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The result shows that in order to obtain the strong echo signal, a suitable selection of the ultrasonic transducer operating frequency is necessary.
由此表明,选择合适的声发射换能器,有助于提高液位检测回波信号的强度。
The operating principle, the designing and fabricating method of optic fiber magnetostrictive transducer are introduced in the thesis.
本文介绍了磁致伸缩换能器的原理和设计制作方法。
The result shows, under different vibration mode, equivalent parallel capacitance and resistance are not constant value. There is negative damp effect in transducer system at the operating mode.
结果表明,在换能器不同振动模态下,等效并联电容电阻并非恒定值,而且实际支承工况下换能器系统工作时存在负阻尼效应。
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