Frequency estimation of the sinusoidal signals with unknown lowpass envelopes based on the eigenanalysis

被引：8
|
作者：
Ge, FX [1 ]
Wan, Q [1 ]
Wang, XT [1 ]
Peng, YN [1 ]
机构：
[1] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China
来源：
PROCEEDINGS OF THE 2002 IEEE RADAR CONFERENCE | 2002年
关键词：
D O I：
10.1109/NRC.2002.999760
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
In this paper, the frequency estimation of the sinusoidal signals with unknown lowpass envelope is addressed. Due to mismodeling, the performance of the conventional subspace-based method degrades significantly in these cases. By developing the method applied to the parametric localization of distributed sources, an eigenanalysis-based method is proposed for the frequency estimate. The comparisons of the proposed method and the nonlinear least-squares (NLS) approach with each other as well as the Cramer-Rao Bound (CRB), are presented. The simulations illustrate the good performance in the precision and super-resolution.
引用
收藏
页码：453 / 458
页数：6
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