A New Coherent Integration Method for Frequency Jittering Radar

For the frequency jittering radar,the problems of range migration and phase jittering among different pulses may occur during the long-time integration,which will affect the target energy integration.Therefore,a new coherent integration algorithm,namely,Frequency jittering based Radon-Fourier transf...

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Bibliographic Details
Published in:Chinese Journal of Electronics 2017-09, Vol.26 (5), p.1008-1016
Main Authors: Yang, Gang, Tian, Jing, Wu, Shuang, Cui, Wei, Wu, Siliang
Format: Article
Language:English
Subjects:
blind speed sidelobes
Blind speed sidelobes (BSSL)
Coherent integration
coherent integration method
Cramer‐Rao lower bound
Cramer‐Rao lower bound (CRLB)
Fourier transforms
Frequency jittering
frequency jittering based Radon‐Fourier transform
frequency jittering radar
jamming
military radar
phase jittering
Radon transforms
range migration
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Description
Summary:For the frequency jittering radar,the problems of range migration and phase jittering among different pulses may occur during the long-time integration,which will affect the target energy integration.Therefore,a new coherent integration algorithm,namely,Frequency jittering based Radon-Fourier transform（FJ-RFT）,is proposed.Based on jointly searching in the motion parameter space,the problems mentioned above can be simultaneously resolved and the coherent integration can be then realized.The Cramer-Rao lower bound（CRLB） and the Blind speed sidelobes（BSSL） of the proposed FJ-RFT are analyzed in detail.Finally,numerical experiments are provided to demonstrate the effectiveness of the proposed method.
ISSN:1022-4653
2075-5597
DOI:10.1049/cje.2017.08.009