和如果所述调制指数至少等于第一调制指数值，那么就利用第二电压失真补偿方法来修正所述信号。
The signal is modified utilizing a second voltage distortion compensation method if the modulation index is at least equal to the first modulation index value.
实验结果表明装置综合误差为0.1级，输出电压失真度小于0.5%，系统运行准确、数据传输可靠、操作方便及功能完善。
The running results show that the error of checking equipment is 0.1 and distortion is less than 0.5%. The system is simple, convenient, reliable in data transfer and accuracy control and so on.
双高速，电力，失真，电压反馈型放大器。
Dual High Speed, Power, Distortion, Voltage Feedback Amplifiers.
电路模拟证明这种简单结构具有很高的共模电压输入范围和很低的谐波失真。
This simple structure is proved through the SPICE simulation to have the very high common mode input voltage excursion and low harmonious distortion.
应用该测量系统测试高压电网中的谐波，可以避免因高压电网中取自电容式电压互感器（CVT）的谐波测量信号失真的问题。
The system can measure the harmonic in HV power network, and avoid the problem of harmonic measure signal distortion caused by capacity type voltage transformer (CVT).
该方法不仅能够对电压闪变信号进行不失真地包络检波，而且能够精确地检测电压闪变信号的时间和包络信号的频率分量及其幅度。
This method not only can achieve the distortionless envelope detection of voltage flicker, but also can detect the time, frequency and amplitude of the signal accurately.
也发现即使三相输入电压平衡，输入电流也存在失真现象。
It is found that the input current produces distortion even if the three-phase input voltages are balanced.
同时在电压外环中采用数字PID控制和重复控制相结合的复合控制策略，减小波形失真，改善动态特性。
Hybrid control strategy combining digital PID control and repetitive control is applied in the external voltage loop to achieve less waveform distortion and better dynamic performance.
它采用了电压闭环负反馈以及有效的PID调节环节和相应的超前校正环节，能保证很小的失真率和快速的动态响应能力。
The control circuit used very efficient PID modulation and anticipatory control so the power amplifier had little distortion and fast dynamic response.
质量包括电源电压的质量的能力的概念与有关，例如，电压下跌，不平衡，谐波失真，电压波动并且摇曳，等等。
The concept of power quality includes the quality of the supplying voltage with respect to, for instance, voltage sag, imbalance, harmonic distortion, voltage fluctuation and flicker, etc.
然后使用不同的调制方法对逆变器进行调制，并比较两种方法的优缺点，包括输出电压以及电流的总的谐波失真比率。
Two different modulation methods are used to modulate the inverter and their advantages and disadvantages are compared, including total harmonic distortion (THD) of voltage and current.
内部的功率因数校正（PFC）电路以临界导通模式（CCM）工作，可获得高功率因数、低总谐波失真（THD）及直流电压调整。
PFC circuitry operates in critical conduction mode(CCM)and provides for high PF, low THD and DC bus regulation.
实验结果证明，系统电动机电流的谐波失真较小，直流母线电压利用率比常规的正弦波脉宽调制（SPWM）有了较大的提高，功率器件的开关损耗较小。
Test results proved that the motor had lower current harmonic, more efficient use of DC supply voltage than SPWM, less switch loss of power switch.
实验结果证明，系统电动机电流的谐波失真较小，直流母线电压利用率比常规的正弦波脉宽调制（SPWM）有了较大的提高，功率器件的开关损耗较小。
Test results proved that the motor had lower current harmonic, more efficient use of DC supply voltage than SPWM, less switch loss of power switch.
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