The coherence between inputted and received white noise is used to determined the presence or absence of flaws in a structure such as a joint. The strength of the joint is determined by integrating the coherence factor and observing the magnitude of the same.
申请公布号
US4979394(A)
申请公布日期
1990.12.25
申请号
US19880232167
申请日期
1988.08.15
申请人
NISSAN MOTOR CO., LTD.;TOKYO INSTITUTE OF TECHNOLOGY, REASEARCH LABORATORY OF PRECISION MACHINERY AND ELECTRONICS
