Combined HO-CPF and HO-WD PPS estimator

被引：11

作者：

Djurovic, Igor ^{[1
]}

Simeunovic, Marko ^{[1
]}

机构：

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

来源：

SIGNAL IMAGE AND VIDEO PROCESSING | 2015年 / 9卷 / 06期

关键词：

Polynomial-phase signals; Parameter estimation; High-order ambiguity function; Cubic phase function; ORDER AMBIGUITY FUNCTION; PARAMETER-ESTIMATION; AMPLITUDE; SIGNALS; BOUNDS;

D O I：

10.1007/s11760-013-0592-5

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：

Recently, the high-order cubic phase function (HO-CPF) and high-order Wigner distribution (HO-WD) have been proposed for parameter estimation of polynomial-phase signals (PPSs). To estimate PPS parameters, both the HO-CPF and HO-WD are evaluated at two points. One point is usually the center of the considered time interval, whereas the other one is shifted from the center. Shifting shortens the signal sequence and reduces the performance of the considered technique. In this paper, we propose an estimation procedure that combines the HO-CPF and HO-WD. The procedure evaluates both functions at the origin only, implying no signal shortening. Simulation results and statistical study have shown a significant performance improvement over the HO-CPF- and the HO-WD- based estimators.

引用

页码：1395 / 1400

页数：6

共 17 条

[1]

[Anonymous], P 1 EUR C ART LIF

[2]

[Anonymous], PHYS PLASMAS

[3]

[Anonymous], INT C EL ADV APPL IC

[4] Product high-order ambiguity function for multicomponent polynomial-phase signal modeling [J].

Barbarossa, S ;

Scaglione, A ;

Giannakis, GB .

IEEE TRANSACTIONS ON SIGNAL PROCESSING, 1998, 46 (03) :691-708

[5] Analysis of polynomial-phase signals by the integrated generalized ambiguity function [J].

Barbarossa, S ;

Petrone, V .

IEEE TRANSACTIONS ON SIGNAL PROCESSING, 1997, 45 (02) :316-327

[6]

Boashash B, 2003, TIME FREQUENCY SIGNAL ANALYSIS AND PROCESSING: A COMPREHENSIVE REFERENCE, P627

[7] Are genetic algorithms useful for the parameter estimation of FM signals? [J].

Djurovic, Igor ;

Simeunovic, Marko ;

Lutovac, Budimir .

DIGITAL SIGNAL PROCESSING, 2012, 22 (06) :1137-1144

[8] A Hybrid CPF-HAF Estimation of Polynomial-Phase Signals: Detailed Statistical Analysis [J].

Djurovic, Igor ;

Simeunovic, Marko ;

Djukanovic, Slobodan ;

Wang, Pu .

IEEE TRANSACTIONS ON SIGNAL PROCESSING, 2012, 60 (10) :5010-5023

[9] Cramer-Rao bounds and maximum likelihood estimation for random amplitude phase-modulated signals [J].

Ghogho, M ;

Nandi, AK ;

Swami, A .

IEEE TRANSACTIONS ON SIGNAL PROCESSING, 1999, 47 (11) :2905-2916

[10] Hybrid FM-polynomial phase signal modeling: Parameter estimation and Cramer-Rao bounds [J].

Gini, F ;

Giannakis, GB .

IEEE TRANSACTIONS ON SIGNAL PROCESSING, 1999, 47 (02) :363-377

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