基于频率选择表面结构,提出了一种毫米波压缩感知成像方法,为压缩感知成像的硬件实现提供了研究途径.通过在频率选择表面单元中加载开关二极管,并随机控制它们处于开/关状态,仿真设计了一种可随机切换的新型毫米波成像掩膜板.把设计的随机掩膜板放置于毫米波天线上,构造出相应的随机测量矩阵并获取足够多的有效测量次数.结合压缩感知理论,利用恢复重构算法进行成像仿真验证,结果证实了所提方法的可行性,并能在较低采样率的情况下实现对原始图像的恢复重构.
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