Research on Micro-Doppler Feature of Spatial Target

被引：0

作者：

Ji Zhenyuan ^{[1
]}

Hu Encheng ^{[1
]}

Zhang Yun ^{[1
]}

Jin Hongyan ^{[1
]}

机构：

[1] Harbin Inst Technol, Xidazhijie 92, Harbin 150006, Heilongjiang, Peoples R China

来源：

COMMUNICATIONS, SIGNAL PROCESSING, AND SYSTEMS | 2019年 / 463卷

关键词：

Micro-Doppler; Time-frequency analysis; ISAR imaging algorithm;

D O I：

10.1007/978-981-10-6571-2_323

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Inverse Synthetic aperture radar (ISAR) is widely used to observe the space moving target, on which the motion of spin, vibration and rotation will introduce the micro-Doppler (m-D) effect, and results in the smear imaging. When the space target has a micro-Doppler effect, it will produce frequency modulation for the radar echo and cause serious interference. In this paper, the micro-spin model is constructed, and the echo of micro-spin scattering is processed respectively by the time-frequency analysis. A new method of eliminating the micro-Doppler effect is proposed to improve the ISAR imaging. By the experiments and performance analysis, the validity of the proposed algorithm is demonstrated.

引用

页码：2670 / 2677

页数：8

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