After azimuth compression, the sub-apertures are arrayed and synthesized to offer a full-aperture resolution image.
方位向压缩后，将各子孔径数据按时间先后排序拼接、运算，合成出全孔径分辨率图像。
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This will only apply to those using full cameras, but using the widest aperture available to you will ensure the maximum level of light, allowing the majority of focus on the foreground.
A full description of the variable aperture collimator, which makes it easier to switch field size during CyberKnife procedures, is published in Physics in Medicine & Biology.