Integrated Cubic Phase Function for Linear FM Signal Analysis

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...

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Veröffentlicht in:IEEE transactions on aerospace and electronic systems 2010-07, Vol.46 (3), p.963-977
Hauptverfasser: Pu Wang, Hongbin Li, Djurović, I, Himed, B
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Hongbin Li
Djurović, I
Himed, B
description 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.
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subjects Aircraft components
Asymptotic properties
Chirp
Electronic systems
Estimators
Exact solutions
Frequency estimation
Mathematical analysis
Mathematical models
Maximum likelihood estimation
Parameter estimation
Phase detection
Phase estimation
Radar
Signal analysis
Signal to noise ratio
Time frequency analysis
title Integrated Cubic Phase Function for Linear FM Signal Analysis
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