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为了获取不透明、非金属掩体后的人体目标信息,近年来非接触式探测技术得到迅速发展,超宽带(Ultra Wide Band, UWB)穿墙雷达(Through-Wall-Radar, TWR)凭借其强穿透能力、高距离分辨率、低成本和强环境适应力等特点,成为当前非接触式探测的主流方向。而TWR信号在穿透不同介质墙体时会产生不同程度的衰减和延时,这种衰减和延迟会影响TWR获取准确的目标位置信息,导致TWR参数补偿和探测性能降低,因此TWR墙体参数估计和补偿方法一直都是该领域的研究热点与难点之一。对近年来国内外TWR墙体参数估计与补偿的研究成果进行了详细分析,对墙体参数估计和补偿方法进行了总结与对比,并在此基础上对该领域未来的发展方向进行了展望。
Abstract：In order to obtain the information of human target behind opaque and non-metallic shelters, non-contact detection technology has been developing rapidly in recent years. Ultra Wide Band( UWB) Through-Wall-Radar( TWR) has become the mainstream of current non-contact detection because of its strong penetration ability, high range resolution, low cost and strong environmental adaptability. The signal of TWR will produce various degrees of attenuation and delay when penetrating walls made of different media. This attenuation and delay will affect TWR of obtaining accurate information of target position, thus leading to the degradation of parameter compensation and detection performance of TWR. Therefore, wall parameter estimation and compensation method of the through-wall-radar has always been one of the hotspots and difficulties in this research field. The research results of wall parameter estimation and compensation of TWR at home and abroad in recent years are analyzed in detail. Also,the wall parameter estimation and compensation methods are summarized and compared. Based on the above study,the development direction of the wall parameter estimation and compensation method in the future is proposed.
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基本信息:
DOI：
中图分类号:TN957.51
引用信息:
[1]肖骏,梁步阁,杨德贵等.穿墙雷达墙体参数估计以及补偿方法综述[J].无线电工程,2022,52(11):2023-2034.
基金信息:
国家自然科学基金(62171475)~~