Therefore, Calculation of brightness temperature on the pupil of antenna is the key issue of the external calibration of the microwave radiometer on-board satellite.
因此,外定标的关键工作是计算天线入瞳处亮温真值。
参考来源 - 微波辐射计外定标方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
External calibration is key method used for spaceborne SAR antenna onboard measurement.
天线外定标是实现星载SAR天线方向图在轨测试的主要手段。
Provisions are made for normalizing peak widths, combining internal and external calibration, and using selected measured peaks as standards.
为归一化峰宽度、组合内 部和外部校准、以及使用选择的测量峰作为标准采取措施。
Calibration processing is one of the key parts of SAR calibration system, responsible for the processing of both internal and external calibration data.
定标处理系统是SAR定标系统中的关键部分之一，负责内、外定标测试数据的处理。
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