A Novel Parameter Estimation Method of Chirp Signal Based on Fractional Fourier Transform

被引：0

作者：

Chen, Rong ^{[1
]}

Wang, Yiming ^{[1
]}

机构：

[1] Natl Lab Informat Control Technol Commun Syst, Jiaxing 314001, Peoples R China

来源：

2011 6TH INTERNATIONAL ICST CONFERENCE ON COMMUNICATIONS AND NETWORKING IN CHINA (CHINACOM) | 2011年

关键词：

Fractional Fourier Transform (FRFT); chirp signal; parameter estimation; observation window;

D O I：

暂无

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：

Currently, the realization of parameter estimation of chirp signal using Fractional Fourier Transform (FRFT) is based on the assumption that the sampling duration of the practical observed signal is equal to the time duration of the chirp signal which is contained in the former. Actually, this assumption is not reasonable and there is limitation in application of the existing parameter estimation method. On the basis of analyzing the practical signal form, this paper derives the estimation error of the existing parameter estimation method and then proposes a novel and general parameter estimation method. Simulation results verify that the new method is effective.

引用

页码：82 / 87

页数：6

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