Guided wave pulse echo detection method for corrosion damage of grounding flat steel in different soil environments

Guided wave pulse echo detection method for corrosion damage of grounding flat steel in different soil environments

The invention discloses a guided wave pulse echo detection method for corrosion damage of grounding flat steel in different soil environments. The method comprises the following steps: S1, acquiring guided wave pulse echo signals of grounding flat steel samples with different corrosion degrees in di...

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Hauptverfasser: JIN ZHE, HU KA, SUN ZHONGHUI, HOU XINWEN, REN BIN, ZHANG ZHIGUO, SHI WEIJUN, DONG XIAOHU, LIU JICHENG, CHENG SHENG, GAO BEICHEN, FANG CHUNHUA, SHANG QIXIANG, SHI WEIWEI, LYU JUNJIE
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Sprache:chi ; eng
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INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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creator JIN ZHE
HU KA
SUN ZHONGHUI
HOU XINWEN
REN BIN
ZHANG ZHIGUO
SHI WEIJUN
DONG XIAOHU
LIU JICHENG
CHENG SHENG
GAO BEICHEN
FANG CHUNHUA
SHANG QIXIANG
SHI WEIWEI
LYU JUNJIE
description The invention discloses a guided wave pulse echo detection method for corrosion damage of grounding flat steel in different soil environments. The method comprises the following steps: S1, acquiring guided wave pulse echo signals of grounding flat steel samples with different corrosion degrees in different soil environments; s2, collecting a guided wave pulse echo signal in the grounding flat steel to be detected; s3, features of the guided wave pulse echo signals of the to-be-detected grounding flat steel and the pulse guided wave echo signals of the grounding flat steel samples are extracted respectively, and a grounding flat steel corrosion defect echo feature set is obtained; and S4, performing fuzzy clustering on the obtained grounding flat steel corrosion defect echo feature set through prior experience, and iteratively updating a clustering center and a membership matrix by using a fuzzy C-mean algorithm to converge an objective function to obtain a final clustering center and a final membership matrix
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title Guided wave pulse echo detection method for corrosion damage of grounding flat steel in different soil environments
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