该文提出了一种新的基于距离向多孔径接收宽测绘带合成孔径雷达（SAR）成像方法。
A new imaging method is proposed for multi-aperture wide-swath Synthetic Aperture Radar (SAR) in this paper.
基于孔径接收的对数振幅时间相关函数，结合星地激光下行链路的实际情况，推导了适用于星地下行孔径接收的闪烁频谱表达式。
Based on the temporal covariance of logarithmic amplitude, analytical expression was obtained for aperture receiving power spectrum of atmospheric scintillation of satellite-to-ground downlink.
界面、超声散斑和超声接收探头之间的相对运动，导致界面孔径的改变。
The aperture of the interface is changed due to the relative motion of the interface with respect to the speckles and the receiving focus probe.
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