Combining a frequency-scanned antenna and a short-pulse radar for 2-D imaging
Antennas and Propagation Society International Symposium（2014）
摘要
A frequency-scanned microstrip leaky wave antenna (MLWA) is combined with a short-pulse radar to achieve real-time range-azimuth imaging of a scene. The antenna is designed to have a narrow scanning beam across the bandwidth of the radar. The direction-finding capability is verified through measurement and full-wave simulation. An imaging algorithm based on the short-time Fourier transform is developed. Line-of-sight and through-wall images of a moving human are presented to demonstrate the performance of the system.
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关键词
fourier transforms,image motion analysis,leaky wave antennas,microstrip antennas,radar imaging,radio direction-finding,2d imaging,mlwa,direction-finding capability,frequency-scanned microstrip leaky wave antenna,full-wave simulation,line-of-sight,moving human,narrow scanning beam,real-time range-azimuth imaging algorithm,short-pulse radar,short-time fourier transform,through-wall images
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