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一种面向水面纹理的毫米波LFMCW雷达成像算法

魏翔飞 种劲松 王小青 李原 孟辉

魏翔飞, 种劲松, 王小青, 李原, 孟辉. 一种面向水面纹理的毫米波LFMCW雷达成像算法[J]. 电子与信息学报, 2017, 39(5): 1030-1035. doi: 10.11999/JEIT160684
引用本文: 魏翔飞, 种劲松, 王小青, 李原, 孟辉. 一种面向水面纹理的毫米波LFMCW雷达成像算法[J]. 电子与信息学报, 2017, 39(5): 1030-1035. doi: 10.11999/JEIT160684
WEI Xiangfei, CHONG Jinsong, WANG Xiaoqing, LI Yuan, MENG Hui. Imaging Algorithm of Millimeter-wave LFMCW Radar for Water Surface Texture Detection[J]. Journal of Electronics & Information Technology, 2017, 39(5): 1030-1035. doi: 10.11999/JEIT160684
Citation: WEI Xiangfei, CHONG Jinsong, WANG Xiaoqing, LI Yuan, MENG Hui. Imaging Algorithm of Millimeter-wave LFMCW Radar for Water Surface Texture Detection[J]. Journal of Electronics & Information Technology, 2017, 39(5): 1030-1035. doi: 10.11999/JEIT160684

一种面向水面纹理的毫米波LFMCW雷达成像算法

doi: 10.11999/JEIT160684
基金项目: 

微波成像技术国家重点实验室基金(CXJJ_15S119)

Imaging Algorithm of Millimeter-wave LFMCW Radar for Water Surface Texture Detection

Funds: 

The Foundation of National Key Laboratory of Science and Technology on Microwave Imaging (CXJJ_15S119)

  • 摘要: 利用毫米波线性调频连续波(LFMCW)雷达探测水面时,静止目标的回波以及噪声通常会淹没水面本身的回波信号,导致采用传统成像算法得到的结果中难以看到水面波浪纹理。针对这一问题,该文提出一种面向水面纹理的毫米波LFMCW雷达成像算法,该算法在距离向上采用Dechirp技术进行距离压缩,在方位向上进行分块处理。方位向分块处理过程中,首先根据静止目标与运动目标回波多普勒频率不同的特性,在频域去除静止目标回波的干扰;然后基于水面电磁散射特性,采用最大似然估计方法估计方位向频谱参数,计算水面回波能量。采用该算法对实测数据进行处理,结果显示该算法能够获得水面纹理信息,成像结果优于传统成像算法。
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出版历程
  • 收稿日期:  2016-06-29
  • 修回日期:  2016-11-01
  • 刊出日期:  2017-05-19

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