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Linear-FM random radar waveform compressed by dechirping method
Liu, Jiafang1,2; Zhang, Yunhua1,2; Dong, Xiao1
Department微波遥感部
Source PublicationIET RADAR SONAR AND NAVIGATION
2019
Volume13Issue:7Pages:1107-115
DOI10.1049/iet-rsn.2018.5432
ISSN1751-8784
Language英语
Keywordradar resolution FM radar random noise radar imaging frequency modulation synthetic aperture radar radar detection jamming dechirping compression method digital radio frequency memory repeat jammer random noise waveforms random radar echo signal low-speed analogue-to-digital converter LFM waveform compression high-resolution circular synthetic aperture radar imaging experiment linear-FM random radar waveform linear frequency modulation random radar waveform
AbstractThis research proposes a novel linear frequency modulation (Linear-FM) random radar waveform and introduces a dechirping compression method. The proposed linear-FM random waveforms possess a thumbtack ambiguity function and low cross-correlation properties which are good for fighting against digital radio frequency memory repeat jammer similar to random noise waveforms. The dechirping compression method for the proposed linear-FM random radar waveform works by mixing the random radar echo signal with a local reference linear frequency modulated (LFM) signal to reduce the echo bandwidth and thus allows to use low-speed analogue-to-digital converter similar to the dechirping method for LFM waveform compression. Both numerical simulation and high-resolution circular synthetic aperture radar imaging experiment are conducted to demonstrate the good performance of the proposed waveform and the proposed dechirping compression method.
Indexed BySCI ; EI
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Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/7066
Collection微波遥感部
Affiliation1.CAS Key Laboratory of Microwave Remote Sensing, National Space Science Center, Chinese Academy of Sciences, Beijing, China;
2.School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing, China
Recommended Citation
GB/T 7714
Liu, Jiafang,Zhang, Yunhua,Dong, Xiao. Linear-FM random radar waveform compressed by dechirping method[J]. IET RADAR SONAR AND NAVIGATION,2019,13(7):1107-115.
APA Liu, Jiafang,Zhang, Yunhua,&Dong, Xiao.(2019).Linear-FM random radar waveform compressed by dechirping method.IET RADAR SONAR AND NAVIGATION,13(7),1107-115.
MLA Liu, Jiafang,et al."Linear-FM random radar waveform compressed by dechirping method".IET RADAR SONAR AND NAVIGATION 13.7(2019):1107-115.
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