推出了此类换能器的辐射阻抗。
The radiative imPedance on comPosite transducer was derived.
本文提出了以声脉冲管测量辐射头为方形的一种阵元(纵向振动换能器)的输入力阻抗的方法。
In this paper, a method of measuring the input mechanical impedance of the array element (longitudinal vibrating transducer) with square radiation head by using impulse sound tube is proposed.
而且，对于恒定额定功率设置的PZT换能器系统，温度的改变导致PZT换能器实际加载的功率及阻抗的改变。
Moreover, for the fixed power setting of PZT transducer, the temperature change can lead to difference in actual power and impedance of PZT transducer.
具有不同机械阻抗匹配器，为换能器提供了双调谐的特性。
The different mechanical impedance of matching means provide the double-tuned resonance characteristic to the transducers.
分析压电式超声波换能器的等效电路，并由等效电路输入阻抗的导纳圆图确定了换能器的元器件参数以及谐振频率、机械品质因数和工作带宽等特征参量。
The device parameter as well as resonance frequency, mechanical quality factor and work band width were determined by the equivalent circuit input impedance admittance circle diagram.
通过对负载条件下换能器阻抗的分析，研究了负载条件下换能器的工作规律。
In the way of analyzing the impedance of transducer with float, study on the work law of transducer with load.
声波测井换能器的激发响应由换能器振动时所表现出来的动态阻抗和激发电路参数决定。
Sonic transducer response is affected by the dynamic characters of electricity and mechanics of the sonic transducer.
计算了换能器的水中阻抗特性、发送电压响应等等。
The performances of impedance and transmitting voltage response of the transducer are analyzed.
在复合棒纵向换能器的辐射端加上适当材料的阻抗匹配层，可以使其工作在非单谐振状态下。
The non-single resonance characteristics appear by forming proper impedance matching layers on the radiative surface of longitudinal mode piezoelectric transducer.
在单层阻抗匹配层的情况下，合理地选择匹配层的厚度可以调整其谐振点之间的位置，从而改善换能器的辐射特性。
The places of resonance points can be adjusted, and the radiated characteristic of transducer with single matching layers was improved by choosing the length of matching layer reasonably.
文中详细介绍了PZT换能器阻抗的试验方法，并分析了试验结果。
The paper described in detail the experiment method and analysis result.
文中详细介绍了PZT换能器阻抗的试验方法，并分析了试验结果。
The paper described in detail the experiment method and analysis result.
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