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一种扩大8mm波段综合孔径辐射计成像视场的方法

Keywords: 8mm,综合孔径辐射计,图像反演

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Abstract:

针对8mm波段综合孔径辐射计射频前端电尺寸较大、采用常规Y形阵列布局系统成像视场范围小的缺点,首先提出了一种星形天线阵列布局,它使可视度函数采样点之间的间隔变为天线单元间隔的一半,从而使系统的成像视场扩大到原来的两倍;然后,针对星形阵列可视度函数采样点缺失的问题,研究了背景对消与凸集投影相结合的图像反演算法,并进行了成像仿真.仿真结果验证了该反演算法的有效性.

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