Quadratic Multiplexing--A New Method for Secure Communication.

機譯：二次多路復用 - 一種新的保密通信方法。

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A secure digital multiplexing technique is presented which uses a pseudo-random process with a fundamental cycle length N. The method can handle D < N signal sequences of length M < N. The SNR's of the de-multiplexed signals is N/4DM for large N, even if the additive noise power is large. The de-multiplexer must compute the discrete Fourier transform of the pseudo-random sequence that is used to encode the signals. Information is carried in the phase differences between the frequency components of the multiplexed signal. De-multiplexing requires at least DMNlog2N arithmetic calculations. (Author)

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作者
hinich,melvin j.;
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年度 1977
頁碼 1-16
總頁數(shù) 16
原文格式 PDF
正文語種 eng
中圖分類工業(yè)技術;
關鍵詞
Multiplexing; Secure communications; Digital systems; Signal to noise ratio; Pseudorandom sequences; Fourier transformation; Quadratic multiplexing;

機譯：多路復用;安全通信;數(shù)字系統(tǒng);信噪比;偽隨機序列;傅里葉變換;二次多路復用;

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Quadratic Multiplexing--A New Method for Secure Communication.

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