Integrated Cubic Phase Function for Linear FM Signal Analysis

被引：139

作者：

Wang, Pu ^{[1
]}

Li, Hongbin ^{[1
]}

Djurovic, Igor ^{[2
]}

Himed, Braham ^{[3
]}

机构：

[1] Stevens Inst Technol, Dept Elect & Comp Engn, Hoboken, NJ 07030 USA

[2] Univ Montenegro, Dept Elect Engn, Podgorica 81000, Montenegro

[3] AFRL RYRT, Dayton, OH 45433 USA

来源：

IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS | 2010年 / 46卷 / 03期

基金：

中国国家自然科学基金;

关键词：

ORDER AMBIGUITY FUNCTION; POLYNOMIAL-PHASE; PARAMETER-ESTIMATION; MULTICOMPONENT SIGNALS; CHIRP SIGNALS; TRANSFORM; AMPLITUDE;

D O I：

10.1109/TAES.2010.5545167

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

In this paper, an integrated cubic phase function (ICPF) is introduced for the estimation and detection of linear frequency-modulated (LFM) signals. The ICPF extends the standard cubic phase function (CPF) to handle cases involving low signal-to-noise ratio (SNR) and multi-component LFM signals. The asymptotic mean squared error (MSE) of an ICPF-based estimator as well as the output SNR of an ICPF-based detector are derived in closed form and verified by computer simulation. Comparison with several existing approaches is also included, which shows that the ICPF serves as a good candidate for LFM signal analysis.

引用

页码：963 / 977

页数：15

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