We use the response waveform from the calibrating with step or steady sine current to calculate the transfer function of a seismometer.
介绍了利用地震计对阶跃电流标定或稳态正弦电流标定的响应波形获取地震计传递函数的方法。
Simulation and experimental results show that the proposed converter has sine wave input current and output voltage, low harmonic content, adjustable power factor, and zero voltage commutation.
仿真和实验结果表明：所提出的变换器输入电流和输出电压为正弦，谐波小且输入功率因数可控，并可实现零电压换流。
It's discussed that the method of RMS and frequency measurements directly from the wavelet transform data associated with each sampling sine voltage (current) element pair containing harmonic.
讨论了对含谐波的正弦电压(电流)采样值直接进行小波变换计算基波、谐波电压(电流)的有效值及频率的方法。
In this paper, based on the orthogonality of sine function, a detection approach of generalized reactive current suitable for both the single phase and three phase active power filters is presented.
本文根据正弦函数的正交特性，提出了一种既适用于单相也适用于三相有源电力滤波器的广义无功电流检测方法。
Both the computer simulation and model experiment prove that it can reduce the total harmonic distortion of the harmonic current from 30.53% to 9.45% and make the waveform approach to sine wave.
通过仿真和电路试验证明，该滤波电路能将电流畸变率由原来的30.53%降低到9.45%，从而使交流侧的电流接近正弦波。
The second part is to design the sine wave networks circuits which is composed of sinusoidal current source array and switches, current to voltage converter (I-V converter), two staged LPF, etc.
二是正弦波网络：主要包括正弦量化的电流源整列和开关网络，电流电压转换器，二阶低通滤波器；
The results indicate that the time evolution function of charge or current is the Jacobian elliptic function instead of a sine one, and the squeezing effect appears periodically in the circuit.
结果表明：电荷与电流的时间演化函数由雅可比椭圆函数替代，而且在电路中显示周期性压缩效应。
Then, the current of the paralleled branch coils excited by sine voltage is obtained by way of phasor.
然后，采用相量法求解出正弦电压激励下各并联支路的电流；
Though the efficiency can be enhanced when sine wave passes through non-linear loads, the sine wave distortion appears, and then harmonic current passes through loads.
虽然效率可以提高，当正弦波通过非线形载荷，正弦波失真出现，然后谐波电流通过负载。
The analysis of modulation wave theory has very important theoretical and actual meaning for studying non sine alternating current.
谐波理论分析对于非正弦交流电路的研究具有重要的理论和实际意义。
For sine wave, triangle wave, and square wave, the good performance of current output is proved by experiments.
经过实验验证，对于正弦波、三角波和方波，负载输出电流波形跟踪良好。
Meanwhile, the driver had the functions of constant current chopper, index movements frequency and sine wave equal-breadth even subdivision.
驱动器具有恒流斩波、指数升降频和正弦波等幅均匀细分的功能。
By digital adjustment with high precision on the DC bias of reference sine wave, the DC bias contained in inverter output voltage can be adjusted to restrain DC circulating current.
通过对逆变器基准正弦波直流分量的高精度数字调节，相应调节逆变器输出电压直流分量以抑制直流环流。
The rule of magnetic induction density, induced eddy current and electromagnetic force varied with high frequency sine exciting current was investigated.
利用瞬态分析方法，研究高频正弦激励电流密度在结晶器内钢液中产生的磁感应强度、感应电流及电磁力的变化规律。
The main circuit is consisted of 18 thyristors circuit and protection circuit. With the help of control subsystem, it can get the output of low frequency voltage (current) with the shape of sine wave;
主回路采用由18个晶闸管组成的三相零式电路，并辅以晶闸管的保护电路，通过控制可以得到低频正弦波的电压（电流）输出；
This is a single-phase measurement that multiplies the amplitude of fundamental current of a line by a sine signal which has the same phase with the current.
此方法属于单相检测法，先提取电网电流中的某相基波幅值，再将基波幅值乘以与该相电流同相位的正弦波，从而得出该相的瞬时基波电流。
The current response speed is proved to be faster, and the grid-connected current waveform is sine and the power factor is unity.
获得了较快的电流响应速度，实现了并网电流的正弦化和单位功率因数。
Power Factor Correction (PFC) technique make input current waves sine, improve efficiency of the system and reduce harmonic waves.
功率因数校正技术对输入电流进行校正，提高设备利用率，减少谐波对电网的污染。
In this article the equations of the instantaneous current, which take account of the thermal effect during a sine-shaped pulse current flowing in the magnet, are presented for the first time.
本文第一次建立了在一个正弦型脉冲通过磁体期间考虑热效应时的瞬态电流方程。
The Lateral motions of Articulated Lifting System under ocean current and wave are researched, by using sine mechanism and a string of naked cylinders.
采用正弦机构带动一串铰接连接的光体圆柱，模拟研究在海浪和海流作用下扬矿系统的横向运动规律。
The results proved that the improved resonant mode load current is close to sine wave. The energy transfer efficiency of transformer is improved by 3 percent, and the EMI is decreased.
理论分析和实验结果证明，负载谐振模式使负载电流波形接近正弦波，从而使变压器能量传输效率提高了3%，并减小了电磁干扰。
Even if it worked with three-phase sine, three-phase line current would have non-sine aberrance and produce harmonic wave-electricity.
即使在三相正弦激励的作用下，三相线电流也将发生非正弦畸变，产生谐波电流。
Output current is sine wave and does not include unnecessary high harmonic wave.
输出电流为正弦波，不包括多余的高次谐波。
This paper introduces a high performance sine wave current source (SSCS) based on DDS chip AD9833.
本文设计了一种基于DDS芯片AD9833的高性能正弦扫频式恒流源。
The steps of carrying on the method for measuring the life of luminescence are as follows:1 Use a sine alternate current with changeable frequency to stir up the sample;
该测 量发光寿命的方法的步骤：①用频率能够调节的正弦交流电激发样品；
The steps of carrying on the method for measuring the life of luminescence are as follows:1 Use a sine alternate current with changeable frequency to stir up the sample;
该测 量发光寿命的方法的步骤：①用频率能够调节的正弦交流电激发样品；
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