Experimental Analysis of Small Drone Polarimetry Based on Micro-Doppler Signature

被引：46

作者：

Kim, Byung Kwan ^{[1
]}

Kang, Hyun-Seong ^{[1
]}

Park, Seong-Ook ^{[1
]}

机构：

[1] Korea Adv Inst Sci & Technol, Dept Elect Engn, Daejeon 305701, South Korea

来源：

IEEE GEOSCIENCE AND REMOTE SENSING LETTERS | 2017年 / 14卷 / 10期

基金：

新加坡国家研究基金会;

关键词：

Drones; micro-Doppler signature (MDS); polarimetric radar; radar detection; radar signal analysis; unmanned aerial vehicle; ELECTROMAGNETIC SCATTERING; RADAR; CLASSIFICATION;

D O I：

10.1109/LGRS.2017.2727824

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

We present a polarimetric analysis of small drones from different aspect angles. Polarimetric analysis can provide more information of a target, since the returned radar signal is affected by different wave polarization. The analysis is performed with micro-Doppler signature (MDS) to investigate micromotions of the drone detected by the radar. We measured operating small drones in an anechoic chamber from two aspect angles, 0 degrees and 90 degrees. An outdoor experiment was carried out with metal clutters for verification in real environment. The indoor analysis result shows that copolarized antenna receives signals better than cross polarized when the aspect angle is 0 degrees, and vice versa. We also verified that cross-polarized antenna receives MDS from the drone better than copolarized antenna, from outdoors when an aspect angle is almost 90 degrees. By utilizing the polarimetric characteristic of the drone at this frequency band, it is preferable to use a polarimetric radar for drone detection.

引用

页码：1670 / 1674

页数：5

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