A Joint Rapid Parameter Estimate Method of Frequency-Hopping Signals

被引：3
|
作者：
Liang Zhongjie [1 ]
Lv Ming [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Elect Engn, Dept Informat & Engn, Chengdu 610054, Peoples R China
来源：
2012 INTERNATIONAL CONFERENCE ON CONTROL ENGINEERING AND COMMUNICATION TECHNOLOGY (ICCECT 2012) | 2012年
关键词：
Frequency-hopping signal; Parameter estimation; FFT; Multi-windows iterative SPWVD;
D O I：
10.1109/ICCECT.2012.85
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, a new joint rapid method is presented, based on fast Fourier transformation (FFT) and multi-windows iterative smoothed pseudo Wigner-Ville distribution (SPWVD) to estimate parameters of frequency-hopping (FH) signals. Firstly, the approximate range including hop timing is searched by segmented FFT, then the both ends of the data segments by multi-windows iterative SPWVD, combining with statistics about the ends to obtain more accurate estimation of the parameters. This method can be easily implemented with lower computation complexity, and making real-time estimation possible. Simulation results show that the method can more rapidly and accurately estimate parameters of FH signals in the low SNR.
引用
收藏
页码：952 / 954
页数：3
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