Jitter problem in pseudo random signal processing

被引：0
|
作者：
Sytnik O. [1 ]
机构：
[1] O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12 Academician Proskura St., Kharkiv
来源：
Telecommun Radio Eng | 2020年 / 5卷 / 425-432期
关键词：
Algorithm; Crosstalk interference; Digital signal processing; Doppler phase shift; Jitter; Noise; Pseudo random modulation; Radar; Sampling frequency; Spectral function;
D O I：
10.1615/telecomradeng.v79.i5.50
中图分类号：
学科分类号：
摘要：
The problem of jitter influence of the on the energy characteristics of pseudorandom sequences, which are used in radars with a continuous probing signal, is considered. For analysis, a single-pulse front formation scheme was used. The functional mathematical model of nonlinear device which form the elementary pulse of pseudo random sequences has been created. And then the jitter influence on phase errors of information output radar signal was analyzed. A connection between the statistical characteristics of jitter and the energy properties of the correlation functions of pseudo-random phase-code-manipulated sequences is established. It has been shown that integral estimates give an idea of the mean square level of the correlation function and do not allow one to judge its maximum peaks. To estimate the maximum peaks, the assumption that probability that the peak of the correlation function can exceeds a certain predetermined level was used. Relations for estimating errors in determining the temporal position of the elementary pulse front of a sequence are obtained. ©2020 by Begell House, Inc.
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页码：425 / 432
页数：7
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