Device and method for obtaining relevant parameters of aviation superconductive full-tensor magnetic gradient measuring system

Abstract

The invention relates to an aviation geophysic magnetic type exploration data processing method. The method is characterized in that the baseline direction unit vectors and sensor plane normal vectors, corresponding to an inertia navigation coordinate system, and the sensor plane normal vectors, corresponding to a three-component magnetic instrument coordinate system, of five plane superconductive magnetic gradient sensors can be accurately obtained, and then the premise is provided for accurately obtaining five independent components of a full-tensor magnetic gradient corresponding to a geographic coordinate system; the five independent components of the full-tensor magnetic gradient are calculated by a coordinate system conversion method, the middle process of calculating the attitude angles, corresponding to the coordinate system, of the five plane superconductive magnetic gradient sensors is not needed, the inertial navigation coordinate system is used as the coordinate system of the measurement system, and the attitude data measured by inertial navigation are converted by the one-time coordinate system, so as to obtain the five independent components of the full-tensor magnetic gradient corresponding to the geographic coordinate system. The method has the advantages that the calculation difficulty is decreased, the calculation efficiency is improved, and the method is more suitable for measuring the attitude time varying of measuring platforms, such as aviation magnetic measuring.

Description

Technical field: [0001] The present invention relates to a data processing method for airborne geophysical magnetic exploration, especially a device and method for obtaining related parameters of an airborne superconducting full tensor magnetic gradient measurement system. The airborne superconducting full tensor magnetic gradient measuring system adopts superconducting full The magnetic gradiometer is equipped with a three-component magnetometer, inertial navigation and GPS global positioning system to measure five independent components of the full tensor magnetic gradient relative to the geographic coordinate system. Background technique: [0002] The airborne full tensor magnetic gradient measurement system is the latest generation (third generation) airborne magnetic measurement system. Compared with the first-generation airborne scalar or single-component magnetic measurement system and the second-generation airborne magnetic vector data measurement system, this The sy...

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Problems solved by technology

[0018] The purpose of the present invention is to solve the problem that the method for calculating the five independent components of the full tensor magnetic gradient adopted by the superconducting full tensor magnetic gradiometer of the tensor measuring probe composed of a planar superconducting magnetic gradient sensor is not suitable for aviation full sheet In the case of quantum magnetic gradient measurement, a method for obtaining five independent components of the full tensor magnetic gradient relative to the geographic coordinate system is provided, which is suitable for the measurement of the full tensor magnetic gradient of the aeronautical superconducting

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