Three-way observation data processing method based on virtual station
A technology of data processing and virtual station, which is applied to measurement devices, radio wave measurement systems, and re-radiation, etc. It can solve the problem that the transmitting antenna and receiving antenna of the USB station are not together, so as to meet the requirements of calculation accuracy and achieve simple and fast calculation. Effect
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[0019] In this example, the measured Chang'e-2 (CE-2) USB ranging and speed measuring data are used, and the multi-satellite parallel high-precision orbit calculation software system (PASAX) independently developed by the State Key Laboratory of Aerospace Dynamics is used. The specific implementation method as follows:
[0020] Step 1: Refer to figure 1 , taking an uplink measurement and control station in the CE-2 project as the transmitting station R, and a downlink measurement and control station as the receiving station S, set the midpoint of the RS connection as the virtual station M, and calculate the coordinates of the M station. The actual observations are from 10:00 on May 1, 2011 to 12:00 on the same day. Station R transmits uplink, forwards through CE-2, and receives USB distance measurement and speed measurement data downlink at S station. The sampling rate is 5s; prepare for this time period The precise orbit of CE-2 serves as the basis for further calculations. ...
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