他们向卫星定向发出无线电信号。

They beamed the signal to the satellite.

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然后，基于某型小卫星的姿态控制问题，设计了高精度定向阶段的神经网络补偿控制器。

Then, base on the problem of attitude control of a satellite under development, we design a NN compensation controller for high accuracy orientation phase.

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为验证模型有效性，将其应用于某三轴稳定对地定向卫星姿态动力学仿真中，得到了相应的太阳光压干扰力矩曲线。

As illustration, these models are applied to an attitude control dynamics simulation of a three-axis stability satellite and the corresponding toques were plotted in curves.

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