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Letteratura scientifica selezionata sul tema "Pseudorandom correlation functions"

Autore: Grafiati

Pubblicato: 14 settembre 2024

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Articoli di riviste sul tema "Pseudorandom correlation functions"

1

Kuznetsov, A. A., A. V. Potii, N. A. Poluyanenko, and S. G. Vdovenko. "Combining and filtering functions in the framework of nonlinear-feedback shift register." Radiotekhnika, no. 195 (December 28, 2018): 101–12. http://dx.doi.org/10.30837/rt.2018.4.195.10.

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Strong cryptography of stream ciphers is determined, among other things, by the ability of a generated pseudorandom sequence to resist analytical attacks. One of the main components of the pseudorandom stream cipher sequence generating algorithm are Boolean functions for combining and filtering. The paper considers the possibility of applying nonlinear-feedback shift registers that generate a maximum length sequence as a combining or filtering function. This work examines the main indicators of cryptographic strength of such functions, as: balance, the prohibitions presence, correlation immuni

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2

Starodubtsev, V. G. "Sets of Nonbinary Sequences with a Low Level of Mutual Correlation for Systems of Digital Information Transmission." Радиотехника и электроника 68, no. 2 (2023): 146–51. http://dx.doi.org/10.31857/s0033849423020134.

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The sets of nonbinary pseudorandom sequences (NPSs) for periods N = p^S– 1 20 000 (p = 3, 5,7, and 11) generated in finite fields GF(pS) whose power is V = N + 1 and the maximum of the module of peaks of the periodic autocorrelation function (PACF) and periodic cross-correlation function (PCCF) satisfy the bounds obtained by Sidel’nikov. In addition to the minimal polynomials of elements α and α^2 , where α is a primitive element of field GF(p^S), the minimal polynomials of elements α and α^(i_d)(i_d is the decimation index) are determined on the basis of which the new sets of NPSs can be form

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3

Steele Jr., Guy L., and Sebastiano Vigna. "LXM: better splittable pseudorandom number generators (and almost as fast)." Proceedings of the ACM on Programming Languages 5, OOPSLA (2021): 1–31. http://dx.doi.org/10.1145/3485525.

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In 2014, Steele, Lea, and Flood presented SplitMix, an object-oriented pseudorandom number generator (prng) that is quite fast (9 64-bit arithmetic/logical operations per 64 bits generated) and also splittable . A conventional prng object provides a generate method that returns one pseudorandom value and updates the state of the prng; a splittable prng object also has a second operation, split , that replaces the original prng object with two (seemingly) independent prng objects, by creating and returning a new such object and updating the state of the original object. Splittable prng objects

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4

Alejos, Ana Vazquez, Muhammad Dawood, and Habeeb Ur-Rahman Mohammed. "Estimation of Sidelobe Level Variations of Phased Codes in Presence of Random Interference for Bistatic Wideband Noise Radar." International Journal of Antennas and Propagation 2015 (2015): 1–11. http://dx.doi.org/10.1155/2015/297823.

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We discuss the importance of using the sidelobe level of the cross-correlation function as a criterion to implement a noise radar based on the transmission of wideband binary waveforms. Theoretical expressions are introduced for the parameters Peak-Sidelobe, Secondary-Sidelobe, and Integrated-Sidelobe levels for both Golay and pseudorandom binary sequences in presence of additive white Gaussian noise, relating the sequence lengthMto the spectral powerN0of the interfering noise. These expressions offer a valuable method for adaptive radar waveform design in order to determine sequence requireme

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5

Kowalczyk, Adam, Robert Hanus, and Anna Szlachta. "Investigation of the Statistical Method of Time Delay Estimation Based on Conditional Averaging of Delayed Signal." Metrology and Measurement Systems 18, no. 2 (2011): 335–42. http://dx.doi.org/10.2478/v10178-011-0015-3.

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Investigation of the Statistical Method of Time Delay Estimation Based on Conditional Averaging of Delayed Signal This paper presents the results of the theoretical and practical analysis of selected features of the function of conditional average value of the absolute value of delayed signal (CAAV). The results obtained with the CAAV method have been compared with the results obtained by method of cross correlation (CCF), which is often used at the measurements of random signal time delay. The paper is divided into five sections. The first is devoted to a short introduction to the subject of

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Rouabah, Khaled, Mustapha Flissi, Salim Attia, and Djamel Chikouche. "Unambiguous Multipath Mitigation Technique for BOC(n,n) and MBOC-Modulated GNSS Signals." International Journal of Antennas and Propagation 2012 (2012): 1–13. http://dx.doi.org/10.1155/2012/895390.

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We propose an efficient scheme for side peaks cancelation and multipath (MP) mitigation in binary offset carrier (n,n) (BOC(n,n)) and multiplexed BOC (MBOC) modulated signals. The proposed scheme reduces significantly the band of variation of MP errors in global navigation satellite system (GNSS). It consists of two versions. The first one is based on the use of maximum likelihood estimator (MLE) of MP signals and reference correlation functions (CFs) like that of pseudorandom noise (PRN) code without BOC subcarrier. In the second version, the former (MLE) is used with the reference BOC(n,n) o

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7

Drescher, Uwe. "Impact of venous return on pulmonary oxygen uptake kinetics during dynamic exercise: in silico time series analyses from muscles to lungs." Journal of Applied Physiology 125, no. 4 (2018): 1150–64. http://dx.doi.org/10.1152/japplphysiol.01058.2017.

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The aim of the present study was to investigate whether a single-compartment (SCM) and a multi-compartment (MCM) venous return model will produce significantly different time-delaying and distortive effects on pulmonary oxygen uptake (V̇o2pulm) responses with equal cardiac outputs (Q̇) and muscle oxygen uptake (V̇o2musc) inputs. For each model, 64 data sets were simulated with alternating Q̇ and V̇o2musc kinetics—time constants (τ) ranging from 10 to 80 s—as responses to pseudorandom binary sequence work rate (WR) changes. Kinetic analyses were performed by using cross-correlation functions (C

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8

Savvidy, George, and Konstantin Savvidy. "Exponential decay of correlations functions in MIXMAX generator of pseudorandom numbers." Chaos, Solitons & Fractals 107 (February 2018): 244–50. http://dx.doi.org/10.1016/j.chaos.2018.01.007.

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9

Bienvenu, Pierre-Yves. "Asymptotics for some polynomial patterns in the primes." Proceedings of the Royal Society of Edinburgh: Section A Mathematics 149, no. 5 (2019): 1241–90. http://dx.doi.org/10.1017/prm.2018.52.

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AbstractWe prove asymptotic formulae for sums of the form $$\sum\limits_{n\in {\open z}^d\cap K} {\prod\limits_{i = 1}^t {F_i} } (\psi _i(n)),$$where K is a convex body, each Fi is either the von Mangoldt function or the representation function of a quadratic form, and Ψ = (ψ1, …, ψt) is a system of linear forms of finite complexity. When all the functions Fi are equal to the von Mangoldt function, we recover a result of Green and Tao, while when they are all representation functions of quadratic forms, we recover a result of Matthiesen. Our formulae imply asymptotics for some polynomial patte

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10

Chen, E., Lequan Min, and Guanrong Chen. "Discrete Chaotic Systems with One-Line Equilibria and Their Application to Image Encryption." International Journal of Bifurcation and Chaos 27, no. 03 (2017): 1750046. http://dx.doi.org/10.1142/s0218127417500468.

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This paper introduces nine four-dimensional discrete chaotic systems with one-line equilibria (DCSLE), consisting of some simple sine functions. Based on the generalized chaos synchronization (GCS) theorem, a DCSLE is used to construct an eight-dimensional DCSLE GCS system. The new DCSLE GCS system is verified by numerical simulation and then used to design a chaotic pseudorandom number generator (CPRNG). The randomness of ten 100-key streams generated by the CPRNG, two GCS-based CPRNGs, the RC4 PRNG and the ZUC PRNG are tested by the SP800-22/FIPS 140-2 tests. The test results confirm that th

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Tesi sul tema "Pseudorandom correlation functions"

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Gu, Ting. "STATISTICAL PROPERTIES OF PSEUDORANDOM SEQUENCES." UKnowledge, 2016. http://uknowledge.uky.edu/cs_etds/44.

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Random numbers (in one sense or another) have applications in computer simulation, Monte Carlo integration, cryptography, randomized computation, radar ranging, and other areas. It is impractical to generate random numbers in real life, instead sequences of numbers (or of bits) that appear to be ``random" yet repeatable are used in real life applications. These sequences are called pseudorandom sequences. To determine the suitability of pseudorandom sequences for applications, we need to study their properties, in particular, their statistical properties. The simplest property is the minimal p

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Riahinia, Mahshid. "Constrained Pseudorandom Functions : New Constructions and Connections with Secure Computation." Electronic Thesis or Diss., Lyon, École normale supérieure, 2024. http://www.theses.fr/2024ENSL0022.

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Les fonctions pseudo-aléatoires (Pseudorandom Functions, alias PRFs) ont été introduites en 1986, par Goldreich, Goldwasser et Micali, comme moyen efficace de générer de l’aléa et servent depuis d’outils essentiels en cryptographie. Ces fonctions utilisent une clé secrète principale pour faire correspondre différentes entrées à des sorties pseudo-aléatoires. Les fonctions pseudo-aléatoires contraintes (Constrained Pseudorandom Functions, alias CPRFs), introduites en 2013, étendent les PRFs enautorisant la délégation des clés contraintes qui permettent l’évaluation de la fonction uniquement sur

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Capitoli di libri sul tema "Pseudorandom correlation functions"

1

Canetti, Ran, Yilei Chen, and Leonid Reyzin. "On the Correlation Intractability of Obfuscated Pseudorandom Functions." In Theory of Cryptography. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-49096-9_17.

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Couteau, Geoffroy, and Clément Ducros. "Pseudorandom Correlation Functions from Variable-Density LPN, Revisited." In Lecture Notes in Computer Science. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-31371-4_8.

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Kondi, Yashvanth, Claudio Orlandi, and Lawrence Roy. "Two-Round Stateless Deterministic Two-Party Schnorr Signatures from Pseudorandom Correlation Functions." In Advances in Cryptology – CRYPTO 2023. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-38557-5_21.

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Anandkumar R. and Kalpana R. "A Review on Chaos-Based Image Encryption Using Fractal Function." In Examining Fractal Image Processing and Analysis. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-0066-8.ch002.

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Abstract (sommario):

The tremendous development in the field of telecommunication and computer technologies leads to the preference of transferring information as a digital data. In this transformation of information, cryptography helps in encrypting/decrypting digital data, so that intruders will not be able to sniff the highly confidential information. Most information is transferred as a digital image, where image encryption is done by scrambling the original pixels of the image, and hence, the correlation between the original pixel and scrambled pixel differs leading to confusion to unauthorized accesses. Chaotic image encryption is one of the recent technologies in cryptosystems, where a pseudorandom and irregular key is used for encryption/decryption, as the key suffers a great change if some initial conditions are altered, leading to highly secured transmission in the network. In this chapter, a detailed survey is conducted on chaotic image encryption using fractal function, in which fractal key is used for encryption and decryption of an image.

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Atti di convegni sul tema "Pseudorandom correlation functions"

1

Kuznetsov, Alexandr, Oleksii Smirnov, Olesia Reshetniak, Tetiana Ivko, Tetiana Kuznetsova, and Tetiana Katkova. "Generators of Pseudorandom Sequence with Multilevel Function of Correlation." In 2019 IEEE International Scientific-Practical Conference Problems of Infocommunications, Science and Technology (PIC S&T). IEEE, 2019. http://dx.doi.org/10.1109/picst47496.2019.9061530.

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Kuznetsov, Alexandr, Anastasiia Kiian, Kateryna Kuznetsova, Mihael Zub, Yevhena Zaburmekha, and Elena Lyshchenko. "Pseudorandom Sequences with Multi-Level Correlation Function for Direct Spectrum Spreading." In 2019 IEEE International Conference on Advanced Trends in Information Theory (ATIT). IEEE, 2019. http://dx.doi.org/10.1109/atit49449.2019.9030436.

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3

Roberts, A. Kaleo, and Kamal Sarabandi. "Impact of Orthogonal, Pseudorandom Radar Waveforms in Estimating the Backscatter Frequency Correlation Function." In 2021 XXXIVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS). IEEE, 2021. http://dx.doi.org/10.23919/ursigass51995.2021.9560430.

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Dolfi, David W., and Moshe Nazarathy. "25-GHz electrical correlation sampler using coded electro-optic modulators." In Integrated Photonics Research. Optica Publishing Group, 1990. http://dx.doi.org/10.1364/ipr.1990.wi1.

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Recent theoretical1 and experimental2 research has established that the use of pseudorandom coded phase-reversed electrode structures can provide substantial improvement in the frequency response of LiNbO3 traveling-wave integrated-optic modulators. Although the magnitude of the frequency response of these devices is greatly extended, their phase response exhibits considerable nonlinearity, which prevents the device impulse response from attaining its transform-limited extent (the reciprocal of the extended bandwidth). Recently3 we proposed electro-optic sampling and fast optical pulse generat

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Galustov, G. G., and V. V. Voronin. "The synthesis of the correlation function of pseudorandom binary numbers at the output shift register." In SPIE Defense + Security, edited by Ivan Kadar. SPIE, 2017. http://dx.doi.org/10.1117/12.2263590.

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