Relevant bibliographies by topics / Inverse codes

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Inverse codes'

Author: Grafiati
Published: 28 May 2022
Last updated: 29 May 2022

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Journal articles on the topic "Inverse codes"

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Usha, K. "Generation of Walsh codes in two different orderings using 4-bit Gray and Inverse Gray codes." Indian Journal of Science and Technology 5, no. 3 (2012): 1–5. http://dx.doi.org/10.17485/ijst/2012/v5i3.29.

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Rabin, A. V., S. V. Michurin, and V. A. Lipatnikov. "DEVELOPMENT OF A CLASS OF SYSTEM AND RETURN SYSTEM MATRIXES PROVIDING INCREASE IN NOISE IMMUNITY OF SPECTRALLY EFFECTIVE MODULATION SCHEMES ON BASIS OF ORTHOGONAL CODING." Issues of radio electronics, no. 10 (October 20, 2018): 75–79. http://dx.doi.org/10.21778/2218-5453-2018-10-75-79.

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In work it is proposed in the digital systems of messages transmission for noise immunity's increase with the fixed code rate to use an additional coding called by the authors orthogonal. The way of a definition of orthogonal codes is presented, the synthesis algorithm of system and inverse system matrices of orthogonal codes is developed, and the main parameters of some matrices constructed by the offered algorithm are specified. Orthogonal coding as a special case of convolutional coding is defined by matrices, which elements are polynomials in the delay variable with integer coefficients. Code words are given by multiplication of an information polynomial by a system matrix, and decoding is performed by multiplication by an inverse system matrix. Basic ratios for orthogonal coding are given in article, and properties of system and inverse matrices are specified. Parameters of system and inverse system matrices assure additional gain in signal-to-noise ratio. This gain is got as a result of a more effective use of energy of transmitted signals. For transmission of one symbol energy of several symbols is accumulated.
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Al-Sammak, A. J., and R. S. K. Al-Alawi. "An Encoder for Differential Manchester and Inverse Differential Manchester Line Codes." IEEJ Transactions on Electronics, Information and Systems 125, no. 2 (2005): 379–80. http://dx.doi.org/10.1541/ieejeiss.125.379.

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Négadi, Tidjani. "The Genetic Codes: Mathematical Formulae and an Inverse Symmetry-Information Relationship." Information 8, no. 1 (2016): 6. http://dx.doi.org/10.3390/info8010006.

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Birget, Jean-Camille, and Stuart W. Margolis. "Two-letter group codes that preserve aperiodicity of inverse finite automata." Semigroup Forum 76, no. 1 (2007): 159–68. http://dx.doi.org/10.1007/s00233-007-9024-6.

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Ibáñez, Javier, Jorge Sastre, Pedro Ruiz, José M. Alonso, and Emilio Defez. "An Improved Taylor Algorithm for Computing the Matrix Logarithm." Mathematics 9, no. 17 (2021): 2018. http://dx.doi.org/10.3390/math9172018.

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The most popular method for computing the matrix logarithm is a combination of the inverse scaling and squaring method in conjunction with a Padé approximation, sometimes accompanied by the Schur decomposition. In this work, we present a Taylor series algorithm, based on the free-transformation approach of the inverse scaling and squaring technique, that uses recent matrix polynomial formulas for evaluating the Taylor approximation of the matrix logarithm more efficiently than the Paterson–Stockmeyer method. Two MATLAB implementations of this algorithm, related to relative forward or backward error analysis, were developed and compared with different state-of-the art MATLAB functions. Numerical tests showed that the new implementations are generally more accurate than the previously available codes, with an intermediate execution time among all the codes in comparison.
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Duc-Minh Pham, A. B. Premkumar, and A. S. Madhukumar. "Error Detection and Correction in Communication Channels Using Inverse Gray RSNS Codes." IEEE Transactions on Communications 59, no. 4 (2011): 975–86. http://dx.doi.org/10.1109/tcomm.2011.022811.100092.

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Alabiad, Sami, and Yousef Alkhamees. "Constacyclic Codes over Finite Chain Rings of Characteristic p." Axioms 10, no. 4 (2021): 303. http://dx.doi.org/10.3390/axioms10040303.

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Let R be a finite commutative chain ring of characteristic p with invariants p,r, and k. In this paper, we study λ-constacyclic codes of an arbitrary length N over R, where λ is a unit of R. We first reduce this to investigate constacyclic codes of length ps (N=n1ps,p∤n1) over a certain finite chain ring CR(uk,rb) of characteristic p, which is an extension of R. Then we use discrete Fourier transform (DFT) to construct an isomorphism γ between R[x]/<xN−λ> and a direct sum ⊕b∈IS(rb) of certain local rings, where I is the complete set of representatives of p-cyclotomic cosets modulo n1. By this isomorphism, all codes over R and their dual codes are obtained from the ideals of S(rb). In addition, we determine explicitly the inverse of γ so that the unique polynomial representations of λ-constacyclic codes may be calculated. Finally, for k=2 the exact number of such codes is provided.
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Delfosse, Nicolas, and Naomi H. Nickerson. "Almost-linear time decoding algorithm for topological codes." Quantum 5 (December 2, 2021): 595. http://dx.doi.org/10.22331/q-2021-12-02-595.

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In order to build a large scale quantum computer, one must be able to correct errors extremely fast. We design a fast decoding algorithm for topological codes to correct for Pauli errors and erasure and combination of both errors and erasure. Our algorithm has a worst case complexity of O(nα(n)), where n is the number of physical qubits and α is the inverse of Ackermann's function, which is very slowly growing. For all practical purposes, α(n)≤3. We prove that our algorithm performs optimally for errors of weight up to (d−1)/2 and for loss of up to d−1 qubits, where d is the minimum distance of the code. Numerically, we obtain a threshold of 9.9% for the 2d-toric code with perfect syndrome measurements and 2.6% with faulty measurements.
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Giusti, Chad, and Vladimir Itskov. "A No-Go Theorem for One-Layer Feedforward Networks." Neural Computation 26, no. 11 (2014): 2527–40. http://dx.doi.org/10.1162/neco_a_00657.

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It is often hypothesized that a crucial role for recurrent connections in the brain is to constrain the set of possible response patterns, thereby shaping the neural code. This implies the existence of neural codes that cannot arise solely from feedforward processing. We set out to find such codes in the context of one-layer feedforward networks and identified a large class of combinatorial codes that indeed cannot be shaped by the feedforward architecture alone. However, these codes are difficult to distinguish from codes that share the same sets of maximal activity patterns in the presence of subtractive noise. When we coarsened the notion of combinatorial neural code to keep track of only maximal patterns, we found the surprising result that all such codes can in fact be realized by one-layer feedforward networks. This suggests that recurrent or many-layer feedforward architectures are not necessary for shaping the (coarse) combinatorial features of neural codes. In particular, it is not possible to infer a computational role for recurrent connections from the combinatorics of neural response patterns alone. Our proofs use mathematical tools from classical combinatorial topology, such as the nerve lemma and the existence of an inverse nerve. An unexpected corollary of our main result is that any prescribed (finite) homotopy type can be realized by a subset of the form [Formula: see text], where [Formula: see text] is a polyhedron.
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Dissertations / Theses on the topic "Inverse codes"

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Щербак, А. С. "Система передачі даних на базі інверсних кодів". Master's thesis, Сумський державний університет, 2019. http://essuir.sumdu.edu.ua/handle/123456789/75704.

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Кваліфікаційна робота складається з наступних розділів: Вступ. Огляд літератури та постановка завдання. Науково-дослідна частина. Розробка алгоритму функціонування та структурної схеми системи. Розробка схеми електричної функціональної пристрою. Розробка та розрахунок принципових електричних схем вузлів та блоків пристрою. Техніко-економічна частина. Висновки.
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Karaoglu, Bulent. "A comparison of frequency offset estimation methods in Orthogonal Frequency Division Multiplexing (OFDM) systems." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2004. http://library.nps.navy.mil/uhtbin/hyperion/04Dec%5FKaraoglu.pdf.

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Thesis (M.S. in Electrical Engineering)--Naval Postgraduate School, Dec. 2004.<br>Thesis Advisor(s): Roberto Cristi, Murali Tummala. Includes bibliographical references (p. 45-46). Also available online.
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Gu, Wei. "Robustness against interference in Internet of Things." Thesis, Lille 1, 2012. http://www.theses.fr/2012LIL10195/document.

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L'Internet des objets, plus particulièrement les réseaux de capteurs, a attiré beaucoup d'attention ces dernières années. Sa mise en œuvre soulève de nombreuses difficultés, comme la génération d'interférences d'accès multiple (MAI) à caractère impulsif et la consommation d'énergie relativement forte. Les MAI et le bruit thermique doivent être considérés simultanément car ils perturbent fortement les communications. Nous modélisons les MAI et le bruit thermique respectivement par la distribution stable et gaussienne. Nous étudions tout d’abord l’effet des turbo-codes sur le lien direct en utilisant la norme-p comme métrique de décodage. Cette métrique permet une performance de correction d’erreur proche du décodeur optimal. Ensuite nous nous penchons sur les communications coopératives. A l’aide de l’échantillonnage préférentiel, nous estimons les densités de probabilité de la décision statistique du récepteur optimal en présence des bruits stable et gaussien. Cette approche est coûteuse en calcul. Nous proposons donc d’approximer ces densités de probabilité par la distribution gaussienne inverse normale (NIG). Cette solution de calcul est efficace pour approcher le récepteur optimal. Nous montrons également que le récepteur utilisant la norme-p a des performances robustes, quel que soit le type de bruit dominant. A la fin nous combinons les travaux du codage canal et des communications coopératives pour établir une stratégie de codage canal distribué. Basé sur la qualité du lien direct et le niveau de taux d’erreur binaire envisagé, la stratégie d’économie d’énergie peut être mise en place via le choix d’un schéma de codage canal distribué<br>Internet of Things brought great interests in recent years for its attractive applications and intelligent structure. However, the implementation of sensor networks still presents important challenges such as the generation of Multiple-Access-Interference (MAI) with impulsive nature and the relatively high energy consumption. Both the MAI and the thermal noise should be considered due to their strong impairments each may cause on the communication quality. We employ the stable and Gaussian distributions to model the MAI and the thermal noise respectively. Firstly we study the performance of turbo codes in the direct link and we propose the p-norm as a decoding metric. This metric allows a considerable error correction performance improvement which is close to the optimal decoder. Then we investigate cooperative communications. The probability densities in the decision statistic of the optimal receiver are estimated using importance sampling approach when both the stable and Gaussian noises are present. Such a method is computationally expensive. Hence we develop an approximation approach based on the Normal Inverse Gaussian (NIG) distribution. This solution is efficient for calculation and is proximate to the optimal receiver. In addition we show that the p-norm receiver has robust performance no matter what kind of noise is dominant. At last we combine the channel coding and cooperative communication works to establish a distributed channel coding strategy. Through some simulation assessments, the energy saving strategy can be realized by choosing an appropriate distributed channel coding scheme based on the direct link quality and target bit error rate
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Onsay, Onder. "Hardware Implementation Of Inverse Transform &amp." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/12610976/index.pdf.

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Mobile devices such as PDAs and cellular phones became indispensible part of business and entertainment world. There are a number of applications run on these devices and they tend to increase day by day causing devices tend to consume more battery power. H.264/AVC is an emerging video compression standard that is likely to be used widely in multimedia environments. As a mobile application, video compression algorithm of H.264 standard has a complex structure that increase the power demand of realizing hardware. In order to reduce this power demand, power consuming parts of the algorithm like deblocking filter and transform&amp<br>quantization need to be specifically changed for low power application. A low power deblocking filter and inverse transform/quantization algorithm for H.264/AVC decoder is to be proposed and implemented on FPGA.
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Medd, Adam Jon. "Enhanced inverse design code and development of design strategies for transonic compressor blading." Related electronic resource: Current Research at SU : database of SU dissertations, recent titles available full text, 2002. http://wwwlib.umi.com/cr/syr/main.

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ROMMELAERE, VINCENT. "Trois problèmes inverses en glaciologie." Grenoble 1, 1997. http://www.theses.fr/1997GRE10166.

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Les questions que se pose le glaciologue peuvent souvent etre identifiees a des problemes inverses. C'est ce qui est illustre dans ce travail a travers trois exemples : ? reconstruction des temperatures du passe : nous essayons de combiner l'information donnee par la composition isotopique de la glace et le profil de temperature mesure a vostok (antarctique). Cette approche suggere que le profil de temperature ne permet pas de donner de meilleure estimation de la temperature du dernier stade glaciaire a vostok que le thermometre isotopique classique. ? reconstruction de la composition de l'atmosphere du passe : lors de la transformation de la neige en glace, des bulles d'air de composition voisine de celle de l'atmosphere sont emprisonnees dans la porosite de la glace. Differents processus naturels peuvent alterer la composition de la bulle et l'interpretation des mesures n'est pas immediate. Nous proposons ici une methode de deconvolution du signal atmospherique prenant en compte les phenomenes de diffusion et de gravitation dans le neve polaire. Nous appliquons ensuite cette methode a l'interpretation des mesures de methane, cfcs et rapport isotopique du methane dans le neve et la glace. ? recontruction des proprietes rheologiques de la glace a grande echelle : les ice-shelves (plates-formes de glace flottantes) constituent avec les ice-streams (fleuves de glace) les elements dynamiques de la calotte antarctique. Leur rheologie est un parametre important a prendre en compte pour predire l'evolution de la geometrie de la calotte antarctique. Nous montrons comment retrouver ce parametre critique a partir d'un modele d'ecoulement et de mesures de terrain, puis nous fournissons une carte de viscosite apparente du ross ice shelf (antarctique de l'ouest). Les techniques d'inversion utilisees pour traiter ces problemes sont classiques dans de nombreux domaines de la geophysique, mais elles sont mal connues des glaciologues. En les appliquant sous une forme simplifiee, nous nous sommes efforces de montrer ce qu'elles peuvent apporter a la glaciologie et quelles sont leurs limites.
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Koski, Samuel Robert. "Free Surface Penetration of Inverted Right Circular Cones at Low Froude Number." Thesis, Virginia Tech, 2017. http://hdl.handle.net/10919/77036.

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In this thesis the impact of inverted cones on a liquid surface is studied. It is known that with the right combination of velocity, geometry, and surface treatment, a cavity of air can be formed behind an impacting body and extended for a considerable distance. Other investigators have shown that the time and depth of the cone when this cavity collapses and seals follows a different power law for flat objects such as disks, then it does for slender objects such as cylinders. Intuitively it can be expected that a more slender body will have less drag and that the streamlined shape will not push the fluid out of it's way at impact to the same extent as a more blunt body, therefore forming a smaller cavity behind it. With a smaller initial cavity, the time and depth of it's eventual collapse can be expected to be less than that of a much more blunt object, such as a flat disk. To study this, a numerical model has been developed to simulate cones with the same base radius but different angles impacting on a liquid surface over a range of velocities, showing how the seal depth, time at cavity seal, and drag forces change. In order to ensure the numerical model is accurate, it is compared with experimental data including high speed video and measurements made of the force with time. It is expected that the results will fall inside the power law exponents reported by other authors for very blunt objects such as disks on one end of the spectrum, and long slender cylinders on the other. Furthermore, we expect that the drag force exerted on the cones will become lower as the L/D of the cone is increased.<br>Master of Science
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Jin, Wesley. "Practical, Large-Scale Detection of Obfuscated Malware Code Via Flow Dependency Indexing." Research Showcase @ CMU, 2014. http://repository.cmu.edu/dissertations/389.

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Malware analysts often need to search large corpuses of obfuscated binaries for particular sequences of related instructions. The use of simple tactics, such as dead code insertion and register renaming, prevents the use of conventional, big-data search indexes. Current, state of the art malware detectors are unable to handle the size of the dataset due to their iterative approach to comparing files. Furthermore, current work is also frequently designed to act as a detector and not a search tool. I propose a system that exploits the observation that many data/control-flow relationships between instructions are preserved in the presence of obfuscations. The system will extract chains of flow-dependent instructions from a binary’s Program Dependence Graph (PDG). It will then use a representation of each chain as a key for an index that points to lists of functions (and their corresponding files). Analysts will be able to quickly search for instruction sequences by querying the index.
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Al, Kanale Ahmed. "Investigation of recovery of stellar magnetic field geometries from simulated spectropolarimetric data." Thesis, Uppsala universitet, Institutionen för fysik och astronomi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-316290.

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Powerful remote sensing techniques can covert time variability of polarization profiles of stellar spectral lines into vector magnetic fields maps of stellar surfaces. These techniques are widely applied to interpret observations but have been tested using only simplistic tests. It would be of interest to test magnetic inversion methods using polarization spectra simulated for realistic and physical models of stellar magnetic fields provided by recent 3D numerical simulations. Doppler Imaging is a method to reconstruct vector magnetic field maps of stellar surfaces from variation of polarization profiles. The work in this thesis presents numerical experiments to evaluate the performance of Magnetic Doppler Imaging (MDI) code INVERS10. The numerical experiments showed that in given high-resolution observations in four Stokes parameters, the code is capable of reconstructing magnetic field vector distributions, over the stellar surface, simultaneously and without any prior assumptions about the magnetic field geometry. Input data consists of polarization measurements in the line profiles and the reconstruction is performed by solving the regularized inverse problem. Right results were obtained by testing different type of models covering simple, complex and unusual complex magnetic field distribution. Whilst using incomplete Stokes parameter datasets containing only Stokes I and V profiles, the INVERS10 code was able to reconstruct a global stellar magnetic fields of only simple models and give accurate and reliable results. Testing the code with different inclination and azimuth angle successfully gave the lowest deviation when same values are used from the true map.
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Avansini, Rafael da Silva. "Caminhos inversos : do surrealismo à poética teatral de Alfred Jarry." Universidade Estadual de Londrina. Centro de Letras e Ciências Humanas. Programa de Pós-Graduação em Letras, 2011. http://www.bibliotecadigital.uel.br/document/?code=vtls000165224.

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Este trabalho procura descrever o movimento surrealista e sua implicação, como poética e resultado de uma visão de mundo cujas origens são anteriores ao movimento de 1924. Procura-se demonstrar o que foi o teatro vinculado ao movimento surrealista e sua cisão, principalmente a partir do rompimento entre Artaud e Breton. Verificamos a repercussão de várias poéticas que surgem no teatro do século XX, em especial o caso de Artaud, para, pelo caminho inverso, passando pela ideia de uma teatralidade simbolista (transição do século XIX para o XX) até o naturalismo (segunda metade do século XIX) e o romantismo no começo do século XIX. Para nós, essas correntes estão vinculadas à visão de mundo que tem no surrealismo seu “modo de realização”, sendo comum às poéticas modernas, entre outros elementos, sua tendência à ruptura e o imperativo, sempre recorrente, de uma interação, cada vez mais aproximada à fusão da arte e da vida. Terminamos, inversamente, em nosso ponto de partida: a poética teatral e a visão de mundo de Alfred Jarry. Sua primeira peça (Ubu roi) era chamada pelo próprio autor de “sátira simbolista”, exibindo (e isto continua nas outras peças que se seguem em sua “Gesta ubuesca”) em fins do século XIX, uma densidade e quantidade de identificações com a poética surrealista que demonstram uma antecipação sem par de tal poética no teatro e, consequentemente, de uma teatralidade inauguradora de possibilidades cada vez maiores.<br>Ce travail vise décrire le mouvement surréaliste et ses implications, soit comme une poétique, soit como résultat d"une vision de monde dont les origines sont antérieures au mouvement de 1924. On vise démontrer ce qui a été le théâtre lié au mouvement surréaliste e sa division, principalement à partir de la rupture entre Artaud et Breton. On vérifie la répercussion de plusieurs poétiques dans le théâtre du XXème siècle et après, en particulier le cas d"Artaud, par, en suivant le chemin inverse, en passant par l"idée d"une théâtralité simboliste (transition du XIXème au XXème siècle) jusqu" au naturalisme (deuxième moitié du XIXème siècle) et le romantisme au début du XIXème siècle. À notre avis, ces courants sont vinculées alors à la vision du monde qui a dans le surréalisme son “moyen de réalisation”, étant commun dans les poétiques modernes, d"entre autres éléments, sa tendance à la rupture et l"impératif, toujours réquerante, d"une intéraction, de plus en plus aproximée de la fusion de l"art et de la vie. On termine, inversement, dans notre point de départ: la poétique théâtral et la vision de monde d"Alfred Jarry. Sa première pièce (Ubu roi), était appelée par l"auteur de “satire simboliste”, en montrant (et cela continue dans les pièces suivantes dans sa “Geste ubuesque”), au fin du XIXème siècle, une densité et plusieurs identifications avec la poétique surréaliste que démontrent une antecipation qui n"a pas paires de tel poétique dans le théâtre et, par consequent, d"une théâtralité précursère des possibilitées chaque fois plus grandes.
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Books on the topic "Inverse codes"

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Escudié, Bernard. Des cordes aux ondelettes: L'analyse en temps et en freq́uence avant et apreś Joseph Fourier : un inverseur de l'eq́uation de la chaleur de Fourier : le calorimètre à conduction. Publications de l'Université de Provence, 2001.

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King, Stephen. Night Shift. New American Library, 1986.

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King, Stephen. Night shift. ISIS Large Print, 1994.

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King, Stephen. El umbral de la noche. Plaza y Janés, 2001.

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King, Stephen. Night shift. G.K. Hall, 1994.

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King, Stephen. Night Shift. New English Library, 1986.

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King, Stephen. Night Shift. New American Library, 1990.

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King, Stephen. Night shift. Anchor Books, 2012.

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King, Stephen. Night Shift. Knopf Doubleday Publishing Group, 2008.

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King, Stephen. Night Shift. Anchor Books, 2011.

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Book chapters on the topic "Inverse codes"

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Valibouze, Annick. "Computation of the Galois groups of the resolvent factors for the direct and inverse Galois problems." In Applied Algebra, Algebraic Algorithms and Error-Correcting Codes. Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/3-540-60114-7_36.

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Dulikravich, George S., and Daniel P. Baker. "Using Existing Flow-Field Analysis Codes for Inverse Design of Three-Dimentional Aerodynamic Shapes." In Notes on Numerical Fluid Mechanics (NNFM). Vieweg+Teubner Verlag, 1999. http://dx.doi.org/10.1007/978-3-322-89952-1_5.

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Bernstein, Daniel J., and Tanja Lange. "Inverted Edwards Coordinates." In Applied Algebra, Algebraic Algorithms and Error-Correcting Codes. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-77224-8_4.

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Wojcik, Gregory L. "Very Large-Scale Finite Element Wave Simulations, Inverse Modeling, and “Hardware Coded” Algorithms." In Solution of Superlarge Problems in Computational Mechanics. Springer US, 2011. http://dx.doi.org/10.1007/978-1-4613-0535-4_16.

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Xu, Xiangzhe, Jinhua Wu, Yuting Wang, Zhenguo Yin, and Pengfei Li. "Automatic Generation and Validation of Instruction Encoders and Decoders." In Computer Aided Verification. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-81688-9_34.

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AbstractVerification of instruction encoders and decoders is essential for formalizing manipulation of machine code. The existing approaches cannot guarantee the critical consistency property, i.e., that an encoder and its corresponding decoder are mutual inverses of each other. We observe that consistent encoder-decoder pairs can be automatically derived from bijections inherently embedded in instruction formats. Based on this observation, we develop a framework for writing specifications that capture these bijections, for automatically generating encoders and decoders from these specifications, and for formally validating the consistency and soundness of the generated encoders and decoders by synthesizing proofs in Coq and discharging verification conditions using SMT solvers. We apply this framework to a subset of X86-32 instructions to illustrate its effectiveness in these regards. We also demonstrate that the generated encoders and decoders have reasonable performance.
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Amelung, Nina, Rafaela Granja, and Helena Machado. "Conclusion." In Modes of Bio-Bordering. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-8183-0_9.

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Abstract The concluding chapter reviews and compares the modes of biobordering at the EU level and in Germany, the Netherlands, Poland, Portugal and the UK with a particular focus on the transnational exchange of DNA data within the Prüm system. This analysis reveals the multiplicity of heterogeneous biobordering regimes that enact different visions of Europe and nationhood and that have implications for de facto hidden integration and disintegration processes in the EU. ‘European integration’ is believed to be achievable by the harmonization of scientific and technical procedures in different countries. However, the mandatory elements of the Prüm Decisions were politically enforced without taking into consideration the significant differences between EU countries. Thus, hidden disintegration comes as a contingency regarding operational and organizational traditions, legislation, the nature of the criminal justice system, and national variations around the human and economic resources to invest in forensic DNA databases and DNA profiling technologies. The conclusion ends with a proposal of a typology systematizing biobordering dynamics derived from the empirical case studies.
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Saenton, S., and T. H. Illangasekare. "Determination of DNAPL entrapment architecture using experimentally validated numerical codes and inverse modeling." In Computational Methods in Water Resources: Volume 1. Elsevier, 2004. http://dx.doi.org/10.1016/s0167-5648(04)80098-4.

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"- And-Inverter Cones." In Reconfigurable Logic. CRC Press, 2018. http://dx.doi.org/10.1201/b19388-12.

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Geethanjali, D., R. Priya, and R. Bhavani. "Blockchain-Based Protected Digital Copyright Management with Digital Watermarking." In Intelligent Systems and Computer Technology. IOS Press, 2020. http://dx.doi.org/10.3233/apc200113.

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In the digital era, more and more information is shared through the internet. This may lead to editing, transmitting, misusing detection and usage of information by unauthorized persons. To avoid such a problem we use the digital right management (DRM) with blockchain. In our daily life, blockchain is a powerful utensil to share the data in decentralized and distributed technology. The DRM process provides security and authentication for the content and owner of the data. In our proposed system, the following steps have been implemented Watermark Embedding with Discrete Wavelet Transform (DWT), Arnold Transform (AT), Perceptual Hash, Hash Code generation (md5), Watermark Extraction and Blockchain Creation. Discrete Wavelet Transform provides better image quality and robustness. Arnold Transform provides the best watermark encryption. The hash code generation gives a numeric value which helps in the recognizable proof of a ediget during equality testing. Blockchain is used to store the information in a secured manner and also provide timestamp authentication. Watermark extraction is achieved with the inverse of Arnold transform, inverse Discrete Wavelet Transform with the matching of hash code. This system provides secure transactions with copyright-protected data and safe transparent management.
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Toro, María Victoria. "Evolutionary Lagrangian Inverse Modeling for PM10 Pollutant Dispersion." In Soft Computing Methods for Practical Environment Solutions. IGI Global, 2010. http://dx.doi.org/10.4018/978-1-61520-893-7.ch018.

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One of the main concerns when it comes to mitigating the effects of the concentration of the particulate matter PMx in an area of study is the fact to determine its behavior over time, overcoming both physical and mathematical limitations in terms of a phenomenon of dispersion. Therefore, this chapter develops and analyzes a model based on the principles of evolutionary computation (EC) in order to determine the space-time behavior of the concentration of the particulate matter PMx in a study area. The proposed model has three submodels within an integrated solution, which constitute the individual to evolve. The transformation of the possible solutions or generational population is made by using an asynchronous evolutionary model, due to genetic dependency between substructures. The proposed model was validated for configurations of n sources of emissions and m monitoring stations that measure the quality of the air in a study area.
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Conference papers on the topic "Inverse codes"

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Sakzad, Amin, Daniel Panario, Mohammad-Reza Sadeghi, and Nasim Eshghi. "Self-inverse interleavers based on permutation functions for turbo codes." In 2010 48th Annual Allerton Conference on Communication, Control, and Computing (Allerton). IEEE, 2010. http://dx.doi.org/10.1109/allerton.2010.5706883.

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Naik, D., S. Krist, R. Campbell, V. Vatsa, P. Buning, and L. Gea. "Inverse design of nacelles using multi-block Navier Stokes codes." In 13th Applied Aerodynamics Conference. American Institute of Aeronautics and Astronautics, 1995. http://dx.doi.org/10.2514/6.1995-1820.

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Chinni, Chaitanya, Abhishek Kulkami, Dheeraj MPai, Kaushik Mitra, and Pradeep K. Sarvepalli. "Neural Decoder for Topological Codes using Pseudo-Inverse of Parity Check Matrix." In 2019 IEEE Information Theory Workshop (ITW). IEEE, 2019. http://dx.doi.org/10.1109/itw44776.2019.8989133.

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Takase, Hiroshi, and Masanori Shinriki. "Pulse compression for binary codes using spectrum inverse filters and their properties." In 2017 18th International Radar Symposium (IRS). IEEE, 2017. http://dx.doi.org/10.23919/irs.2017.8008242.

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Wang, Zhengming, Bangxian Wu, and Wu Zhang. "An Improved Method for Aerodynamic Design of Centrifugal Impeller Blades." In ASME 1991 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1991. http://dx.doi.org/10.1115/91-gt-076.

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Based on the “General Theory of Three-Dimensional Flow in Turbomachines”, an improved method for designing centrifugal impeller blades has been developed. The design procedure is performed with the help of the combination of an S2 inverse problem code, a code for generating a profile on a revolution surface by a two-step series expansion and the codes of S1 direct and inverse problems. After the calculation of the inverse problem on the S2 stream surface is completed, a special series expansion method is used for obtaining a preliminary blade profile, then the relative flow field is predicted by the S1 direct code and is improved by the S1 inverse code. The method is favourable for smoothing the velocity distribution on the blade surface, eliminating the separation bubble and raising the efficiency of the impeller. The present method has been successfuly applied to improving the design of a centrifugal impeller.
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Matsui, Hajime, and Seiichi Mita. "Inverse-Free Implementation of Berlekamp-Massey-Sakata Algorithm for Decoding Codes on Algebraic Curves." In 2006 IEEE International Symposium on Information Theory. IEEE, 2006. http://dx.doi.org/10.1109/isit.2006.261967.

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Vehkalahti, Roope, Laura Luzzi, and Jean-Claude Belfiore. "Shifted inverse determinant sums and new bounds for the DMT of space-time lattice codes." In 2014 IEEE International Symposium on Information Theory (ISIT). IEEE, 2014. http://dx.doi.org/10.1109/isit.2014.6875250.

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Xueqin Jiang and Moon Ho Lee. "A new class of non-binary LDPC codes design based on inverse block jacket matrices." In IET Conference on Wireless, Mobile and Sensor Networks 2007 (CCWMSN07). IEE, 2007. http://dx.doi.org/10.1049/cp:20070308.

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"QR Codes on Curved Media Facades - Two Approaches for Inverse Distortion based on Raytracing and Image Warping." In International Conference on Computer Graphics Theory and Applications. SCITEPRESS - Science and and Technology Publications, 2014. http://dx.doi.org/10.5220/0004655904240429.

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Zangeneh, Mehrdad, Fred Mendonça, Youngwon Hahn, and Jack Cofer. "3D Multi-Disciplinary Inverse Design Based Optimization of a Centrifugal Compressor Impeller." In ASME Turbo Expo 2014: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/gt2014-26961.

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Design of centrifugal compressors in different applications from industrial to turbochargers to aeroengine is subject to difficult multi-disciplinary ( aerodynamics and mechanical) and multipoint/multi-objective requirements. These multi-disciplinary and multi-point requirements have to be met by iterations between aerodynamics and mechanical design, leading to long development times and bottlenecks in the design process. In this paper, for the first time, a commercially available solution, compatible with industrial development times, is presented for 3D multi-disciplinary and multi-point design optimisation of turbomachinery blades. The methodology combines 3D inverse design method, automatic optimizers, 3D CFD and 3D FEA codes. The key aspect of the approach is to parameterise the 3D geometry through the blade loading distribution used in 3D inverse design code TURBOdesign1, which results in ability to access large part of design space with very few design parameters. The Design of Experiments method is used to generate a number of geometries which are then analysed by 3D CFD code STAR-CCM+ and 3D FEA code Abaqus. Different performance parameters related to aerodynamics (efficiency, stable operating range etc) and structural integrity (maximum principal stress, etc) are then evaluated. The data is then used to create a response surface. The validity and accuracy of the response surface is evaluated by CFD and FEA and then once confirmed a Multi-objective Genetic Algorithm is run on the response surface to explore the trade-offs between different design parameters, such as peak efficiency, stable operating range and mechanical stress. In this paper the methodology is applied to the redesign of the well-known Eckardt centrifugal compressor impeller.
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Reports on the topic "Inverse codes"

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Hale, A., and A. King. Inverse scattering code. Office of Scientific and Technical Information (OSTI), 1997. http://dx.doi.org/10.2172/537376.

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Hirshman, S. P., and J. T. Hogan. ORMEC: a three-dimensional MHD spectral inverse equilibrium code. Office of Scientific and Technical Information (OSTI), 1986. http://dx.doi.org/10.2172/6218663.

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Lutz, Carsten, Ulrike Sattler, and Lidia Tendera. The Complexity of Finite Model Reasoning in Description Logics. Technische Universität Dresden, 2002. http://dx.doi.org/10.25368/2022.123.

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We analyze the complexity of finite model reasoning in the description logic ALCQI, i.e. ALC augmented with qualifying number restrictions, inverse roles, and general TBoxes. It turns out that all relevant reasoning tasks such as concept satisfiability and ABox consistency are EXPTIME-complete, regardless of whether the numbers in number restrictions are coded unarily or binarily. Thus, finite model reasoning with ALCQI is not harder than standard reasoning with ALCQI.
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Rintoul, Mark Daniel, Elebeoba Eni May, William Michael Brown, Anna Marie Johnston, and Jean-Paul Watson. Deciphering the genetic regulatory code using an inverse error control coding framework. Office of Scientific and Technical Information (OSTI), 2005. http://dx.doi.org/10.2172/922758.

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Davis, Jean-Paul. User manual for INVICE 0.1-beta : a computer code for inverse analysis of isentropic compression experiments. Office of Scientific and Technical Information (OSTI), 2005. http://dx.doi.org/10.2172/958375.

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Jury, William A., and David Russo. Characterization of Field-Scale Solute Transport in Spatially Variable Unsaturated Field Soils. United States Department of Agriculture, 1994. http://dx.doi.org/10.32747/1994.7568772.bard.

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This report describes activity conducted in several lines of research associated with field-scale water and solute processes. A major effort was put forth developing a stochastic continuum analysis for an important class of problems involving flow of reactive and non reactive chemicals under steady unsaturated flow. The field-scale velocity covariance tensor has been derived from local soil properties and their variability, producing a large-scale description of the medium that embodies all of the local variability in a statistical sense. Special cases of anisotropic medium properties not aligned along the flow direction of spatially variable solute sorption were analysed in detail, revealing a dependence of solute spreading on subtle features of the variability of the medium, such as cross-correlations between sorption and conductivity. A novel method was developed and tested for measuring hydraulic conductivity at the scale of observation through the interpretation of a solute transport outflow curve as a stochastic-convective process. This undertaking provided a host of new K(q) relationships for existing solute experiments and also laid the foundation for future work developing a self-consistent description of flow and transport under these conditions. Numerical codes were developed for calculating K(q) functions for a variety of solute pulse outflow shapes, including lognormal, Fickian, Mobile-Immobile water, and bimodal. Testing of this new approach against conventional methodology was mixed, and agreed most closely when the assumptions of the new method were met. We conclude that this procedure offers a valuable alternative to conventional methods of measuring K(q), particularly when the application of the method is at a scale (e.g. and agricultural field) that is large compared to the common scale at which conventional K(q) devices operate. The same problem was approached from a numerical perspective, by studying the feasibility of inverting a solute outflow signal to yield the hydraulic parameters of the medium that housed the experiment. We found that the inverse problem was solvable under certain conditions, depending on the amount of noise in the signal and the degree of heterogeneity in the medium. A realistic three dimensional model of transient water and solute movement in a heterogeneous medium that contains plant roots was developed and tested. The approach taken was to generate a single realization of this complex flow event, and examine the results to see whether features were present that might be overlooked in less sophisticated model efforts. One such feature revealed is transverse dispersion, which is a critically important component in the development of macrodispersion in the longitudinal direction. The lateral mixing that was observed greatly exceeded that predicted from simpler approaches, suggesting that at least part of the important physics of the mixing process is embedded in the complexity of three dimensional flow. Another important finding was the observation that variability can produce a pseudo-kinetic behavior for solute adsorption, even when the local models used are equilibrium.
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Bennett, Alan B., Arthur Schaffer, and David Granot. Genetic and Biochemical Characterization of Fructose Accumulation: A Strategy to Improve Fruit Quality. United States Department of Agriculture, 2000. http://dx.doi.org/10.32747/2000.7571353.bard.

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The goal of the research project was to evaluate the potential to genetically modify or engineer carbohydrate metabolism in tomato fruit to enhance levels of fructose, a sugar with nearly twice the sweetness value of other sugars. The specific research objectives to achieve that goal were to: 1. Establish the inheritance of a fructose-accumulating trait identified in F1 hybrids of an inferspecific cross between L. hirsutum XL. esculentum and identify linked molecular markers to facilitate its introgression into tomato cultivars. This objective was completed with the genetic data indicating a single major gene, termed Fgr (Fructose glucose ratio), that controlled the partitioning of hexose in the mature fruit. Molecular markers for the gene, were developed to aid introgression of this gene into cultivated tomato. In addition, a second major gene encoding fructokinase 2 (FK2) was found to be a determinant of the fructose to glucose ratio in fruit. The relationship between FK2 and Fgr is epistatic with a combined synergistic effect of the two hirsutum-derived genes on fructose/glucose ratios. 2. Characterize the metabolic and transport properties responsible for high fructose/glucose ratios in fructose-accumulating genotypes. The effect of both the Fgr and FK2 genes on the developmental accumulation of hexoses was studied in a wide range of genetic backgrounds. In all backgrounds the trait is a developmental one and that the increase in fructose to glucose ratio occurs at the breaker stage of fruit development. The following enzymes were assayed, none of which showed differences between genotypes, at either the breaker or ripe stage: invertase, sucrose synthase, FK1, FK2, hexokinase, PGI and PGM. The lack of effect of the FK2 gene on fructokinase activity is surprising and at present we have no explanation for the phenomenon. However, the hirsutum derived Fgr allele was associated with significantly lower levels of phosphorylated glucose, G1c-1-P and G1c-6-P and concomitantly higher levels of the phosphorylated fructose, Fru-6-P, in both the breaker and ripe stage. This suggests a significant role for the isomerase reaction. 3. Develop and implement molecular genetic strategies for the production of transgenic plants with altered levels of enzymes that potentially control fructose/glucose ratios in fruit. This objective focused on manipulating hexokinase and fructokinase expression in transgenic plants. Two highly divergent cDNA clones (Frk1 and Frk2), encoding fructokinase (EC 2.7.1.4), were isolated from tomato (Lycopersicon esculentum) and a potato fructokinase cDNA clone was obtained from Dr. Howard Davies. Following expression in yeast, each fructokinase was identified to code for one of the tomato or potato fructokinase isoforms Transgenic tomato plants were generated with the fructokinase cDNA clone in both sense and antisense orientations and the effect of the gene on tomato plants is currently being studied.
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Documentation of UCODE; a computer code for universal inverse modeling. US Geological Survey, 1998. http://dx.doi.org/10.3133/wri984080.

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Methods and guidelines for effective model calibration; with application to UCODE, a computer code for universal inverse modeling, and MODFLOWP, a computer code for inverse modeling with MODFLOW. US Geological Survey, 1998. http://dx.doi.org/10.3133/wri984005.

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