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Underwater magnetic anomaly detection system

A detection system and magnetic anomaly technology, applied in the field of magnetic detection, to achieve the effects of reducing complexity, high sensitivity, and reducing the amount of calculation

Pending Publication Date: 2020-12-08
北京海澳达科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the marine monitoring system based on magnetic detection is still in the initial stage of development. How to quickly and accurately detect and identify targets in the complex marine electromagnetic environment is still a difficult problem to be solved.

Method used

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  • Underwater magnetic anomaly detection system
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Embodiment Construction

[0032] For a better understanding of the application, various aspects of the application will be described in more detail with reference to the accompanying drawings. It should be understood that these detailed descriptions are descriptions of exemplary embodiments of the application only, and are not intended to limit the scope of the application in any way. Throughout the specification, the same reference numerals refer to the same elements. The expression "and / or" includes any and all combinations of one or more of the associated listed items.

[0033] It should be noted that in this specification, expressions of first, second, etc. are only used to distinguish one feature from another, and do not represent any limitation on the features. Accordingly, a first body discussed hereinafter may also be referred to as a second body without departing from the teachings of the present application.

[0034] In the drawings, the thickness, size and shape of objects have been slight...

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Abstract

The invention relates to an underwater magnetic anomaly detection system, which comprises a magnetic detector which comprises a watertight device, and a magnetism gathering probe and an acquisition processing and transmission module which are mounted in the watertight device; and information processing equipment which is used for receiving the magnetic anomaly data transmitted by the magnetic detector, and judging whether a target object enters the water area or not based on a known background magnetic signal of the water area and the input or locally stored magnetic fingerprint information ofvarious target objects. Whether a target object with a ferromagnetic shell enters a located water area or not can be detected through monitoring of underwater magnetic anomaly signals.

Description

technical field [0001] The invention relates to the technical field of magnetic detection, in particular, the invention relates to an underwater magnetic anomaly detection system. Background technique [0002] Magnetic sensors are widely used in modern industry and electronic products to measure physical parameters such as current, position, and direction by sensing the magnetic field strength and its distribution. In the prior art, there are many different types of sensors used to measure magnetic fields and other parameters, including magnetic sensors with Hall devices, anisotropic magnetoresistance (AMR) or giant magnetoresistance (GMR) elements as sensitive devices . TMR (Tunnel MagnetoResistance) is a new type of magnetoresistance effect sensor that has been applied in industry in recent years. It uses the tunnel magnetoresistance effect of magnetic multilayer film materials to sense magnetic fields. Magnetic tunnel junction (MTJ) is usually used to refer to TMR elemen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V3/08G01R33/10G01R33/09G01R33/02G01R33/00G01R33/12
CPCG01V3/08G01R33/10G01R33/098G01R33/0206G01R33/0041G01R33/12Y02A90/30
Inventor 徐海生范江玮蔡觉正
Owner 北京海澳达科技有限公司
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