Performance comparison of two methods for 2-D frequency estimation in both medium and high SNR cases

被引：0
|
作者：
Yang, HH
Hua, YB
机构：
[1] Lab. for Information Representation, FRP, Riken, 2-1 Hirosawa, Wako-Shi
[2] Dept. of Elec. and Electron. Eng., University of Melbourne, Parkville
来源：
SIGNAL PROCESSING | 1997年 / 58卷 / 02期
基金：
澳大利亚研究理事会;
关键词：
2-D frequency estimation; matrix pencil; MUSIC; asymptotic variance; medium and high SNR; eigendecomposition;
D O I：
10.1016/S0165-1684(97)00025-X
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：
This paper further analyses the asymptotical estimation variances of the MUSIC and MP (matrix pencil) methods for two-dimensional (2-D) frequency estimation, assuming a number of 2-D snap-shots and each snap-shot is a large 2-D array of data. The new expressions obtained for the asymptotic variances are valid for both medium and high SNR cases. For the single 2-D frequency case, the new expressions are not only most explicit but also general enough to incorporate the previous existing results as special cases. (C) 1997 Elsevier Science B.V.
引用
收藏
页码：215 / 221
页数：7
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