SAR图像辅助的雷达目标距离像检测识别

doi:10.12305/j.issn.1001-506X.2023.11.08

Abstract

Abstract:

High resolution range profile (HRRP) has important applications in target detection and recognition in small radar platforms. Accurate target and environment information is a key factor for improving the detection and recognition performance by HRRP. We propose to use the synthetic aperture radar (SAR) images on-line or off-line as prior information, extract 2D scattering centers from the SAR image and project them to the line sight of 1D imaging to obtain the 1D scattering center templates. The detection, recognition and key structure selection algorithms are designed and tested by both electromagnetic simulation and field data of ground targets. Results show that the SAR image based HRRP detection and recognition method has high detection and recognition rate, and has adaptability to varying conditions such as pose, frequency and resolution, which is important in practical applications.

Key words: high resolution range profile, target detection, target recognition, synthetic aperture radar (SAR) image

CLC Number:

TN951

Jianxiong ZHOU, Yongfeng ZHU, Ji CHEN, Hongming WU, Kun WU, Yongjie ZHANG. HRRP detection and recognition of radar targets based on assistant SAR images[J]. Systems Engineering and Electronics, 2023, 45(11): 3428-3436.

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HRRP detection and recognition of radar targets based on assistant SAR images

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