Main task of this dissertation is designing a multi-beam lens antenna to both improve the resolution and reduce the imaging time of the passive millimeter-wave imaging system.
本文的主要任务是针对提高毫米波无源成像系统的分辨率和减小成像时间而设计一个多波束透镜天线。
Conventional AgX imaging system on the contrary can achieve a high resolution, but needs a long processing time and cannot directly link with the computer.
常规卤化银成像系统，分辨率高，但完成图像制作过程长，又与计算机不能直接匹配。
Under the conditions of meeting the real time imaging and given resolution, the algorithmic speed required by the system is analyzed. And an improved FFT algorithm and its implementation are given.
在满足实时成像和一定分辨率的条件下，分析了系统对运算速度的要求，提出了一种改进的快速傅里叶算法及其实现方法。
With the system towards the large bandwidth, high-resolution, signal processing real-time direction, SAR raw signal has a high data rate, so a higher demand is raised to real-time imaging system.
随着系统向大带宽、高分辨率、信号处理实时化的方向迈进，回波的数据率越来越高，因此对实时成像处理系统提出了更高的要求。
With the system towards the large bandwidth, high-resolution, signal processing real-time direction, SAR raw signal has a high data rate, so a higher demand is raised to real-time imaging system.
随着系统向大带宽、高分辨率、信号处理实时化的方向迈进，回波的数据率越来越高，因此对实时成像处理系统提出了更高的要求。
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