摘要
介绍了用于探测人体隐蔽物体的毫米波焦面阵成像系统及毫米波全息成像系统;简述了利用合成孔径原理提高系统分辨率的毫米波全息成像系统的基本原理;着重分析了毫米波焦面阵成像系统的天线近场聚焦特性、空间分辨率计算、系统采样间隔选择、物体辐射特性等关键技术。该系统在探测人体隐蔽物体方面具有广阔的应用前景。
Millimeter wave focal plane array imaging systems and microwave holographic imaging systems for concealed weapon detection were introduced. Basic principle of improving resolution for microwave holographic imaging utilizing the principle of SAR was introduced. Some key technics of millimeter wave focal plane array imaging system such as near-field focal characteristics, calculation for spatial resolution, spatial sampling, and the object's radiating characteristic were analyzed. The system can be widely used for concealed weapon detection.
出处
《装备环境工程》
CAS
2008年第1期6-10,共5页
Equipment Environmental Engineering
关键词
毫米波成像
微波全息成像
焦面阵成像
聚焦天线
millimeter wave imaging
microwave holographic imaging
focal plane array imaging
focusing antenna