一种改进的主动式近场毫米波成像算法An improved active near-field MMW imaging algorithm
何丰,陈艺,曹清亮,刘杰
摘要(Abstract)：
近年来在机场等公共场合屡屡发生恐怖袭击事件,一种安全有效的毫米波安检成像技术应运而生,但是该技术采用的传统波数域算法存在从加载后向散射数据到重建图像耗时较大,无法完全满足快速安检成像的要求。故提出一种改进的主动式近场毫米波成像算法,该算法对近场毫米波成像首先进行邻近聚焦再结合一致聚焦函数来代替传统的匹配滤波函数和插值部分,所提算法可提高成像效率,使其更具实用性。通过大量的仿真实验和实测实验证实了所提算法的高分辨率和图像保真度。
关键词(KeyWords)： 主动式毫米波;安检成像;波数域算法;近场;邻近聚焦;匹配滤波
基金项目(Foundation): 重庆市教委科学技术研究项目资助(KJ130507)~~
作者(Author): 何丰,陈艺,曹清亮,刘杰
DOI: 10.16652/j.issn.1004-373x.2018.07.013
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