| 摘要 |
A satellite tracking mode-selectable satellite antenna system is disclosed. In one embodiment, the satellite antenna system includes an antenna unit installed in a mobile body for receiving a satellite signal, a motor unit for rotating an oriented direction of the antenna unit, an outdoor unit (ODU) for driving the motor unit to orient the antenna unit toward a satellite, and an indoor unit (IDU) for controlling the ODU to orient the antenna unit toward the satellite. The satellite antenna system further includes a gyro sensor unit detachably installed in the mobile body for sensing motion of the mobile body. One embodiment of the invention is capable of selecting an in-motion mode of tracking and acquiring the initial position of a satellite and then continuously tracking the position of the satellite, or a positioner mode of tracking and acquiring the initial position of the satellite and then fixing the oriented direction of an antenna.
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