Wavelet analysis of plasma optical signals at pool penetration in laser welding

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 5642, Issue , 2005, Pages 403-411

  Fang, Junfei ^a   Li, Liqun ^a   Chen, Yanbin ^a   Wu, Lin ^a  

^a HARBIN INSTITUTE OF TECHNOLOGY   (China)

Author keywords

Continuous wavelet analysis; Discrete wavelet analysis; Laser welding; Optical signal

Indexed keywords

APPROXIMATION THEORY; CHARGE COUPLED DEVICES; FAST FOURIER TRANSFORMS; FEATURE EXTRACTION; LASER BEAM WELDING; NATURAL FREQUENCIES; OSCILLATIONS; PLASMAS; SET THEORY; SHIELDING; VIDEO CAMERAS; WAVELET TRANSFORMS;

CONTINUOUS WAVELET ANALYSIS; DISCRETE WAVELET ANALYSIS; OPTICAL SIGNALS; POOL PENETRATION;

SIGNAL PROCESSING;

EID: 20044392013     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.575353     Document Type: Conference Paper

References (6)

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