An analog scrambling scheme which does not expand bandwidth, Part I: Discrete time
作者： A. Wyner
关键词: Scrambling 、 Invertible matrix 、 Cryptography 、 Mathematics 、 Topology 、 Secure communication system 、 Theoretical computer science 、 Discrete time and continuous time 、 Bandwidth (signal processing) 、 Library and Information Sciences 、 Information Systems 、 Computer Science Applications
摘要: The problem of scrambling a discrete-time analog sequence for the purpose privacy encoding is studied. A large family linear orthogonal invertible transformations described that result in negligible expansion bandwidth and can therefore serve as building blocks secure communication system.
sci-hub.se 参考文章(4)
A. Wyner, An analog scrambling scheme which does not expand bandwidth, Part II: Continuous time IEEE Transactions on Information Theory. ,vol. 25, pp. 415- 425 ,(1979) , 10.1109/TIT.1979.1056071
H. J. Landau, H. O. Pollak, Prolate Spheroidal Wave Functions, Fourier Analysis and Uncertainty-III: The Dimension of the Space of Essentially Time- and Band-Limited Signals Bell System Technical Journal. ,vol. 41, pp. 1295- 1336 ,(1962) , 10.1002/J.1538-7305.1962.TB03279.X
D. Tufts, J. Francis, Designing digital low-pass filters--Comparison of some methods and criteria IEEE Transactions on Audio and Electroacoustics. ,vol. 18, pp. 487- 494 ,(1970) , 10.1109/TAU.1970.1162148
D. Slepian, Prolate spheroidal wave functions, fourier analysis, and uncertainty — V: the discrete case Bell System Technical Journal. ,vol. 57, pp. 1371- 1430 ,(1978) , 10.1002/J.1538-7305.1978.TB02104.X