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Letteratura scientifica selezionata sul tema "Pseudorandom binary sequence"

Autore: Grafiati

Pubblicato: 10 dicembre 2022

Ultima modifica: 11 settembre 2023

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Articoli di riviste sul tema "Pseudorandom binary sequence"

1

Gyarmati, Katalin. "Concatenation of Legendre symbol sequences". Studia Scientiarum Mathematicarum Hungarica 48, n. 2 (1 giugno 2011): 193–204. http://dx.doi.org/10.1556/sscmath.48.2011.2.1150.

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In the applications it may occur that our initial pseudorandom binary sequence is not long enough, thus we have to take the concatenation of it with another pseudorandom binary sequences. Here we will consider concatenation of Legendre symbol sequences so that the resulting longer sequence has strong pseudorandom properties.

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2

Sárközy, András. "A finite pseudorandom binary sequence". Studia Scientiarum Mathematicarum Hungarica 38, n. 1-4 (1 maggio 2001): 377–84. http://dx.doi.org/10.1556/sscmath.38.2001.1-4.28.

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In a series of papers Mauduit and Sárközy studied finite pseudorandom sequences. In particular, in Part I they showed that the Legendre symbol forms an 'ideally good' pseudorandom sequence. In other parts of the series numerous other binary sequences have been tested for pseudorandomness but neither of them proved to be as 'good' as the Legendre symbol. Here another 'very good' sequence is constructed by using the notion of index.

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3

Qi, Yuchan, e Huaning Liu. "Binary sequences and lattices constructed by discrete logarithms". AIMS Mathematics 7, n. 3 (2022): 4655–71. http://dx.doi.org/10.3934/math.2022259.

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<abstract><p>In 1997, Mauduit and Sárközy first introduced the measures of pseudorandomness for binary sequences. Since then, many pseudorandom binary sequences have been constructed and studied. In particular, Gyarmati presented a large family of pseudorandom binary sequences using the discrete logarithms. Ten years later, to satisfy the requirement from many applications in cryptography (e.g., in encrypting "bit-maps'' and watermarking), the definition of binary sequences is extended from one dimension to several dimensions by Hubert, Mauduit and Sárközy. They introduced the measure of pseudorandomness for this kind of several-dimension binary sequence which is called binary lattices. In this paper, large families of pseudorandom binary sequences and binary lattices are constructed by both discrete logarithms and multiplicative inverse modulo $ p $. The upper estimates of their pseudorandom measures are based on estimates of either character sums or mixed exponential sums.</p></abstract>

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4

Šajić, Slavko, Nebojša Maletić, Branislav M. Todorović e Milan Šunjevarić. "Random Binary Sequences in Telecommunications". Journal of Electrical Engineering 64, n. 4 (1 giugno 2013): 230–37. http://dx.doi.org/10.2478/jee-2013-0033.

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Realization of modern telecommunication systems is inconceivable without use of different binary sequences. In this paper, an overview of random binary sequences used in different telecommunication systems is given. Basic principles of pseudorandom, chaotic, and true random sequence generation are presented, as well as their application in telecommunications in respect to advantages and drawbacks of the same. Moreover, particular scheme for true random binary sequence generation is given, as well as results of randomness assessment obtained by NIST statistical test suite. Finally, short insight into importance of random binary sequence in secure communications is given.

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5

Fei Xiang e Shui-Sheng Qiu. "Analysis on Stability of Binary Chaotic Pseudorandom Sequence". IEEE Communications Letters 12, n. 5 (maggio 2008): 337–39. http://dx.doi.org/10.1109/lcomm.2008.080133.

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6

Chen, Bin. "A Research Development in Autocorrelation of Nonlinear Pseudorandom Sequences". Advanced Materials Research 566 (settembre 2012): 115–19. http://dx.doi.org/10.4028/www.scientific.net/amr.566.115.

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Nonlinear continuous value sequences have been widely used as pseudorandom sequences, but their autocorrelation rules make us puzzled. Yet the nonlinear continuous value sequences are neither same as the well known binary sequences, nor same as the well known noise sequences. So we have to find other effective methods to study the autocorrelation rules of nonlinear sequence. In this paper, we introduced a phase space method to study their autocorrelation rules, and some simple yet effective conclusions were reached to assess and improve their autocorrelation performances. Many simulations were presented, too.

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7

A. Moniem, Tamer. "All-Optical Pseudorandom Binary Sequence (PRBS) Generator Using The Hardlimiters". JES. Journal of Engineering Sciences 41, n. 1 (1 gennaio 2013): 183–97. http://dx.doi.org/10.21608/jesaun.2013.114701.

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8

Collins, Alan D., e Bharat B. Sawhney. "Pseudorandom binary sequence stimulation applied to the visual evoked response". Documenta Ophthalmologica 83, n. 2 (giugno 1993): 163–73. http://dx.doi.org/10.1007/bf01206214.

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9

Chattopadhyay, Tanay, Tamer A. Moniem e Hirak Kumar Maity. "All-optical pseudorandom binary sequence (PRBS) generator using the hardlimiters". Optik 124, n. 20 (ottobre 2013): 4252–56. http://dx.doi.org/10.1016/j.ijleo.2012.12.072.

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10

Litvinov, V. S., e D. M. Bildziuk. "Correlation properties of binary pseudorandom sequence based on residue number system". Doklady BGUIR, n. 5 (3 luglio 2019): 38–44. http://dx.doi.org/10.35596/1729-7648-2019-123-5-38-44.

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Più fonti

Tesi sul tema "Pseudorandom binary sequence"

1

Basran, Jagdeep S. "Application of pseudorandom binary sequences to the absolute position measurement of automated guided vehicles". Thesis, University of Ottawa (Canada), 1989. http://hdl.handle.net/10393/5329.

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2

Nowak, Michael J. "Mixed Modulation for Remote Sensing with Embedded Navigation". Wright State University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=wright1462295752.

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3

RANI, VIJETA. "PSEUDORANDOM BINARY SEQUENCE GENERATION FOR STREAM CIPHERS". Thesis, 2012. http://dspace.dtu.ac.in:8080/jspui/handle/repository/13961.

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M.TECH
Pseudorandom binary sequences find their application in diverse fields but security and cryptography is probably the best known field of their application. One-Time Pad (OTP) is a simple, fast and the most secure encryption algorithm. It provides the perfect secrecy. The encryptiondecryption process of the OTP is based on exclusive-or function computed on the plaintext/ciphertext and the key bits. The requirements for the OTP key are that: it must be a cryptographically strong truly random or pseudorandom binary sequence; must be as long as plaintext size; and must not be reused. The difference between a truly random and a pseudorandom sequence is that the truly random sequence is generated with the help of nondeterministic physical phenomenon but the pseudorandom sequence is generated from some deterministic mechanism and a seed value. In case of pseudorandom binary sequences, given the same seed the pseudorandom number generator will always output the same sequence of numbers or bits. The fundamental difficulty with a truly random sequence is its generation and distribution. Therefore pseudorandom sequences are a popular choice for the practical implementation of the OTP scheme. Many researchers have devoted their time and effort to the family of shift register based pseudorandom sequence generators. But they could not gain a key sequence having very large period equal to the plaintext length. They also tried the complex versions of shift registers but it is yet not very useful and secure

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4

Gong, Jinzhe. "Leak detection and condition assessment for water distribution pipelines using fluid transient waves". Thesis, 2014. http://hdl.handle.net/2440/101566.

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The focus of this PhD research is to develop non-invasive and cost-effective techniques for assessing the structural condition of pressurised pipelines using fluid transient pressure waves. The specific objectives include the detection of leaks and localised deterioration that is distributed along a pipeline, such as extended sections of corrosion or the spalling of cement lining. The latter is described by pipeline condition assessment in this thesis. The transient behaviour of a leak is studied in the frequency domain. Numerical studies conducted in this research demonstrate that two leak-induced patterns (on the resonant and the anti-resonant responses) can exist in a frequency response diagram (FRD). The amplitudes of the responses are related to the impedance of the valve in a reservoir-pipeline-valve (RPV) system. A new leak detection technique has been developed in this research based on the further understanding of the leak-induced patterns. This technique uses the relative sizes of the first three resonant responses to determine the location and size of a single leak in RPV systems. In reservoir-pipeline-dead end systems, the information required for single event leak detection is further reduced to the first two resonant responses. A new measurement strategy for the extraction of the FRD of single pipelines is proposed in this research. The boundary valve loss is used to adjust the amplitude of the leak-induced pattern on the resonant responses and also the sharpness of the resonant peaks. A specific type of pseudo-random binary sequence (PRBS) termed the inverse repeat sequence (IRS), is used as the excitation signal. The antisymmetric property of IRS enables part of the nonlinear responses of the system under excitation to be cancelled out, yielding a measured FRD close to the theoretical linear system response. A side-discharge valve based transient generator is designed and fabricated in this research to implement the new FRD measurement strategy. Laboratory experiments are conducted on an intact pipeline and a pipeline with a leak. This research also conducts analysis of the characteristics of distributed pipe wall deterioration and develops new detection techniques. In a measured pressure trace, the size of the reflection resulting from a section of pipeline with a change in wall thickness is indicative of the characteristic impedance of this section. Once the impedance of this section is determined, the wave speed and wall thickness can be estimated. A technique for the detection of a single deteriorated section in pipelines is developed based on the above analysis. Two other condition assessment techniques are developed to deal with the complexities induced by multiple deteriorated sections. The first technique is termed reconstructive MOC (method of characteristics) analysis, which uses the pressure trace measured at the upstream face of the valve in a RPV system to determine the distribution of the impedance along the pipeline. The algorithm reconstructs a MOC grid by calculating the MOC compatibility equations backwards in time, estimating the properties of the pipeline (impedance, wave speed) and the length of each pipe reach as discretised by the MOC grid from the valve towards the reservoir. Preliminary experimental verification is conducted to verify the applicability of the new technique. The second technique is reconstructive transient analysis (RTA), which can be conducted at any interior accessible points along a pipeline, and does not require a RPV boundary condition. The RTA uses two pressure transducers in close proximity to measure two transient pressure traces in one test. A signal processing algorithm is developed to extract the directional transient waves (traveling upstream and downstream). The use of the directional transient waves enables the step response function (SRF) of the section of pipe upstream or downstream of the paired pressure transducers to be obtained. The reconstructive MOC analysis is then adapted to interpret the SRF to yield the distribution of the impedance, from which the location and severity of distributed deterioration can be identified.
Thesis (Ph.D.) -- University of Adelaide, School of Civil, Environmental and Mining Engineering, 2014.

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Capitoli di libri sul tema "Pseudorandom binary sequence"

1

Weik, Martin H. "pseudorandom binary sequence". In Computer Science and Communications Dictionary, 1364. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_15019.

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2

Chen, Zhixiong, Domingo Gomez e Arne Winterhof. "Distribution of Digital Explicit Inversive Pseudorandom Numbers and Their Binary Threshold Sequence". In Monte Carlo and Quasi-Monte Carlo Methods 2008, 249–58. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-04107-5_14.

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3

Pirsic, Gottlieb, e Arne Winterhof. "Boolean Functions Derived from Pseudorandom Binary Sequences". In Lecture Notes in Computer Science, 101–9. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-30615-0_9.

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4

Fúster-Sabater, Amparo. "Generation of Pseudorandom Binary Sequences with Controllable Cryptographic Parameters". In Computational Science and Its Applications - ICCSA 2011, 563–72. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-21928-3_41.

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5

Yayla, Oğuz. "Families of Pseudorandom Binary Sequences with Low Cross-Correlation Measure". In Cryptography and Information Security in the Balkans, 31–39. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-21356-9_3.

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6

Lavrukhin, Vladimir, Vitaly Lazarev e Alexander Ryjkov. "Correlation Properties Comparative Analysis of Pseudorandom Binary Sequences and LTE Standard ZC Sequences". In Lecture Notes in Computer Science, 414–25. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-46301-8_35.

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7

Hughson, R. L., D. A. Winter, A. E. Patla, J. E. Cochrane, L. A. Cuervo e G. D. Swanson. "Kinetics of Oxygen Uptake Studied with Two Different Pseudorandom Binary Sequences". In Respiratory Control, 131–35. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4613-0529-3_14.

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Atti di convegni sul tema "Pseudorandom binary sequence"

1

Li, Qi, Junping Gao e Xiaoqun Zhao. "Pseudorandom Punctured Binary Sequence Pairs". In 2008 4th International Conference on Wireless Communications, Networking and Mobile Computing (WiCOM). IEEE, 2008. http://dx.doi.org/10.1109/wicom.2008.405.

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2

Kumari, Shayna, M. Valarmathi e Shanthi Prince. "Generation of pseudorandom binary sequence using shot noise for optical encryption". In 2016 International Conference on Communication and Signal Processing (ICCSP). IEEE, 2016. http://dx.doi.org/10.1109/iccsp.2016.7754537.

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3

Bhuvanasundaram, Sambasivam, Yuriy Vagapov, Sergey Lupin e Roustiam Chakirov. "A random PWM technique for Z-source inverter based on pseudorandom binary sequence bits". In 2015 IEEE NW Russia Young Researchers in Electrical and Electronic Engineering Conference (EIConRusNW). IEEE, 2015. http://dx.doi.org/10.1109/eiconrusnw.2015.7102278.

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4

Cho, Ming-Yuan, Hoang Thi Thom e Jeng-Feng Hsu. "Fault Diagnosis for High Voltage Distribution Networks Using Pseudorandom Binary Sequence and Cross Correlation Technique". In 2016 3rd International Conference on Green Technology and Sustainable Development (GTSD). IEEE, 2016. http://dx.doi.org/10.1109/gtsd.2016.51.

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5

Taketa, Yuki, Yuta Kodera, Shogo Tanida, Takuya Kusaka, Yasuyuki Nogami, Norikazu Takahashi e Satoshi Uehara. "Mutual Relationship between the Neural Network Model and Linear Complexity for Pseudorandom Binary Number Sequence". In 2019 Seventh International Symposium on Computing and Networking Workshops (CANDARW). IEEE, 2019. http://dx.doi.org/10.1109/candarw.2019.00074.

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6

Winters, M. P., John L. Hall e K. P. Dinse. "High-resolution optical multiplex spectroscopy". In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1987. http://dx.doi.org/10.1364/oam.1987.wn4.

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We have developed a frequency-multiplex laser spectrometer using the concept of stochastic excitation to provide an effective optical excitation bandwidth of >200 MHz and an inherent spectral resolution of a few kilohertz. A frequency-stabilized Ar+ laser is phase-modulated by a pseudorandom binary sequence (PRBS) running at a clock frequency of 200 MHz. The detected system response to the stochastic optical field is cross-correlated with an identical time-delayed PRBS to give the equivalent of a free induction decay signal. A time-to-frequency transformation then gives the transfer function of the optically absorbing/dispersing system. The calibration and linearity of the frequency axis are dependent only on the oscillator used to clock the PRBS generators, thus avoiding the problems of drift and nonlinearities in ordinary sequential-scan spectroscopy. The multiplexing scheme allows a spectrum to be obtained in much less time than sequential scanning or, equivalently, gives a higher SNR for the same amount of data taking time. We have demonstrated the spectrometer by observing Doppler-free transitions in molecular iodine. We also describe the use of digitally filtered binary sequences and active control of residual amplitude modulation to improve the SNR of the spectrometer and possibilities for increasing the excitation bandwidth of the system.

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7

Weiner, A. M., J. P. Heritage e J. A. Salehi. "High-resolution shaping and encoding of femtosecond pulses". In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1987. http://dx.doi.org/10.1364/oam.1987.tux1.

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We previously reported the synthesis of arbitrarily shaped picosecond pulses by spatial filtering in a fiber and grating pulse compressor.1 Here we describe high-resolution shaping and encoding of femotsecond pulses using a modified nondispersive grating apparatus. Elementary examples include the femtosecond odd pulse (a pulse doublet abruptly phase shifted by π at t = 0)1 and high-frequency femtosecond tone bursts with beat frequencies as high as 2.6 THz. To illustrate further the high degree of complexity which may be incorporated into the shaped waveforms, we discuss frequency domain phase coding of femtosecond pulses. Pseudorandom binary phase masks, fabricated according to the optimal m-sequence codes,2 are utilized to scramble the phases of the various optical frequency components; In this way, intense femtosecond pulses are encoded into picosecond duration pseudonoise bursts. Subsequent unscrambling of the spectral phases (decoding) allows the original femtosecond pulse to be restored without broadening. We anticipate that high-resolution pulse shaping will have important applications in coherent time domain spectroscopy and optical communications; as one example we discuss a proposed optical spread spectrum communications switch based on encryption and decoding of ultrashort pulses.

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8

Fujisaka, Hisato, Kiyoshi Furuta, Syunsuke Soga, Kazuhisa Haeiwa e Takeshi Kamio. "A Parallel Method for Generating Pseudorandom Binary Markovian Sequences". In 2006 IEEE Ninth International Symposium on Spread Spectrum Techniques and Applications. IEEE, 2006. http://dx.doi.org/10.1109/isssta.2006.311743.

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9

Soga, S., H. Fujisaka e K. Furuta. "A Parallel Method for Generating Pseudorandom Binary I.I.D. Sequences". In 2008 IEEE 10th International Symposium on Spread Spectrum Techniques and Applications (ISSSTA). IEEE, 2008. http://dx.doi.org/10.1109/isssta.2008.144.

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10

Ye, Zhifan, Pinhui Ke e Zhixiong Chen. "Further results on pseudorandom binary sequences derived from Fermat-Euler Quotients". In 2015 10th International Conference on Information, Communications and Signal Processing (ICICS). IEEE, 2015. http://dx.doi.org/10.1109/icics.2015.7459968.

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