A Ka-Band High-Resolution Radar System and Ground Moving Target Imaging Experiment

被引：0
|
作者：
Zhang, Yunhua [1 ]
Gu, Xiang [1 ]
Dong, Xiao [1 ]
Zhai, Wenshuai [1 ]
Kang, Xueyan [1 ]
Tang, Yueying [1 ]
机构：
[1] Chinese Acad Sci, Natl Space Seience Ctr, Key Lab Microwave Remote Sensing, Beijing 100190, Peoples R China
来源：
2015 IEEE INTERNATIONAL CONFERENCE ON MICROWAVES, COMMUNICATIONS, ANTENNAS AND ELECTRONIC SYSTEMS (COMCAS) | 2015年
关键词：
High-resolution radar; ground moving target imaging (GMTI); SAR/ISAR; stepped-frequency chirp signal (SFCS); micro-Doppler; video-ISAR;
D O I：
暂无
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：
This paper introduces our recently upgraded Ka-band two-receiving-channel radar system, which adopts stepped-frequency chirp signal (SFCS) and the signal spans 2GHz bandwidth. The upgrading include the two-channel dechirping-on-receiving receiver and the data sampling and recording subsystem where high-speed optical transmission technique is used. We use two arbitrary waveform generators in the system, one for transmitting and another one for receiving, which provides us a great convenience for transmitting / receiving design. We briefly introduce the system design as well as discuss about the pulse compressing algorithm. In the outdoor experiment, buses, trucks and trains were taken as the ground moving targets to image and high-resolution images were obtained. The micro-Doppler phenomenon resulted from the rolling wheels is investigated.
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页数：4
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