Shipborne gravity measurement method based on PPP technology
A measurement method and technology, applied in the direction of measuring devices, gravitational field measurement, geophysical measurement, etc., can solve the problems of increasing user operating costs and limited working distance, so as to improve operating efficiency, reduce operating costs, and ensure measurement accuracy Effect
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[0018] The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
[0019] A ship-borne gravity measurement method based on PPP technology is aimed at the disadvantages of traditional ship-borne gravity measurement based on GPS differential positioning mode, and proposes the use of PPP technology (precision single-point positioning technology) for ship-borne gravity measurement operations. The main equipment installed on the berth includes GPS antenna and receiver, gravimeter, electronic compass, etc. The operation requirements are as follows:
[0020] 1. The gravimeter and dual-frequency GPS antenna are installed in a straight line. Before measuring, measure the distance from the gravimeter to the GPS antenna; if it is difficult to install the gravimeter and dual-frequency GPS antenna on a straight line, you must measure the gravimeter to the GPS The plane relative distance (dx, dy) and vertical distance of the a...
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