Method for measuring Beidou inter-frequency deviation based on parabolic antenna observation
A parabolic antenna, inter-frequency deviation technology, applied in the estimation field of navigation satellite inter-frequency deviation, can solve the problems of affecting the calculation accuracy of inter-frequency deviation, small gain of omnidirectional antenna, poor anti-multipath ability, etc. Deviation solution accuracy, high gain, good directionality
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[0030] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, and the present invention includes but not limited to the following embodiments.
[0031] The invention provides a Beidou inter-frequency deviation measurement method based on parabolic antenna observation. Aiming at the problem that the parabolic antenna can only observe one satellite at the same time, the present invention uses a polling method for observation. Compared with omnidirectional antennas, parabolic antennas have higher gain and stronger anti-multipath capability. If the parabolic antenna is used to observe the navigation satellite, the multipath effect can be effectively reduced, the signal-to-noise ratio can be improved, and then the signal quality and ranging accuracy can be improved, so as to obtain higher-precision inter-frequency deviation products. Therefore, the present invention plays an important role in promoting the development o...
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