GNSS high precision positioning method for intelligent terminal
A technology of intelligent terminal and positioning method, which is applied in the direction of satellite radio beacon positioning system, measuring device, instrument, etc., to achieve the effect of reducing measurement noise and improving calculation accuracy
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[0039] The present invention will be described in detail below with reference to the accompanying drawings and examples.
[0040] Such as figure 1 As shown, a kind of intelligent terminal-oriented GNSS high-precision positioning method of the present invention specifically includes the following steps:
[0041](1) At the beginning of positioning, on the one hand, it is necessary to obtain all kinds of original measurement information of the current GNSS systems from the Android system and calculate the original pseudorange, carrier phase, Doppler, carrier-to-noise ratio and pseudorange measurement uncertainty , carrier phase measurement uncertainty and other information required for positioning, and at the same time check the validity of the data to eliminate invalid data; on the other hand, it is necessary to obtain the precise satellite orbit, precise satellite clock difference and precise ionosphere from the server through the network PPP enhancement information. (2) Then...
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