目前采用太阳漫射器的星上定标方法可以实现全视场、全孔径、端点到端点的定标。
At present, the use of a solar diffuser is a desirable approach to the on board absolute radiometric calibration. It provides a full aperture, full field and end to end calibration.
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。
After azimuth compression, the sub-apertures are arrayed and synthesized to offer a full-aperture resolution image.
建立了拼接检测计算的模型。利用最小二乘法计算得到拼接参数,从而恢复大口径光学元件的全孔径波前相位分布。
The calculation model is established based on the theory of the least-square method, and a set of testing equipment is designed.
从全极化合成孔径雷达(SAR)图像数据中,可提取方位向的地势倾斜度信息,形成极化SAR三维成像。
Terrain slope information may be drawn from polarimetric synthetic aperture radar (SAR) two-dimensional image, so that three-dimensional image can be generated.
流道孔径与阀门公称通经,基本相同的为全通径式;流通孔径比阀门公称通经小的称为缩径式。
Nominal diameter and flow valves, basically the same breath for full-bore type, Circulation than nominal diameter valve is given. it small called non-reducing type.
流道孔径与阀门公称通经,基本相同的为全通径式;流通孔径比阀门公称通经小的称为缩径式。
Nominal diameter and flow valves, basically the same breath for full-bore type, Circulation than nominal diameter valve is given. it small called non-reducing type.
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