The calibration targets are larger than might have been expected, he said, suggesting that the satellite cameras they are being used to calibrate have surprisingly poor ground resolution.
校准目标有可能比预料的要大，他说，这表明被校准卫星上的照相机的地面分辨率是很低的。
The department of satellite design and the staff on the ground have conducted a way of thruster calibration execution in terms of the data of the attitude and the nutation principle.
卫星设计部门和地面工作人员根据卫星的特点，利用姿态数据及章动原理建立了一套标定推力器对称性的方法。
The earth simulator is an important ground simulation test and precision calibration equipment for infrared earth sensor which is the key component in the satellite controlling system.
地球模拟器是卫星姿态测量控制关键部件—摆动扫描式红外地球敏感器的一种重要地面模拟试验与精度标定仪器。
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