A bottom-based integrated detection device and detection method

Abstract

A bottom-mounted acoustic-electromagnetic integrated detection device, comprising a shell structure, in which there is a central instrument compartment, and the central instrument compartment is equipped with a power management module, a lithium battery, a data acquisition and processing unit, a communication module, three Component fluxgate sensors and attitude sensors; the top sensor support structure located at the upper part of the middle instrument compartment, the top sensor support structure is equipped with hydrophones, pressure sensors and electrodes, wherein the electrodes are located at the top sensor support structure directly above the center of the plane circumference; at the bottom of the central instrument compartment, there are three support arms for supporting the detection device on the bottom surface, and each support arm is equipped with an electrode, and the three electrodes are located at the same In the plane, they are evenly distributed according to the circumference, and two adjacent ones are set at intervals of 120°. The invention can simultaneously collect acoustic and electromagnetic signals at the bottom of the water, and output them after correction. The detection speed is fast, and the signal processing is fast and accurate.

Description

technical field [0001] The invention relates to a detection method based on a bottom-mounted integrated detection device, and more specifically relates to an integrated measurement device for extracting acoustic, electrical and magnetic features of an underwater target and realizing comprehensive positioning of the target. Background technique [0002] my country's marine three-dimensional detection methods are lacking, and an effective comprehensive network for underwater detection has not yet been formed. Problems such as insufficient space coverage, large blind areas, and high false alarm rates cannot meet the increasingly severe security needs. Especially for underwater targets, due to the lower level of physical field characteristics, the underwater propagation law is still unclear, and the background of underwater detection waters is complex, there are many interference sources, and the time-varying characteristics are obvious, which further increases the difficulty of ...

AI Technical Summary

Problems solved by technology

[0002] my country's marine three-dimensional detection methods are lacking, and an effective comprehensive network for underwater detection has not yet been formed. Problems such as insufficient space coverage, large blind areas, and high false alarm rates cannot meet the increasingly severe security needs.

Especially for underwater targets, due to the lower level of physical field characteristics, the underwater propagation law is still unclear, and the background of underwater detection waters is complex, there are many interference sources, and the time-varying characteristics are obvious, which further increases the difficulty of target detection. It is becoming more and more difficult for detection methods to effectively detect and find underwater targets

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