| 摘要 |
<p>A portable frequency spectrum digital satellite-tracking device is provided, which includes: a signal acquiring unit (101); an interface unit (104); a storage unit (103) for storing the satellite parameter information and the system parameter information, meanwhile prestoring the frequency spectrum of satellite, and reading out the data to compare and track the satellite in the course of frequency spectrum satellite-tracking; a main control unit (100) for controlling the component units in the digital satellite-tracking device, and coordinating the operation of each unit; a satellite signal receiving unit (102) for receiving the satellite antenna signal, frequency locking and decoding; a display unit (105) for displaying the man-machine interface, and playing video on a TFT LCD under the control of the main control unit (100); a power supply unit (106) for turning on/off the digital satellite-tracking device and supplying power steadily to the component units; and a decoding unit (107). The portable frequency spectrum digital satellite-tracking device has the power supply unit itself and can locate the satellite accurately.</p> |
