Estimation of porosity content of composite materials by applying discrete wavelet transform to ultrasonic backscattered signal

NDT and E International

Volumn 56, Issue , 2013, Pages 10-16

  Kim, Ki Bok ^a   Hsu, David K ^b   Barnard, Daniel J ^b  

^a Korea Research Institute of Standards and Science   (South Korea)

^b IOWA STATE UNIVERSITY   (United States)

Author keywords

Composite material; Discrete wavelet transform; Nondestructive evaluation; Porosity content; Ultrasonic backscattered signal

Indexed keywords

BACKSCATTERED SIGNAL; DECOMPOSITION ALGORITHM; HIGH FREQUENCY COMPONENTS; LOW-FREQUENCY COMPONENTS; NON DESTRUCTIVE EVALUATION; NON-DESTRUCTIVE EVALUATION TECHNIQUES; POROSITY CONTENTS; ULTRASONIC BACKSCATTERING SIGNALS;

AEROSPACE INDUSTRY; BACKSCATTERING; COMPOSITE MATERIALS; DISCRETE WAVELET TRANSFORMS; FREQUENCY BANDS; NONDESTRUCTIVE EXAMINATION; POROSITY; SIGNAL PROCESSING; STRENGTH OF MATERIALS; ULTRASONIC SCATTERING; ULTRASONIC TESTING;

LAMINATED COMPOSITES;

EID: 84874905540     PISSN: 09638695     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ndteint.2013.01.014     Document Type: Article

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