Method for implementing split-second precision synchronism using spread-spectrum answering machine
A spread spectrum transponder and time synchronization technology, applied in the field of satellite measurement and control, can solve the problem of not finding reports and other problems, and achieve the effects of saving on-board resources, high precision, and ensuring accuracy
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[0027] The equipment participating in this method includes an on-board time reference device, a spread spectrum transponder, and ground measurement and control testing equipment. The on-board time Ts; the spread spectrum transponder adopts S-band spread spectrum transponder. The ground measurement and control test equipment is S-band spread spectrum measurement and control test ground equipment. The manufacturers include Beijing Telemetry Technology Research Institute, Shijiazhuang Communication Measurement and Control Technology Research Institute (CLP 54) and Southwest Electronic Technology Research Institute (CLP 10). Before introducing the method of the present invention, first briefly introduce the spread spectrum transponder in the above-mentioned equipment.
[0028] The S-band spread spectrum transponder used in the spread spectrum transponder in this embodiment is mainly composed of a receiving channel, a transmitting channel, a digital baseband, a lower computer, etc....
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