A new method and an experimental unit for realizing phase shift interferometry by means of spatial domain sampling is proposed.
提出了一种利用空域采样实现相移干涉计量的新方法和实验演示装置。
Radar imaging must obtain an extent of target spatial spectral-domain sampling, and the filling of spatial spectral domain is in direct connection with the quality of imaging result.
雷达成像需要获得目标空间谱域一定范围和密度的采样以重建目标图像，目标空间谱域的填充方式与雷达成像的质量有直接关系。
The traditional way is to obtain the sub-image by sampling the noised image in spatial or frequency domain, then calculate its variance to replace that of the original noise.
传统方法是通过空域或频域采样，得到该子噪声图像，然后直接对其估计方差，它对图像信息的分布有要求。
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