一种ka波段高分辨率雷达系统与地面运动目标成像实验

2015 IEEE International Conference on Microwaves, Communications, Antennas and Electronic Systems (COMCAS) Pub Date : 2015-12-21 DOI:10.1109/COMCAS.2015.7360421

Yunhua Zhang, Xiang Gu, Xiao Dong, W. Zhai, Xueyan Kang, Yueying Tang

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引用次数: 3

摘要

本文介绍了我国最新升级的ka波段双接收通道雷达系统，该系统采用步进频率啁啾信号(SFCS)，信号跨越2GHz带宽。升级包括双通道接收解码接收机和采用高速光传输技术的数据采集与记录子系统。我们在系统中使用了两个任意波形发生器，一个用于发射，另一个用于接收，这为我们的发射/接收设计提供了很大的方便。简要介绍了系统设计，并对脉冲压缩算法进行了讨论。在室外实验中，以公共汽车、卡车和火车为地面运动目标进行成像，获得高分辨率图像。研究了车轮滚动引起的微多普勒现象。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A Ka-band high-resolution radar system and ground moving target imaging experiment

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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来源期刊

2015 IEEE International Conference on Microwaves, Communications, Antennas and Electronic Systems (COMCAS)

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