2) Admittance circle
导纳圆
1.
Three pairs of frequencies can be obtained as measuring the admittance circle of a piezoelectric crystal.
测量压电晶体的导纳圆可以得到3对频率,用这些频率可分析超声马达、换能器以及压电器件的振动模态及其频率特征。
2.
In this article we introduce the equivalent circuit of piezoelectric transducer and the method of measuring its admittance circle,which are very important in determining the impedance matching between piezoelectric transducer and its electric circuit.
本文对压电换能器的等效电路及导纳圆测定方法进行了介绍 ,对于提供压电换能器与所在电路间的阻抗匹配有重要意义。
3.
The concept of generalized admittance circles(GAC)is presented based onthe analysis of the cole-cole plot, admittance circles of piezoelectric vibrator andcomplex impedance of granular boundary ceramics.
用广义导纳圆综合了Ｃｏｌｅ－Ｃｏｌｅ图、压电振子导纳圆、晶界层陶瓷复阻抗分析等各种方法，从而可以更正确地得出电介质测量中的许多有用信息。
3) admittance circle diagram
导纳圆图
1.
The device parameter as well as resonance frequency,mechanical quality factor and work band width were determined by the equiv- alent circuit input impedance admittance circle diagram.
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。
4) centres of imitate circles
拟合圆圆心
5) Circumferential line mobility
圆周线导纳
6) elliptic fitting
椭圆拟合
1.
To avoid these defects,using elliptic fitting technique,a non-contact real-time measurement system based on grid strain was established.
本文利用椭圆拟合技术,建立了基于应变网格的非接触实时检测系统,实现了金属材料在加载过程中长度和宽度应变的实时测量。
补充资料：导纳圆图
见阻抗圆图。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条