Method for selecting hybrid positioning or timing mode of navigational satellite
A mode selection and mixed positioning technology, which is applied in satellite radio beacon positioning systems, measuring devices, instruments, etc., can solve the problem of high power consumption of the system
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[0017] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0018] Since the working mode of the radio frequency front end of this system can be configured to support the working mode of all current satellite navigation systems, take GPS and Beidou 2 generation satellite navigation system as an example, for example: the signal frequency of GPS navigation satellite is 1575.42MHz, Beidou 2 The signal frequency of the first-generation navigation satellite is 1561.098MHz, and the difference between their center frequencies is 15M, so the system receives the GPS and the second-generation Beidou satellite in the sky through the external antenna 1 (compatible type ...
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