FREQUENCY ESTIMATION OF SIGNALS WITH LOWPASS ENVELOPE BASED ON JUMP ESTIMATOR

被引：0
|
作者：
Sebghati, Mohammad Ali [1 ]
Amindavar, Hamidreza [1 ]
机构：
[1] Amirkabir Univ Technol, Dept Elect Engn, Tehran, Iran
来源：
2009 IEEE/SP 15TH WORKSHOP ON STATISTICAL SIGNAL PROCESSING, VOLS 1 AND 2 | 2009年
关键词：
Central frequency estimation; jump process; kernel-type jump estimator; narrowband modulated signal;
D O I：
10.1109/SSP.2009.5278509
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, we present a new frequency estimation of multi-component sinusoidal signals with arbitrary lowpass envelope. Conventional methods fail to produce reasonable results. The proposed method is based on estimation of the jump points in the frequency domain. No assumptions on the shape or properties of envelope is required, except being a narrowband. Unlike previous algorithms, this algorithm works properly even in presence of non-Gaussian observation noise. Performance analysis and simulation results demonstrate improved precision and resolution with respect to existing methods.
引用
收藏
页码：577 / 580
页数：4
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