Single Pixel Imaging Based on Bicubic Interpolation Walsh Transform Matrix
IEEE AccessSingle pixel imaging is a new method, but imaging quality and speed are the main factors affecting its practicality. Building upon the attributes of the random measurement and deterministic matrices, a Walsh transformation matrix with bicubic ...
Wenying Zhang, Shanshan Jia, Haoran Zhu
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REGULAR METHOD FOR SYNTHESIS OF BASIC BENT-SQUARES OF RANDOM ORDER
Наука и техника, 2016 The paper is devoted to the class construction of the most non-linear Boolean bent-functions of any length N = 2k (k = 2, 4, 6…), on the basis of their spectral representation – Agievich bent squares.
A. V. Sokolov
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Quantum Time-Frequency Transforms [PDF]
arXiv, 2000 Time-frequency transforms represent a signal as a mixture of its time domain representation and its frequency domain representation. We present efficient algorithms for the quantum Zak transform and quantum Weyl-Heisenberg transform.
arxiv
The typical measure preserving transformation is not an interval exchange transformation [PDF]
arXiv, 2018 We show that the typical measure preserving transformation is not isomorphic to any interval exchange transformation.
arxiv
Discrete Hartley matrix transform precoding-based OFDM system to reduce the high PAPR
ICT Express, 2019 The high peak-to-average power ratio (PAPR) is one of the major drawbacks of the orthogonal frequency division multiplexing (OFDM) systems that make non-linear distortion in practical implementation of high power amplifier (HPA).
Abbas Ali Sharifi
doaj
The nonlocal Darboux transformation of the stationary axially symmetric Schrödinger equation and generalized Moutard transformation [PDF]
arXiv, 2019 The nonlocal Darboux transformation of the stationary axially symmetric Schr\"odinger equation is considered. It is shown that a special case of the nonlocal Darboux transformation provides the generalization of the Moutard transformation. Formulae for the generalized Moutard transformation are obtained. New examples of two - dimensional potencials and
arxiv
A NEW DISCRETE HARTLEY TRANSFORM PRECODING BASED INTERLEAVED-OFDMA UPLINK SYSTEM WITH REDUCED PAPR FOR 4G CELLULAR NETWORKS [PDF]
Journal of Engineering Science and Technology, 2011 High peak-to-average power ratio (PAPR) reduction is one of the major challenges in orthogonal frequency division multiple access (OFDMA) systems since last decades. High PAPR increases the complexity of analogue-to-digital (A/D) and digital-to-analogue (
VARUN JEOTI, IMRAN BAIG
doaj
Fast Walsh–Hadamard–Fourier Transform Algorithm
IEEE Transactions on Signal Processing, 2011 An efficient fast Walsh-Hadamard-Fourier transform algorithm which combines the calculation of the Walsh-Hadamard transform (WHT) and the discrete Fourier transform (DFT) is introduced. This can be used in Walsh-Hadamard precoded orthogonal frequency division multiplexing systems (WHT-OFDM) to increase speed and reduce the implementation cost.
Mounir T. Hamood, Said Boussakta
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Increasing the Efficiency of Blind Decoding of the Steganographic Method with Code Control of Additional Information Embedding [PDF]
Problems of the Regional EnergeticsModern energy systems are often used as a medium for information transmission, including confidential information, which makes relevant the task of ensuring its security, which today is solved using not only cryptographic but also steganographic means ...
Sokolov A.V. +2 more
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Modified Stieltjes Transform and Generalized Convolutions [PDF]
arXiv, 2016 Classical Stieltjes Transform is modified in a way to generalize both Stieltjes and Fourier transforms. This transform allows to intro- duce new classes of commutative and non-commutative generalized convolutions. Key words: Stieltjes Transform; characteristic function; generalized convolution.
arxiv