Academic literature on the topic 'Redundant numbers'

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Journal articles on the topic "Redundant numbers"

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Cater. "REAL NUMBERS WITH REDUNDANT REPRESENTATIONS." Real Analysis Exchange 17, no. 1 (1991): 282. http://dx.doi.org/10.2307/44152208.

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Kumar Saxena, Rakesh, Neelam Sharma, and A. K. Wadhwani. "Fast Adder Design using Redundant Binary Numbers with Reduced Chip Complexity." International Journal of Engineering and Technology 3, no. 3 (2011): 274–78. http://dx.doi.org/10.7763/ijet.2011.v3.237.

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De, Mallika, and Bhabani P. Sinha. "Fast Parallel Multiplication Using Redundant Quarternary Number System." Parallel Processing Letters 07, no. 01 (1997): 13–23. http://dx.doi.org/10.1142/s0129626497000048.

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In this paper, we propose a high-speed VLSI multiplication scheme using redundant radix-4 representation of numbers. For m-digit by m-digit redundant radix-4 integer multiplication, we first generate m partial products, each of (m+1) digits in redundant radix-4 (RR-4) number system. These partial products are then added up four at a time by means of redundant quarternary adders. Parallel addition of four (m+1)-digit redundant radix-4 numbers can be performed in a constant time independent of m without any carry propagation. With these adders, multiplication of two m-digit numbers in RR-4 numbe
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Takayanagi, Sumiko, Norman Cliff, and Penny L. Fidler. "Redundant Leading and following Zeros in Comparative Numerical Judgment." Perceptual and Motor Skills 80, no. 3 (1995): 819–29. http://dx.doi.org/10.2466/pms.1995.80.3.819.

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The objective was to provide a more comprehensive understanding of how people make numerical comparative judgments when digits are contained in numbers with redundant leading or following zeros, e.g., 00080 and 800.000. These sequences of numbers often appear on computer display terminals (VDT) as line numbers, but surprisingly little research has been done on this. The experiment manipulated three aspects of numerical stimuli: (1) redundant leading zeros, (2) redundant following zeros, and (3) length of string of digits. The subjects were to push one of the two button-switches to respond whet
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RAJASHEKHARA, T. N., and O. KAL. "Fast multiplier design using redundant signed-digit numbers." International Journal of Electronics 69, no. 3 (1990): 359–68. http://dx.doi.org/10.1080/00207219008920321.

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Duprat, J., Y. Herreros, and S. Kla. "New redundant representations of complex numbers and vectors." IEEE Transactions on Computers 42, no. 7 (1993): 817–24. http://dx.doi.org/10.1109/12.237722.

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Bhattacharya, Debasis, and Soma Roychowdhury. "On constrained reliability maximization using active redundancy in coherent systems with non-overlapping subsystems." An International Journal of Optimization and Control: Theories & Applications (IJOCTA) 5, no. 1 (2014): 33–39. http://dx.doi.org/10.11121/ijocta.01.2015.00205.

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The paper investigates a problem of constrained reliability maximization by allocating redundancy and proposes how to solve it for a broad group of complex coherent systems. Redundancy is an effective engineering tool to enhance system reliability to make a system fail-safe. Since adding redundancy increases the cost and complexity of a system design, it should be used wisely. The work considers an exact solution to the problem under resource constraints and finds optimal redundancy numbers. The proposed method can accommodate any number of constraints. Numerical examples have been included. A
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Jaberipur, Ghassem, and Behrooz Parhami. "Constant-time addition with hybrid-redundant numbers: Theory and implementations." Integration 41, no. 1 (2008): 49–64. http://dx.doi.org/10.1016/j.vlsi.2007.01.002.

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Selianinau, Mikhail, and Bożena Woźna-Szcześniak. "An Efficient Implementation of Montgomery Modular Multiplication Using a Minimally Redundant Residue Number System." Applied Sciences 15, no. 10 (2025): 5332. https://doi.org/10.3390/app15105332.

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This paper presents an implementation of modular multiplication based on Montgomery’s scheme within the Residue Number System (RNS). The key innovation of the proposed approach lies in utilizing minimally redundant residue arithmetic, where the rank of a number serves as the primary positional characteristic of the residue code. Additionally, integer numbers are represented in rank form during base extension operations. Due to the low computational complexity of rank calculation in minimally redundant RNS and the specific constraints imposed on the RNS moduli sets, the proposed modular multipl
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Deng, Lin, and Jeff Offutt. "Experimental Evaluation of Redundancy in Android Mutation Testing." International Journal of Software Engineering and Knowledge Engineering 28, no. 11n12 (2018): 1597–618. http://dx.doi.org/10.1142/s0218194018400193.

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Because of the widespread usage of Android devices, the Android ecosystem has the highest numbers of users, developers, and app downloads. Researchers find that many Android apps are not sufficiently tested, which may lead to crashes, incorrect behaviors, and security vulnerabilities. Mutation testing is a syntax-based software testing technique that is very effective at designing high-quality tests and evaluating pre-existing tests. Our prior research designed and implemented Android mutation testing technique, and then used experiments to assess its strength. However, the high computational
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Dissertations / Theses on the topic "Redundant numbers"

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Al-Hasani, Firas Ali Jawad. "Multiple Constant Multiplication Optimization Using Common Subexpression Elimination and Redundant Numbers." Thesis, University of Canterbury. Electrical and Computer Engineering, 2014. http://hdl.handle.net/10092/9054.

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The multiple constant multiplication (MCM) operation is a fundamental operation in digital signal processing (DSP) and digital image processing (DIP). Examples of the MCM are in finite impulse response (FIR) and infinite impulse response (IIR) filters, matrix multiplication, and transforms. The aim of this work is minimizing the complexity of the MCM operation using common subexpression elimination (CSE) technique and redundant number representations. The CSE technique searches and eliminates common digit patterns (subexpressions) among MCM coefficients. More common subexpressions can be found
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Ozturk, Erdinc. "Low Power Elliptic Curve Cryptography." Digital WPI, 2005. https://digitalcommons.wpi.edu/etd-theses/691.

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This M.S. thesis introduces new modulus scaling techniques for transforming a class of primes into special forms which enable efficient arithmetic. The scaling technique may be used to improve multiplication and inversion in finite fields. We present an efficient inversion algorithm that utilizes the structure of a scaled modulus. Our inversion algorithm exhibits superior performance to the Euclidean algorithm and lends itself to efficient hardware implementation due to its simplicity. Using the scaled modulus technique and our specialized inversion algorithm we develop an elliptic curve proce
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Sengupta, Avik. "Redundant residue number system based space-time block codes." Thesis, Kansas State University, 2012. http://hdl.handle.net/2097/14111.

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Master of Science<br>Department of Electrical and Computer Engineering<br>Balasubramaniam Natarajan<br>Space-time coding (STC) schemes for Multiple Input Multiple Output (MIMO) systems have been an area of active research in the past decade. In this thesis, we propose a novel design of Space-Time Block Codes (STBCs) using Redundant Residue Number System (RRNS) codes, which are ideal for high data rate communication systems. Application of RRNS as a concatenated STC scheme to a MIMO wireless communication system is the main motivation for this work. We have optimized the link between resid
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Kamp, William Hermanus Michael. "Redundant Number Systems for Optimising Digital Signal Processing Performance in Field Programmable Gate Array." Thesis, University of Canterbury. Electrical and Computer Engineering, 2010. http://hdl.handle.net/10092/4623.

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Speeding up addition is the key to faster digital signal processing (DSP). This can be achieved by exploiting the properties of redundant number systems. Their expanded symbol (digit) alphabet gives them multiple representations for most values. Utilising redundant representations at the output of an adder permits addition to be performed without carry-propagation, yielding fast, constant time performance irrespective of the word length. A resource efficient implementation of this fast adder structure is developed that re-purposes the fast carry logic of low-cost field programmable gate array
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Neuhäuser, David [Verfasser], Eberhard [Akademischer Betreuer] Zehendner, Werner [Akademischer Betreuer] Erhard, and Dietmar [Akademischer Betreuer] Fey. "Design and evaluation of computer arithemetic based on carry-save and signed-digit redundant number representations / David Neuhäuser. Gutachter: Eberhard Zehendner ; Werner Erhard ; Dietmar Fey." Jena : Thüringer Universitäts- und Landesbibliothek Jena, 2012. http://d-nb.info/1024079899/34.

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PICOZZI, MARTA ANNA ELENA. "Ordinal knowledge and spatial coding of continuous and discrete quantities in infancy." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2010. http://hdl.handle.net/10281/7794.

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An important issue in human cognition concerns the origins and nature of the capacity to represent number. A great deal of research has focused on infants’ comprehension of the cardinal properties of number but another essential component of the concept of number is ordinality, which refers to the inherent “greater than” or “less than” relationships between numbers. Until recently, the development of this aspect of human numerical cognition in infancy had received little attention. while little is know. The aim of the current series of studies was to investigate whether the ability to appreci
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Lê, Ngoc C. "Algorithms for the Maximum Independent Set Problem." Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola", 2015. http://nbn-resolving.de/urn:nbn:de:bsz:105-qucosa-172639.

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This thesis focuses mainly on the Maximum Independent Set (MIS) problem. Some related graph theoretical combinatorial problems are also considered. As these problems are generally NP-hard, we study their complexity in hereditary graph classes, i.e. graph classes defined by a set F of forbidden induced subgraphs. We revise the literature about the issue, for example complexity results, applications, and techniques tackling the problem. Through considering some general approach, we exhibit several cases where the problem admits a polynomial-time solution. More specifically, we present polynomial
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Сорокун, Антон Дмитрович, Антон Дмитриевич Сорокун та Anton Sorokun. "Метод зниження бітового об’єму відеознімків для підвищення якості відеосервісу з використанням інфокомунікаційних систем". Thesis, Національний авіаційний університет, 2020. https://er.nau.edu.ua/handle/NAU/44155.

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Дисертація на здобуття наукового ступеня кандидата технічних наук за спеціальністю 05.12.02 – телекомунікаційні системи і мережі. – Національний авіаційний університет, Київ, 2020. Дисертаційна робота присвячена рішенню актуальної науковоприкладної задачі, яка полягає в зниженні часових затримок на доставку відеоданих з використанням інформаційно-комунікаційних технологій для підвищення якості відеосервісів. Обґрунтовано, що зберігається дисбаланс між можливостями сучасних ІКС щодо швидкості передачі даних і зростанням потреб щодо надання високоякісних відеосервісів у реальному часі з викори
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Rocha, Eugénio Alexandre Miguel. "Uma Abordagem Algébrica à Teoria de Controlo Não Linear." Doctoral thesis, Universidade de Aveiro, 2003. http://hdl.handle.net/10773/21444.

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Doutoramento em Matemática<br>Nesta tese de Doutoramento desenvolve-se principalmente uma abordagem algébrica à teoria de sistemas de controlo não lineares. No entanto, outros tópicos são também estudados. Os tópicos tratados são os seguidamente enunciados: fórmulas para sistemas de controlo sobre álgebras de Lie livres, estabilidade de um sistema de corpos rolantes, algoritmos para aritmética digital, e equações integrais de Fredholm não lineares. No primeiro e principal tópico estudam-se representações para as soluções de sistemas de controlo lineares no controlo. As suas trajetórias
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Hacine-Gharbi, Abdenour. "Sélection de paramètres acoustiques pertinents pour la reconnaissance de la parole." Phd thesis, Université d'Orléans, 2012. http://tel.archives-ouvertes.fr/tel-00843652.

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L'objectif de cette thèse est de proposer des solutions et améliorations de performance à certains problèmes de sélection des paramètres acoustiques pertinents dans le cadre de la reconnaissance de la parole. Ainsi, notre première contribution consiste à proposer une nouvelle méthode de sélection de paramètres pertinents fondée sur un développement exact de la redondance entre une caractéristique et les caractéristiques précédemment sélectionnées par un algorithme de recherche séquentielle ascendante. Le problème de l'estimation des densités de probabilités d'ordre supérieur est résolu par la
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Books on the topic "Redundant numbers"

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Busacca, Maurizio, and Roberto Paladini. Collaboration Age. Fondazione Università Ca’ Foscari, 2020. http://dx.doi.org/10.30687/978-88-6969-424-0.

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Recently, public policies of urban regeneration have intensified and multiplied. They are being promoted with the aim to start social and economic dynamics within the local context which is subject to intervention. From the empirical analysis, we realise that such activities are mainly implemented by three subjects or by mixed coalitions (public institutions, actors of the third sector and companies). Within them, each player is moved by a multiplicity of interests and goals that go beyond their own nature – public interest, market and mutualism – and tend to redefine themselves, thus becoming
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Millington, Colin. Redundancy in Fibonacci Numbers: A Thought Experiment. Independently Published, 2021.

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Redundancy in Fibonacci Numbers: A Thought Experiment. Independently Published, 2021.

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Martin, Jeffrey J. Doing Research. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190638054.003.0005.

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Researchers have to consider a host of factors when planning their research and analyzing their data. This chapter discusses a number of important research considerations. For instance, when planning research it is important to have a large enough sample to prevent conducting an underpowered study that would be unable to detect true differences when they existed. When selecting measures, researchers should understand exactly what they are assessing and determine if the scales used have a history of producing valid and reliable scores with similar samples. When developing measures, researchers
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Aikhenvald, Alexandra Y. A Guide to Gender and Classifiers. Oxford University PressOxford, 2025. https://doi.org/10.1093/oso/9780198863601.001.0001.

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Abstract Almost all languages of the world have noun categorization devices in their grammar. The most widespread is linguistic gender—grammatical classes of nouns based on core semantic properties such as sex (female and male), animacy, humanness, and also shape and size. Numeral classifiers categorize the noun in terms of its inherent nature, animacy, shape and form, and occur next to a numeral or a quantifier. Further types include noun classifiers, possessive classifiers, verbal classifiers, and a number of rarer types (locative and deictic classifiers). Gender and various types of classif
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Birch, Jonathan. The Multicellular Organism as a Social Phenomenon. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198733058.003.0007.

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As Hamilton observed, the stability of cooperation within clonal groups of cells is no mystery, since the cells’ inclusive fitness interests are aligned. However, the process of social group transformation, by means of which a social group of cells is transformed into a multicellular individual with a division of labour among multiple cell types, remains mysterious. In both multicellular organisms and eusocial insects, group size and the number of specialized types are closely linked. As Bourke has argued, positive feedback is likely to be crucial in explaining the relationship between size an
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Beere, Carole A. Gender Roles. Greenwood Press, Inc., 1990. http://dx.doi.org/10.5040/9798400655937.

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Beere has produced a new edition of her Women and Women's Issues: A Handbook of Tests and Measurements. Based largely on a search of the PsychLIT and ERIC databases from January 1978 to December 1988, the volume includes information on 211 tests and measures pertaining to gender roles and attitudes towards gender. . . . Particularly useful are chapter reviews of the literature in which the author reviews the quality of available research. Recommended for college and university libraries. Choice This handbook stems, in part, from the author's previously published Women and Women's Issues. Reali
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Book chapters on the topic "Redundant numbers"

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Liew, T. H., L. L. Yang, and L. Hanzo. "Redundant Residue Number System Codes." In Turbo Coding, Turbo Equalisation and Space-Time Coding. John Wiley & Sons, Ltd, 2004. http://dx.doi.org/10.1002/047085474x.ch8.

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Jaberipur, G. "Redundant Number System-Based Arithmetic Circuits." In Arithmetic Circuits for DSP Applications. John Wiley & Sons, Inc., 2017. http://dx.doi.org/10.1002/9781119206804.ch8.

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Han, Seon Kyoung, Yong Dae Kim, and Young Gap You. "SRT Division Based on Redundant Signed Number." In Key Engineering Materials. Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-958-x.337.

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Odaira, Rei, and Kei Hiraki. "Partial Value Number Redundancy Elimination." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/11532378_29.

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Tay, Thian Fatt, and Chip-Hong Chang. "Fault-Tolerant Computing in Redundant Residue Number System." In Embedded Systems Design with Special Arithmetic and Number Systems. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-49742-6_4.

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De Biase, Giuseppe A., and Annalisa Massini. "Parallel Arithmetic on Optical Computers by Redundant Binary Number Representations." In Applications of Photonic Technology. Springer US, 1995. http://dx.doi.org/10.1007/978-1-4757-9247-8_20.

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He, Yajuan, Jiaxing Yang, and Chip-Hong Chang. "Design and Evaluation of Booth-Encoded Multipliers in Redundant Binary Representation." In Embedded Systems Design with Special Arithmetic and Number Systems. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-49742-6_6.

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Srivastava, Ajeet Kumar, Krishna Raj, and Alok Kumar. "Design and Analysis of CIC Decimation Filter Using Redundant Number System." In VLSI, Communication and Signal Processing. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-0973-5_56.

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Ebbinghaus, Marcel, Dominik Klumpp, and Andreas Podelski. "Counterexample-Guided Commutativity." In Lecture Notes in Computer Science. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-98682-6_18.

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Abstract We consider the use of commutativity-based reduction for the algorithmic verification of concurrent programs. In existing work, the commutativity relation used for the reduction is mostly fixed statically. In this paper, we propose a demand-driven approach to compute the commutativity relation. The approach can be viewed as the direct analogue of the CEGAR approach which uses counterexamples to guide the incremental refinement of the abstraction. Instead of eliminating a counterexample by proving it infeasible and refining the abstraction, we can eliminate a counterexample by proving
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Gapochkin, A. V. "Using Redundant Modular Codes of the Residual Number System for Error Detection and Correction." In Lecture Notes in Electrical Engineering. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-71119-1_64.

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Conference papers on the topic "Redundant numbers"

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Mousavi, Soudabeh, Dara Rahmati, Saeid Gorgin, and Jeong-A. Lee. "Enhancing Efficiency in Computational Intensive Domains via Redundant Residue Number Systems." In 2024 21st International SoC Design Conference (ISOCC). IEEE, 2024. http://dx.doi.org/10.1109/isocc62682.2024.10762680.

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Rosen, B. K., M. N. Wegman, and F. K. Zadeck. "Global value numbers and redundant computations." In the 15th ACM SIGPLAN-SIGACT symposium. ACM Press, 1988. http://dx.doi.org/10.1145/73560.73562.

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Kim, ChiHyo, KunWoo Park, TaeSung Kim, and MinKi Lee. "Design of a Four Legged Parallel Mechanism to Improve the Dexterity of Walking Robot." In ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/detc2009-86361.

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This paper designs a four legged parallel mechanism to improve the dexterity of three layered parallel walking robot. Topology design is conducted for a leg mechanism composed of four legs, base and ground, which constitute a redundant parallel mechanism. This mechanism is subdivided into four sub-mechanism composed of three legs. A motor vector is adopted to determine the 6×8 Jacobian of the redundant parallel mechanism and the 6×6 Jacobian of the sub-mechanisms, respectively. The condition number of the Jacobian matrix is used as an index to measure a dexterity. We analyze the condition numb
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Alam, M. S. "Recoded trinary arithmetic using optical symbolic substitution." In OSA Annual Meeting. Optica Publishing Group, 1993. http://dx.doi.org/10.1364/oam.1993.mzz.8.

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The problems of achieving parallel arithmetic has been investigated by many authors using residue number system, modified-signed digit (MSD) number system and recoded MSD systems.1,2 Using residue arithmetic, one can perform parallel arithmetic in constant time using symbolic substitution (SS), but the size of the truth table required increases rapidly with the increase of the operand length. The MSD representation has been widely studied for implementing parallel optical arithmetic. Recently, we proposed a higher-order MSD technique2 for parallel arithmetic using SS. This technique2 performs
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Kong, Xianwen, and Clément M. Gosselin. "Classification of 6-SPS Parallel Manipulators According to Their Components." In ASME 2000 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/detc2000/mech-14105.

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Abstract The complexity of the forward displacement analysis (FDA) of 6-SPS parallel manipulators1 varies to a great extent with the change of their geometric parameters. This paper presents a classification of the 6-SPS parallel manipulators according to their components. At first, we give the components for the 6-SPS parallel manipulator. A component refers to a part of the 6-SPS kinematic chain in which the number of actuators is equivalent to the degree of freedom. In addition to the commonly used rigid bodies, points and (straight) lines are also taken as elements of the components. Type
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Khademolhosseini, Hossein, and Arman Roohi. "A new redundant method on representing numbers with moduli set {3n, 3n −1, 3n −2}." In 2011 International Conference on Computer, Communication and Electrical Technology (ICCCET). IEEE, 2011. http://dx.doi.org/10.1109/icccet.2011.5762460.

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Spura, David, Uwe Gampe, Gunter Eschmann, and Wieland Uffrecht. "Experimental Investigation of Heat Transfer in Cavities of Steam Turbine Casings Under Generic Test Rig Conditions." In ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/gt2018-75463.

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This paper presents the first experimental results of the systematic investigation of forced convection heat transfer in scaled generic models of steam turbine casing side spaces with varied geometric dimensions under fully turbulent air flow. Data were obtained by two redundant low-heat measuring methods. The results from the steady-state inverse method are in good agreement with the data from the local overtemperature method, which was applied via a novel miniaturized heat transfer coefficient (HTC) sensor concept. All experiments were conducted at the new Side Space Test Rig “SiSTeR” at TU
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Gogu, Grigore. "Fully-Isotropic Redundantly-Actuated Parallel Wrists With Three Degrees of Freedom." In ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/detc2007-34237.

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The paper presents fully-isotropic redundantly-actuated parallel wrists (RaPWs) with three degrees of freedom. The mobile platform has three independent rotations. A method is proposed for structural synthesis of fully-isotropic RaPWs based on the theory of linear transformations. A one-to-one correspondence exists between the actuated joint velocity space and the external velocity space of the moving platform. The Jacobian mapping the two vector spaces of fully-isotropic RaPWs presented in this paper is 3×3 identity matrix throughout the entire workspace. The condition number and the determin
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Viker, Tom, and Jim Stice. "Modular Redundancy for Cerebrospinal Fluid Shunts: Reducing Incidence of Failure due to Catheter Obstruction." In 2019 Design of Medical Devices Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/dmd2019-3291.

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Cerebrospinal fluid shunts for the treatment of hydrocephalus fail at a rate of 40% within the first year. The importance of this problem is supported by one institution’s analysis of neurosurgical 30-day readmissions with CSF shunt failure only second to brain tumor readmissions. Hospital shunt related costs have been estimated at $1.4 to $2 billion annually. The majority of these costs are attributable to shunt failures based on the number of revisions out of the total numbers of annual shunt procedures. The technical innovation of this project is a low cost, low risk and easy to implement C
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Losi, Enzo, Mauro Venturini, Lucrezia Manservigi, Giuseppe Fabio Ceschini, and Giovanni Bechini. "Anomaly Detection in Gas Turbine Time Series by Means of Bayesian Hierarchical Models." In ASME Turbo Expo 2019: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/gt2019-90057.

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Abstract Nowadays, gas turbines are equipped with an increasing number of sensors, of which the acquired data are used for monitoring and diagnostic purposes. Therefore, anomaly detection in sensor time series is a crucial aspect for raw data cleaning, in order to identify accurate and reliable data. To this purpose, a novel methodology based on Bayesian Hierarchical Models (BHMs) is proposed in this paper. The final aim is the exploitation of information held by a pool of observations from redundant sensors as knowledge base to generate statistically consistent measurements according to input
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Reports on the topic "Redundant numbers"

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Butler, Jon T., and Tsutomu Sasao. Redundant Multiple-Valued Number Systems. Defense Technical Information Center, 1997. http://dx.doi.org/10.21236/ada599946.

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Martínez-Ventura, Constanza, Jorge Ricardo Mariño-Martínez, and Javier Iván Miguélez-Márquez. Redundancy of Centrality Measures in Financial Market Infrastructures. Banco de la República de Colombia, 2022. http://dx.doi.org/10.32468/be.1206.

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The concept of centrality has been widely used to monitor systems with a network structure because it allows identifying their most influential participants. But this monitoring task can be difficult if the number of system participants is considerably large or if the wide variety of centrality measures currently available produce non-coincident (or mixed) signals. This document uses principal component analysis to evaluate a set of centrality measures calculated for the financial institutions that participate in four financial market infrastructures of Colombia. The results obtained are used
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Monte, Daniel, and Roberto B. Pinheiro. Costly Information Intermediation: Quality vs. Spillovers. Federal Reserve Bank of Cleveland, 2024. https://doi.org/10.26509/frbc-wp-201721r2.

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We analyze information intermediaries in large economies with costly information acquisition. Intermediaries face a trade-off between quality and dissemination speed. Both altruistic policymakers and profit-maximizing monopolists optimally choose to sample limited information, increasing the number of partially informed agents and enhancing spillovers despite slower information accumulation. Altruistic information-sharing bureaus minimize fees by inducing low provider default rates, while monopolist bureaus maximize fees through higher faulty service rates. Information trade resembles a natura
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