Spacecraft navigation system for equivalent device of X pulsar detector
A navigation system and pulsar technology, applied in the field of effector, can solve the problems of lack of navigation processing and unreachable time, and achieve the effects of improving the accuracy of the time reference, increasing the resolution, and improving the equivalent accuracy
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[0036] like figure 1 As shown, the present invention includes a detector simulation part 1 , a real-time data processing part 2 , a navigation solution part 3 , a time unification system 4 and an X-pulse ephemeris storage system 5 . The specific hardware connection method is as follows: figure 2 shown.
[0037] The detector simulation part 1 is realized by a real-time simulation computer, which includes ABD Opteron processor, 3GHz main frequency; 1 piece of high-precision clock board, time precision ns level; 1 piece of serial port card, RS422 communication interface, the highest support 921.6Kbps baud rate, hard disk 120G. And it is connected with the unified time system 4 through the RS422 communication connection. The second pulse signal and UTC time generated by the external GPS are used as the time reference of the detection simulator. The X-pulsar ephemeris storage system 5 can be realized by utilizing the fixed space opened up by the hard disk in the real-time sim...
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