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1·The experimental results show that the matching circuit is effective.

实验验证该匹配电路是有效的。

2·The impedance matching circuit adopts the capacitance in chip and inductance in chip.

阻抗匹配电路采用片上电容和片上电感。

3·The method is worthy of learning for designing broad band power amplifier matching circuit fast and accurately.

此方法对快速有效地设计宽带功率放大器匹配电路有着很好的借鉴作用。

4·Since ultrasonic transducers' property, the matching circuit embodys two parts:One is power matching , the other is attune matching.

由于超声波换能器的特性，超声波清洗机中的匹配电路包含两个：一个是功率匹配，一个是调谐匹配。

5·The impedance matching circuit includes a first pull-down resistance unit, a first pull-up resistance unit, and a code generation unit.

所述阻抗匹配电路包括第一下拉电阻单元、第一上拉电阻单元和码产生单元。

6·This paper discussed the matching circuit of ultrasonic transducer and the matching relationship , and we have done some relevant experiment;

该文讨论了压电换能器的各种匹配电路及其匹配关系并进行了相关实验；

7·First, we analyse the power amplifier in theory in the circuit mode, biasing point linearity, thermal stability, input and output matching circuit.

论文首先从理论的方面对放大器的设计进行分析，对放大器的电路模型、偏置点、线性、热稳定性、输入输出匹配进行理论上的分析。

8·The second amplifying device is connected to the summing node via an output matching circuit and a second impedance transformer containing a transmission line.

所述第二放大装置经由 输出匹配电路以及包含传输线的第二阻抗变换器连接到所述求和结 点。

9·The theory and the experiment show that the matching circuit composed of an inductor and a capacitor can change the resonant frequency and the effective electromechanical coupling coefficient.

理论与实验表明，由电感和电容组成的匹配电路，使换能器的共振频率发生了变化。

10·In microwave circuit and aerial system, impedance matching is very important.

在微波电路和天线系统中，阻抗匹配是十分重要的问题。