To reduce of setup time of communication link and increase of acquisition probability for free-space optical
communication, the GPS technology is applied and the unidirectional acquisition experiment system, controlled by user
interface, is established with the control core of TMS320F2812. the coordinate from GPS is input to user interface by
manual, formed into the horizontal- and vertical- Angle to adjust based on the GPS coordinate and sent to F2812 for
driving of two-dimension platform to finish initial acquisition. The acquisition experiment is done many times and the
result show that the quick and high probability acquisition could be achieved based on GPS technology.
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