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PIER PIER B PIER C PIER M PIER Letters
2012-08-22
Ground Moving Train Imaging by Ku-Band Radar with Two Receiving Channels
By
Yunhua Zhang,

    Prof. Yunhua Zhang

    CAS Key Laboratory of Microwave Remote Sensing, National Space Science Center, Chinese Academy of Sciences

    China

    Homepage

Wenshuai Zhai,

    Dr. Wenshuai Zhai

    Graduate University of the Chinese Academy of Sciences

    China

    Homepage

Xiangkun Zhang,

    Dr. Xiangkun Zhang

    National Space Science Center, CAS

    China

    Homepage

Xiaojin Shi,

    Dr. Xiaojin Shi

    Center for Space Science and Applied Research

    Chinese Academy of Sciences

    China

    Homepage

Xiang Gu,

    Dr. Xiang Gu

    Center for Space Science and Applied Research, CAS

    China

    Homepage

Yuan Deng

    Dr. Yuan Deng

    Center for Space Science and Applied Research

    Chinese Academy of Sciences

    China

    Homepage

Progress In Electromagnetics Research, Vol. 130, 493-512, 2012
doi:10.2528/PIER12060201
Abstract
Radar imaging experiment of ground moving target --- a light rail-way train by Ku-band radar with two receiving channel is introduced. Both coherent and incoherent imaging as well as co-pol and cross-pol interferometric imaging were conducted with SAR amplitude images as well as interferometric --- phase images obtained. In the obtained SAR images, there are 24 stronger scattering centers which correspond to 24 bigger doors of the train. Along-track interferometric --- phase images indicate that the train travels at an increasing speed in one direction and at a decreasing speed in the opposite direction. Short Time Fourier Transform (STFT) is applied to the azimuthal signals to get the instant Doppler frequencies (IDFs), from which one can judge acceleration or deceleration status of the moving train. Electromagnetic scattering characteristics of the train are analyzed according to the SAR images. The estimated speed and length of the train are very well agreed with real situation.
Citation
Yunhua Zhang, Wenshuai Zhai, Xiangkun Zhang, Xiaojin Shi, Xiang Gu, and Yuan Deng, "Ground Moving Train Imaging by Ku-Band Radar with Two Receiving Channels," Progress In Electromagnetics Research, Vol. 130, 493-512, 2012.
doi:10.2528/PIER12060201
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