High Maneuvering Target Detection Algorithm Based on Cross Correlation and Fractional Fourier Transform

PANG  Cunsuo; ZHANG  SHUO; GUO  Hualing

doi:10.15892/j.cnki.djzdxb.2021.05.002

Journal of Projectiles, Rockets, Missiles and Guidance >

2021 , Vol. 41 >Issue 5: 7 - 11

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2021.05.002

High Maneuvering Target Detection Algorithm Based on Cross Correlation and Fractional Fourier Transform

PANG Cunsuo ,
ZHANG SHUO ,
GUO Hualing

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¹ School of Information and Communication Engineering, North University of China, Taiyuan 030051, China
² Key Laboratory of Information Detection and Processing in Shanxi Province, North University of China, Taiyuan 030051, China
³ National Key Laboratory of Electronic Measurement Technology, North University of China, Taiyuan 030051, China
⁴ School of Electrical and Control Engineering, North University of China, Taiyuan 030051, China

Received date: 2020-12-21

Online published: 2025-05-30

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Abstract

In order to suppress the radar echo energy diffusion caused by high maneuvering target, the existing parameter compensation methods have the problem of large amount of computation and difficult to meet the realtime requirements. In order to improve the detection performance and operation efficiency of the algorithm, this paper proposes a method based on crosscorrelation processing and fractional Fourier transform. Firstly, using the frequencydomain structure of pulse compression signal, the decoupling operation of velocity and accumulation time in echo signal is realized based on crosscorrelation processing. Secondly, based on MTD, the distance and acceleration parameters of the target are obtained by fractional Fourier transform, and the velocity parameters of the target are obtained by the range information of two consecutive frames of echo signals; finally, the performance advantages of the proposed method are compared and analyzed through operational component analysis and simulation verification.

Key words： energy diffusion; high maneuver; cross correlation processing; fractional Fourier transform

Cite this article

PANG Cunsuo , ZHANG SHUO , GUO Hualing . High Maneuvering Target Detection Algorithm Based on Cross Correlation and Fractional Fourier Transform[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2021 , 41(5) : 7 -11 . DOI: 10.15892/j.cnki.djzdxb.2021.05.002

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