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Advanced detection method and system for nuclear magnetic resonance, and electronic equipment

A nuclear magnetic resonance, advanced detection technology, applied in the field of geophysical exploration, can solve the problem of low precision

Active Publication Date: 2017-09-19
WUHAN PURUITONG TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The embodiment of the present invention provides an advanced detection method, system and electronic equipment of nuclear magnetic resonance, which are used to solve the technical problem in the prior art that the detection accuracy of the distribution of water bodies is not high

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  • Advanced detection method and system for nuclear magnetic resonance, and electronic equipment
  • Advanced detection method and system for nuclear magnetic resonance, and electronic equipment
  • Advanced detection method and system for nuclear magnetic resonance, and electronic equipment

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Embodiment 1

[0061] This embodiment provides an advanced detection method of nuclear magnetic resonance, please refer to figure 1 , The method includes:

[0062] Step S101: Obtain the current detection signal of the nuclear magnetic resonance device;

[0063] Step S102: Obtain the nuclear function distribution information of the receiving coil of the nuclear magnetic resonance device according to the nuclear magnetic resonance forward calculation;

[0064] Step S103: According to the current detection signal, the kernel function distribution information, the pre-detected signal and the pre-obtained water content distribution, obtain the water content distribution of the area in front of the palm.

[0065] In the above method, because in the NMR advanced detection method, when calculating the water content distribution of the roadway, the pre-obtained detection signal and the pre-obtained water content distribution are used, and the difference between the detection signal and the detection result i...

Embodiment 2

[0105] Based on the same inventive concept as the first embodiment, the second embodiment of the present invention provides a nuclear magnetic resonance advanced detection system, please refer to figure 2 , The system includes:

[0106] The first acquired modulus, 201, is used to acquire the current detection signal of the nuclear magnetic resonance device;

[0107] The calculation module 202 is configured to obtain the nuclear function distribution information of the receiving coil of the nuclear magnetic resonance device according to the nuclear magnetic resonance forward calculation;

[0108] The second obtaining module 203 is configured to obtain the water content distribution of the area in front of the palm according to the current detection signal, the kernel function distribution information, the pre-detected signal and the pre-obtained water content distribution.

[0109] In the advanced detection system for nuclear magnetic resonance provided by the embodiment of the present...

Embodiment 3

[0124] Based on the same inventive concept as the first embodiment, the third embodiment of the present invention provides an electronic device. Please refer to Figure 5 , Including a memory 301, a processor 302, and a computer program stored on the memory 301 and running on the processor 302, the processor 302 implements the following steps when executing the program:

[0125] Obtain the current detection signal of the nuclear magnetic resonance device;

[0126] Obtaining the nuclear function distribution information of the receiving coil of the nuclear magnetic resonance device according to the nuclear magnetic resonance forward calculation;

[0127] According to the current detection signal, the kernel function distribution information, the pre-detected signal and the pre-obtained water content distribution, the water content distribution of the area in front of the palm is obtained.

[0128] For ease of illustration, Figure 5 Only the parts related to the embodiment of the pres...

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Abstract

The invention discloses an advanced detection method and system for nuclear magnetic resonance, and electronic equipment. The method comprises the steps: obtaining a current detection signal of a nuclear magnetic resonance device; calculating and obtaining the kernel function distribution information of a receiving coil of the nuclear magnetic resonance device according to the forward modeling of nuclear magnetic resonance; and obtaining the moisture content distribution of a front region of a tunnel face according to the current detection signal, the kernel function distribution information, an advanced detection signal and the pre-obtained prior information of an aquiclude. The invention solves a technical problem that the detection precision of water distribution is not high in the prior art.

Description

Technical field [0001] The invention relates to the technical field of geophysical prospecting, in particular to a method, system and electronic equipment for advanced detection of nuclear magnetic resonance. Background technique [0002] Nuclear magnetic resonance sounding technology (Nuclear Magnetic Resonance NMR) is widely used in the field of exploration due to its rich measurement information and direct interpretation. [0003] In the prior art, when using NMR technology for exploration, such as large underground projects such as tunnels, roadways, mines, etc., in order to ensure safety, the detection of the driving head needs to be carried out in sections, and the distance of the driving head is less than the detection depth, and then pass Analyze and calculate the information of each detection of the heading head to obtain the distribution of water bodies. [0004] When implementing the technical solution of the present invention, the inventor of the present application foun...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V3/14
CPCG01V3/14
Inventor 李静一史光荣李凡潘剑伟鲁恺黄学明陈琳洪涛
Owner WUHAN PURUITONG TECH
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