通过时分MIMO噪声雷达的雷达层析成像

2015 Signal Processing Symposium (SPSympo) Pub Date : 2015-06-10 DOI:10.1109/SPS.2015.7168282

K. Lukin, P. Vyplavin, V. Palamarchuk, S. Lukin, V. Kudryiashov, E. Mischenko

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引用次数: 3

摘要

介绍了MIMO雷达层析成像的实现方法，并给出了基于ka波段噪声波形地面SAR的初步实验验证结果。采用时分型多输入多输出(MIMO)概念，结合宽带随机信号的距离分辨率，模拟二维孔径合成。两个线性合成孔径分别用于垂直和水平方向的发射和接收天线。雷达层析成像的距离分辨率由发射信号的功率谱宽度决定，而其横向距离分辨率由二维孔径尺寸决定。这使得在雷达断层扫描模式下生成三维相干雷达图像成为可能。

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Radar tomography via time-division MIMO noise radar

MIMO approach to implementation of radar tomography is described and preliminary results of its experimental validation using Ka-band noise waveform ground based SAR are presented. MIMO concept with time-division to of Tx/Rx channels is applied to emulate 2D aperture synthesis combined with range resolution due to wideband random signals. Two linear synthetic apertures have been used for transmit and receive antennas oriented in vertical and horizontal directions, respectively. Range resolution in radar tomography is determined by power spectrum width of the transmitted signal, while its cross-range resolution is defined by 2D aperture dimensions. This enabled generation of 3D coherent radar images in radar tomography mode.

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2015 Signal Processing Symposium (SPSympo)

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