Multi-information fusion positioning method and apparatus
A technology of multi-information fusion and positioning method, applied in satellite radio beacon positioning systems, measurement devices, instruments, etc., can solve the problems of expensive inertial devices, time error accumulation effect, map matching failure, etc., to expand positioning coverage Scope, effect of high commercial value
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[0030] The technical solutions of the present invention will be further elaborated below with reference to the accompanying drawings and specific embodiments.
[0031] figure 1 It is a schematic flowchart of the multi-information fusion positioning method of the present invention, such as figure 1 As shown, the method includes the following steps:
[0032] Step 101, read satellite data, inertial navigation, and map data. Specifically:
[0033] When the system starts, the satellite processing module receives the satellite signal, and after the tracking channel is ready for the measurement value, it sends an interrupt to the processor. The processor reads measurement values from the tracking channel, and the measurement values include code measurement values and carrier measurement values. Read inertial navigation data and map data; select the positioning method according to the number of satellites and user settings, including satellite positioning, inertial navigatio...
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