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Method for measuring and calibrating Antarctic ship load capacity

A calibration method and gravity technology, which can be used in measurement devices, gravitational field measurement, geophysical measurement, etc., and can solve problems such as base point comparison that cannot be measured by shipborne gravity.

Pending Publication Date: 2020-07-14
SECOND INST OF OCEANOGRAPHY MNR
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  • Abstract
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Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a calibration method for Antarctic ship-borne gravity measurement, which can solve the problem that the base point comparison of ship-borne gravity measurement cannot be directly performed using the land reference point on the scientific research station

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  • Method for measuring and calibrating Antarctic ship load capacity
  • Method for measuring and calibrating Antarctic ship load capacity
  • Method for measuring and calibrating Antarctic ship load capacity

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Embodiment Construction

[0024] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0025] see figure 1 , the invention provides a kind of calibration method of Antarctic ship-borne gravity measurement, comprising the following steps:

[0026] S11: Establish the absolute gravity reference point in the polar region.

[0027] S12: Through a static test, check the zero-drift linearity of the relative gravimeter.

[0028] S13: Through the dynamic test, calculate the dynamic observation accuracy of the relative gravimeter.

[0029] S14: Calibrate the grid value of the relative gravimeter by the known point method or the tilt method.

[0030] S15: Use the triple small cycle measurement method to carry out joint gravity measurement between the gravity ...

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Abstract

The invention provides a method for measuring and calibrating Antarctic ship load capacity. The method comprises the following steps: constructing an absolute gravity reference point of a polar region; calibrating the grid value of the relative gravimeter through a known point method or an inclination method; carrying out gravity joint measurement between a ship gravity chamber and a station areaor wharf absolute gravity datum point; using the gravity joint measurement result of the ship gravity chamber as an absolute gravity value at the position of the ship gravity meter, and realizing thecalibration of polar region ocean ship load capacity measurement by correcting the height of the gravity meter and the sea level. According to the method for measuring and calibrating Antarctic ship load capacity, the problem that the land reference point on the scientific investigation station cannot be directly utilized to perform base point comparison of ship load capacity measurement can be solved.

Description

technical field [0001] The invention relates to the technical field of gravimetric measurement and calibration, in particular to a method for calibrating an Antarctic ship-borne gravimetric measurement. Background technique [0002] The maritime rights and interests in polar regions have increasingly attracted the attention of major countries. As a basic parameter, gravity measurement is of great value for scientific investigation, navigation, and resource exploration in polar regions. At present, the United States, Russia and other countries with relevant rights and interests in polar regions are at the forefront in the establishment of gravity measurement and traceability systems in polar regions. In contrast, my country is currently unable to trace the source of ocean gravity values ​​in polar regions, and lacks independent measurement capabilities. [0003] my country's Antarctic scientific research has been conducted for a long time, and the zero-point drift of the sh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V13/00G01V7/16
CPCG01V13/00G01V7/16
Inventor 袁园
Owner SECOND INST OF OCEANOGRAPHY MNR
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