Taking the composite insulator as a measurement sample, knowing the waveform conversion condition on the boundary, only a conventional longitudinal testing probe is needed to measure...

以复合绝缘子为测量样品，为提高测量横波的精度，根据超声波在边界上的波型转换条件，使用常规纵波探头对由掠入射纵波产生的横波进行测量。

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This paper deduces the errors sources from the process of ultrasonic longitudinal wave testing and evaluates its uncertainty.

本文分析了超声波探伤纵波检测的误差来源，评定了在探伤过程中的不确定度。

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Several testing methods were designed by the author to measure the longitudinal migration and distribution of fibres along the sliver, roving and yarn.

作者用自行设计的实验方法测定了棉条、粗纱、细纱沿纵向纤维按长度分布及转移的规律。

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