在任何时间点，如果太阳仰角或是太阳方位角的错误或是动量向量的错误超过容忍度时，那么ACS将会为了修正此问题而回到适当的模式。
At any point, if the sun elevation or sun azimuth errors or the momentum vector error exceeds tolerances, the ACS will return to an appropriate mode in order to correct the problem.
本文通过详细的数学推演，厘清了水平方位角与俯仰角测量耦合的关系。
This article clears the measuring coupling relationship between horizontal azimuth and pitch angles by detailed mathematical deduction.
当模式7在处理方位角错误时无法同时维持较小的仰角错误时，ACS会从模式7转换成模式3。
The ACS switches from mode 7 to mode 3 when mode 7 is not able to maintain a small elevation error while dealing with the azimuth error at the same time.
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