Abstract: Sine ac signal is a very extensive application of the signal.
摘要：正弦交流信号是一种应用极为广泛的信号。
The switching circuit including a first switch and a second switch provides a first AC signal.
开关电路提供第一交流信号并包括第一开关和第二开关。
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。
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。
To calibrate the circuit, first disconnect or obscure the input photodiode so that A1A converts no ac signal.
为校准电路，首先断开或使输入光敏二极管变暗，以便A 1 A转换非交流信号。
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60 Hz，相对与S信号注入法，称为低频交流注入法。
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“3d B点”(f3dB)。
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。
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。
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；
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 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。
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。
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)。
Through discussing the samples of ac signal, the basic method to solve spectrum leakage is pointed out, which is to guarantee the same pace between signal frequency and sampling frequency.
通过对交流电信号采样的讨论，指出解决频谱泄漏的问题的基本方法是保证信号频率与采样频率同步。
This paper demonstrates an asynchronous sampling scheme, which can eliminate the restriction of the synchronous sampling requirement, for the measurement of the active power of the ac signal.
本文提出了旨在消除同步采样条件限制的交流信号有功功率测量的异步采样方法。
An analog signal is composed of four basic components: DC and AC magnitudes, frequency, and phase.
模拟信号由直流和交流分量、频率和相位四部分组成。
When the antenna receives a signal, the electromagnetic energy is converted from AC to DC.
当天线接收到信号时，电磁能量将从AC转换到DC。
Based on this new model, steady state DC analysis and small signal AC analysis can be used to analyse all kinds of converters.
基于新的模型，对各种直流开关转换器均能进行直流稳态分析和交流小信号分析。
For capacitive sensing, driving signal with DC bias voltage and ac voltage is usually necessary for the measurement of capacitance.
对电容式加速度计，为测量其电容的变化，通常需要带直流偏置的交流电压信号来驱动。
If the AC voltage at the input is large, part of this signal is rectified, producing an error in the DC signal being measured.
如果输入端的交流电压很大，其一部分信号被整流，于是在被测的直流信号中产生了误差。
The three analog signal types are the DC signal, the time domain (or AC) signal, and the frequency domain signal.
三种模拟信号分别为DC信号，时域(或ac)信号，以及频域信号。
Feedforward signal includes the information of both grid voltage and DC side load. Power balance between the input and output can be maintained by adjusting AC side currents.
前馈信号同时包含了电网电压和负载的信息，通过快速调节交流侧进线电流，使得系统功率平衡得以维持。
The operation modes of the interleaved double-transistor flyback converter have been analyzed. The DCM small signal AC model using the averaged switch method has been built up.
本文分析了两路交错并联双管反激变流器的工作模式，采用开关平均法建立了电流断续模式（DCM）下的变流器小信号模型。
On the basis of digital signal process and nondestructive testing, the effect of welding process on the frequency spectrum of the current signal in AC spot welding is analyzed.
在数字信号处理及无损检测的理论基础上，分析了焊接过程对电流信号频谱的影响。
It also focuses on the signal transmission, acquisition and calibration procedure of MSFL and DLL, AC, GR, 3506PCM, ML(3104) combination logging.
重点介绍微球与双侧向、声波、伽马、3506脉码、微电极（3104）组合测井中各种信号的传输、采集方法，刻度管理。
Auxiliary signal generator (AC) is a part of many control circuit of ion trap mass spectrograph.
辅助信号发生器(简称ac)就是离子阱质谱众多控制电路中的一部分。
ObjectiveTo analyze effects of AC-filter circuit on cardiac action potential signal.
目的分析交流干扰滤波器对心肌细胞动作电位信号的影响。
ObjectiveTo analyze effects of AC-filter circuit on cardiac action potential signal.
目的分析交流干扰滤波器对心肌细胞动作电位信号的影响。
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