Application of S-Transform Random Consistency in Inverse Synthetic Aperture Imaging Laser Radar Imaging

被引：3

作者：

Zang, Bo ^{[1
]}

Zhu, Mingzhe ^{[1
]}

Zhou, Xianda ^{[1
]}

Zhong, Lu ^{[1
]}

Tian, Zijiao ^{[1
]}

机构：

[1] Xidian Univ, Sch Elect Engn, Xian 710071, Shaanxi, Peoples R China

来源：

APPLIED SCIENCES-BASEL | 2019年 / 9卷 / 11期

基金：

中国国家自然科学基金;

关键词：

time-frequency analysis; S-transformation; inverse synthetic aperture imaging laser radar; micro-Doppler; RANSAC; FREQUENCY; SIGNALS; SEPARATION; EXTRACTION; ALGORITHM;

D O I：

10.3390/app9112313

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Under the same principle, laser radar could be more sensitive to the micro-Doppler (m-D) effect due to its wave length, as the characteristic of multi-resolution, S transform could reduce the influence of the micro-Doppler component and enhance the imaging effect. This paper presents a method for micro-Doppler feature extraction in Inverse Synthetic Aperture Imaging Laser Radar (ISAIL) imaging. It is accessible and comprehensive, applying Random Sample Consensus (RANSAC) for the separation and reconstruction of micro-Doppler and rigid body signals. Experiments show that the method can effectively remove the micro-Doppler information and obtain a clear target distance-instantaneous Doppler image.

引用

页数：9

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