Passive magnetic detection specific target identification method based on discrete Meyer wavelets

Passive magnetic detection specific target identification method based on discrete Meyer wavelets

The invention discloses a passive magnetic detection specific target identification method based on discrete Meyer wavelets, and the method comprises the steps: processing a high-frequency noise signal through a low-pass filter circuit, and sampling an obtained digital magnetic signal; adopting a PC...

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Hauptverfasser: GU FAN, LI HONGXIA, XU GUANGBO, ZHA BINGTING, XUN YOUSHI, ZHANG HE, HUANG JINBO, ZHENG ZHEN, WANG CHENGJUN, ZHOU YU, YUAN HAILU
Format: Patent
Sprache:chi ; eng
Schlagworte:
DETECTING MASSES OR OBJECTS
GEOPHYSICS
GRAVITATIONAL MEASUREMENTS
MEASURING
PHYSICS
TESTING
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creator GU FAN
LI HONGXIA
XU GUANGBO
ZHA BINGTING
XUN YOUSHI
ZHANG HE
HUANG JINBO
ZHENG ZHEN
WANG CHENGJUN
ZHOU YU
YUAN HAILU
description The invention discloses a passive magnetic detection specific target identification method based on discrete Meyer wavelets, and the method comprises the steps: processing a high-frequency noise signal through a low-pass filter circuit, and sampling an obtained digital magnetic signal; adopting a PCA algorithm to obtain an adaptive scale function, carrying out dimension reduction processing on magnetic signal data of a ferromagnetic armored target in a database to obtain k-dimensional data, obtaining the size of the corresponding scale function, and achieving fast discrete wavelet transformation of a Meyer wavelet multi-scale function; extracting different frequency band signal characteristics of the magnetic signal, designing a bilateral filtering decision index distribution algorithm, and obtaining decision indexes of the different frequency band magnetic signal characteristics; establishing a multi-signal fusion model, firstly accumulating judgment indexes obtained by single-axis different-frequency-band m
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subjects DETECTING MASSES OR OBJECTS
GEOPHYSICS
GRAVITATIONAL MEASUREMENTS
MEASURING
PHYSICS
TESTING
title Passive magnetic detection specific target identification method based on discrete Meyer wavelets
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