Use of adaptive filtering in the problem of demodulation of M-PSK signals

被引：1
|
作者：
D. S. Marychev
O. A. Morozov
V. R. Fidel’man
S. L. Khmelev
机构：
[1] N. I. Lobachevsky State University of Nizhny Novgorod,
[2] Research Physico-Technical Institute of N. I. Lobachevsky State University of Nizhny Novgorod,undefined
来源：
Radiophysics and Quantum Electronics | 2013年 / 55卷
关键词：
Carrier Frequency; Information Component; Classical Counterpart; Frequency Mismatch; Tuning Algorithm;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We propose an approach to recover the carrier frequency of phase-shift-keying (PSK) signals on the basis of digital adaptive filtering. The structures of the frequency-recovery schemes in the cases of 2-PSK and 4-PSK signals as well as the universal scheme are presented. The results of studying of the dependence of the scheme synchronization rate on the initial frequency mismatch and the signal-to-noise ratio as well as the results for interference immunity study of the schemes in the problem demodulation of PSK-signals are reported. Comparison with the classical counterparts is performed.
引用
收藏
页码：571 / 577
页数：6
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