Depth reference plane geodetic height measuring method based on PPP (Point -to-Point Protocol) technology
A measurement method and geodetic height technology, applied in height/level measurement, measurement of the depth of open-air water sources, measurement devices, etc., can solve the problems of limited operating distance and increase user operating costs, so as to reduce operating costs, improve operating efficiency, The effect of ensuring measurement accuracy
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[0017] The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
[0018] A depth datum geodetic height measurement method based on PPP technology is aimed at the disadvantages of traditional bathymetry and GPS differential bathymetry operation modes, and proposes the use of PPP technology (precision single point positioning technology) for depth datum geodetic height measurement operations. The main equipment installed on the berth includes dual-frequency GPS antennas and receivers, depth sounders, electronic compasses, etc. The operation requirements are as follows:
[0019] 1. The transducer and the dual-frequency GPS antenna are installed in a straight line. Before measurement, measure the distance from the transducer to the GPS antenna and the static draft; if it is difficult to install the transducer and the dual-frequency GPS antenna in a straight line, then The relative distance (dx, dy) and vertical dist...
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