Blind Detection of Frequency Hopping Signal Using Time-Frequency Analysis

被引：0
|
作者：
Luan Haiyan [1 ]
Jiang Hua [1 ]
机构：
[1] China Natl Digital Switching Syst Engn & Technol, Zhengzhou, Peoples R China
来源：
2010 6TH INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS NETWORKING AND MOBILE COMPUTING (WICOM) | 2010年
关键词：
intricate electromagnetic environment; time-frequency analysis; spectrogram; frequency-hopping signals; detection; SEPARATION; MIXTURES;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
The paper proposes a detection algorithm for the frequency hopping signals in intricate electromagnetic environment using time-frequency analysis. To overcome the difficulty brought by the unsteady distribution and energy fading, an adaptive time-frequency local threshold is applied to preprocess the spectrogram; And by the methods such as spectrogram modification and time-statistic, most of the interferences are successfully removed. And finally the detection of FH signals is realized.
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页数：4
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