A tide level measurement uncertainty evaluation method based on a GNSS ocean buoy
A technique for measuring uncertainty and standard uncertainty, used in special data processing applications, instruments, electrical digital data processing, etc.
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[0085] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.
[0086] The invention provides a method for evaluating the uncertainty of tide level measurement based on GNSS marine buoys, the specific embodiments are as follows:
[0087] Such as figure 1 The tide level measurement principle of the GNSS marine buoy shown is an example of a certain type of GNSS tide measurement buoy being tested at the Changzhou Island Wharf of the Guangzhou Nanhai Sub-bureau, and the tide level data is calculated according to the following method.
[0088] 1) The calculation of GNSS antenna phase center elevation adopts dynamic post-processing technology. The basic process is: use the precise ephemeris and clock error files provided by the International GNSS Service (IGS), and combine the IGS stations around the reference station to solve the coordinates o...
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