介绍了电度表的耐振试验、谐波试验、电压和温度试验的误差数据。
It also introduces the error values of shockproof test, harmonic test, voltage and temperature test.
分析了用运算放大器组成正弦波振荡电路的起振条件和输出电压幅值的调节及选频网络的构成。
This paper is involved in the analysis of oscillation starting condition, output voltage amplitude adjustment, and frequency selection network composition of sinusoidal coave oscillation circuit.
本文通过分析预焙槽针振与电压摆的原因及特征，提出预防和处理措施。
The paper put forward the precautions and measures after the causes and their characters of cell voltage vibration and swing were analyzes.
研究结果表明，当悬臂梁压电振子处于谐振频率状态下振动时，输出电压和功率达到最大。
The results showed that the output voltage and power were maximum at the resonance frequency.
介绍了压电陶瓷换能器产生和接收超声波的工作原理，当输入电压的频率为借振频率时，超声波在介质中产生的驻波最强。
The principle of producing and receiving ultrasonic wave with the piezoelectric ceramics transducer is introduced. Standing wave is strongest when voltage frequency is resonance.
介绍了压电陶瓷换能器产生和接收超声波的工作原理，当输入电压的频率为借振频率时，超声波在介质中产生的驻波最强。
The principle of producing and receiving ultrasonic wave with the piezoelectric ceramics transducer is introduced. Standing wave is strongest when voltage frequency is resonance.
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