英汉例句

• the resonant tank coupled to the switching circuit receives the first ac signal and generating a second ac signal for powering a load.

  谐振回路耦合至开关电路，接收第一交流信号并产生第二交流信号以给负载供电。

• a continuity tester injects an ac signal into the conductors of a cable to find circuit faults.

  一个连续性测试器给电缆导线注入交流信号，从而找到电路故障。

• phase sensitive detector is designed to convert the weak ac signal into dc signal that is necessary for the data acquisition card.

  这两部分电路能将微弱交流低频信号转换成数据采集卡输入端所需要的直流信号。

• an arc due to an ac signal usually quenches itself as soon as the voltage level passes through zero.

  交流（ac）信号产生的电弧通常在电压通过零点时就会自己熄灭。

• when ac signal of microsyn output was demodulated to dc output, distribution capacitance may cause dc output self excitation.

  在交流信号被解调成直流输出时，分布电容易引起输出级自激。

• the circuit injects an ac signal on one wire of a cable and then looks for an absence of capacitive coupling to the other wires.

  电路在电缆的一条线中输入交流信号，然后寻找其他线中电容耦合的缺少。

• the paper introduces the measurement of ac signal the true effective value based on the average integral of the signal square.

  介绍信号平方后积分平均技术实现交流信号真有效值测量原理；

• brush type : ac signal applied to refrigerators (compressor).

  球型刷可适用于：空调冰箱（压缩机）。

• for ac voltage measurement, an rms converter circuit or a precision rectifier circuit convert the ac signal into a dc voltage.

  对于交流电压测量﹐利用有效值转换电路或精密整流器电路将交流信号转换成直流电压。

• as it is, however, it is affected by the computer timing error and the ac signal frequency drift in practice.

  从相关函数的基本原理出发，分析了频率偏移对信号测量準确度的影响。

• it is based on the principle of vector summation. using precision rectifier, the ac signal transfers into dc signal.

  它基于矢量求和的原理，使用精密的整流器，把交流信号转换成直流信号处理。

• the frequency at which the voltmeter's response to an ac signal drops to 70% is often denoted as the 「3db point」 (f3db).

  电压表对交流信号的响应降低到70%时的频率常常称为「3db点」（f3db）。

• compared with the injected s signal technique, this method is called low frequency ac signal injection method.

  交流注入信号频率本文选择60hz，相对与s信号注入法，称为低频交流注入法。

• by comparing the heating effect of an unknown ac signal to that from a known dc reference, metrologists can determine the rms ac quantity (voltage or current) in terms of the dc quantity.

  为了对比一个已知直流参考的未知交流信号热效应，计量人员可以确定在一段时间内直流的交流有效值（电压或电流）。

• the ac sampling is carried out testing the ac signal based on the certain regulation, and desired the values of the ac signal based on the certain mathematical method.

  交流采样是按一定规律对被测信号的瞬时值进行采样，再用一定的数值算法求得被测量的值。