Gravity reference network data processing method and system

A data processing system and data processing technology, applied in the computer field, can solve problems such as the inability to meet the requirements of high-precision gravity benchmarks, and achieve the effect of improving the accuracy of data processing

Pending Publication Date: 2021-06-29
CHINESE ACAD OF SURVEYING & MAPPING
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Problems solved by technology

It can be seen that the existing data processing methods of the gravity datum network cannot meet the needs of high-precision gravity datum

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  • Gravity reference network data processing method and system
  • Gravity reference network data processing method and system
  • Gravity reference network data processing method and system

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Embodiment Construction

[0042] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are the Some, but not all, embodiments are invented. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention. The method for processing the gravity reference network data provided by the present invention will be explained and illustrated in detail below through specific embodiments.

[0043] see image 3, involving the correction of the relative gravity measurement value; on the other hand, the correction of the absolute gravity measurement value (see (18) formula) and other tw...

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Abstract

The embodiment of the invention provides a gravity reference network data processing method and system. The method comprises the following steps of determining a first tidal factor; determining a second tidal factor; performing first correction processing on the relative gravity measurement data of a gravity reference network based on the first tidal factor to obtain the corrected relative gravity measurement data; performing second correction processing on the absolute gravity measurement data of the gravity reference network based on the second tidal factor to obtain the corrected absolute gravity measurement data; and performing adjustment processing based on the corrected relative gravity measurement data and the corrected absolute gravity measurement data. According to the embodiment of the invention, the tidal factor is taken as a variable to participate in data correction in consideration of different geographic positions, so that the influence caused by the earth tide factor is considered in data preprocessing, and the data processing precision of the gravity reference network is improved.

Description

technical field [0001] The invention relates to the field of computer technology, in particular to a data processing method and system for a gravity reference network. Background technique [0002] Gravity datum network is the gravitational starting datum of a country or region, and plays an important role in engineering applications and scientific researches such as earthquake monitoring, mineral resource development, and weapon launch. The field measurement involved in the construction of the gravity reference network needs a lot of manpower and material resources, and the observation data obtained are very precious. The deep processing of the data processing in the field is particularly critical. [0003] Gravity network data processing can be divided into two parts: data preprocessing and adjustment processing. Data preprocessing can be divided into absolute gravity measurement data preprocessing and relative gravity measurement data preprocessing. Data adjustment incl...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V7/06
CPCG01V7/06
Inventor 柯宝贵段敏燕董杰程鹏飞文汉江秘金钟赵予菲
Owner CHINESE ACAD OF SURVEYING & MAPPING
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