首页|Scale effect removal and range migration correction for hypersonic target coherent detection

Scale effect removal and range migration correction for hypersonic target coherent detection

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The detection of hypersonic targets usually confronts range migration(RM)issue before coherent integration(CI).The traditional methods aiming at correcting RM to obtain CI mainly considers the narrow-band radar condition.However,with the increasing requirement of far-range detection,the time band-width product,which is corresponding to radar's mean power,should be promoted in actual application.Thus,the echo signal generates the scale effect(SE)at large time bandwidth product situation,influencing the intra and inter pulse integration perfor-mance.To eliminate SE and correct RM,this paper proposes an effective algorithm,i.e.,scaled location rotation transform(ScLRT).The ScLRT can remove SE to obtain the matching pulse compression(PC)as well as correct RM to complete CI via the location rotation transform,being implemented by seeking the actual rotation angle.Compared to the traditional coherent detection algorithms,ScLRT can address the SE problem to achieve better detection/estimation capabilities.At last,this paper gives several simulations to assess the viability of ScLRT.

hypersonic target detectioncoherent integration(CI)scale effect(SE)removalrange migration(RM)correctionscaled location rotation transform(ScLRT)

WU Shang、SUN Zhi、JIANG Xingtao、ZHANG Haonan、DENG Jiangyun、LI Xiaolong、CUI Guolong

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School of Information and Communication Engineering,University of Electronic Science and Technology of China,Chengdu 611731,China

National Natural Science Foundation of ChinaChinese Postdoctoral Science FoundationChinese Postdoctoral Science FoundationChinese Postdoctoral Science FoundationChinese Postdoctoral Science FoundationYoung Elite Scientist Sponsorship ProgramAeronautical Science Foundation of ChinaOpen Foundation of Science and Technology on Electronic Information Control Laboratory,and the Natural Science Foundation of

621010992021M6905582022T1501002018M6333522019T120825YESS202000822022Z0170800012023NSFSC1386

2024

10.23919/JSEE.2023.000151

系统工程与电子技术(英文版)
中国航天科工防御技术研究院 中国宇航学会 中国系统工程学会 中国系统仿真学会

系统工程与电子技术(英文版)

CSTPCD
影响因子：0.64
ISSN：1004-4132
年,卷(期)：2024.35(1)
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