摘要
针对主动式毫米波近距离圆柱扫描三维成像系统在人体安检中的应用,研究了该体制成像系统下的重构算法,给出了该系统中信号的带宽、采样准则以及在三维直角坐标系下的系统分辨率评估方法。基于微波暗室条件下获取的高质量回波数据验证了该体制成像系统理论上的正确性,并在此基础上搭建了高速的主动式毫米波近距离圆柱扫描三维成像人体安检系统,验证了该体制成像系统在人体安检领域应用的可行性和检测能力的有效性。
In terms of the application of the active millimeter-wave near-field cylindrical scanning three-dimensional imaging system in human security,the reconstruction algorithm of the system is researched.The bandwidth of the signal,the sampling criteria and the evaluation method of the resolution in the three-dimensional rectangular coordinate of the system are presented.The high quality echo data is obtained in the anechoic chamber to verify the validity of the imaging system in theory.Based on the experiments,the high speed active millimeter-wave near-field cylinder scanning three-dimensional imaging human security system is set up to verify the application feasibility and the effectiveness of detection capability of the imaging system in the field of human security.
出处
《系统工程与电子技术》
EI
CSCD
北大核心
2014年第6期1044-1049,共6页
Systems Engineering and Electronics
关键词
毫米波
圆柱扫描
合成孔径
三维成像
millimeter-wave
cylindrical scanning
synthetic aperture
three-dimensional imaging
