Digital wave synthesis, wave feedback technology, low power distortion.
数字波形合成，波形反馈技术，电源失真度低。
Thermal distortion of mirrors caused by high power CW laser radiation and pressure distortion by water-cooled back pressure have been measured using a Twyman-Green interferometer.
采用泰曼-格林干涉仪，测量了反射镜在高功率激光连续辐照下发生的热形变和镜背侧冷却水压造成的压力形变。
A high power filter (38) is located downstream of the power amplifier (20) and causes linear distortion.
大功率滤波器(38)位于功率放大器(20)的下游并引起线性失真。
The dual-reflex bandpass, due to the fact that its ports control cone motion over a wider range of frequencies, produces the least distortion and exhibits the best power-handling characteristics.
双反射带通箱，由于它的导向孔在很大的频率范围内控制了锥盆动作，所以产生的失真最小，同时还表现出最好的功率承受特性。
To clarify these misunderstanding and eliminate this distortion, we must return to the headstream of educative power in theory and seek after the validity in education itself.
要澄清这些误解、排除这一扭曲，必须从理论上回到教育权力的源头，即从教育本身去寻找其存在的正当性依据。
Linear power amplifier has low distortion and good linearity, but it has high loss and so low efficiencies.
线性功率放大器有失真小、线性好等优点，但是其损耗大，效率低。
It can achieve unity power factor and low current distortion.
它可以实现单位功率因数和低电流畸变。
The detection and control methods of distortion currents for active power filters are key factors affecting not only the compensation performance of APF, but also the extension application.
有源电力滤波器（APF）中畸变电流的检测与控制方法，不仅是决定其补偿性能的关键因素，而且也影响到APF的应用范围。
Through the parameters optimization, the power factor (PF) can be increased to95%and Total Harmonics Distortion (THD) can be decreased to below30%.
通过优化参数设置，可以使弧焊逆变电源的功率因数提高到95%，电流谐波畸变率低到30%。
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.
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。
On the basis of relationship between permanent distortion and thermal cycling number, we present mathematical model in terms of power function.
根据实测的永久变形与温度循环次数的关系，提出了一个幂函数的数学模型。
Experiment results showed that the correction device of power factor could realize high power factor, low harmonic distortion and low ripple of output voltage.
通过实验结果表明，单级功率因数校正装置可以实现较高的功率因数、较低的总谐波畸变，而且输出电压纹波小。
Adaptive baseband predistortion is an effective technique for compensating nonlinear distortion introduced by high power amplifiers.
自适应基带预失真技术是用于补偿高功率放大器非线性失真的一种有效技术。
The experiment results show input power factor, distortion factor, crest factor, total harmonic distortion and harmonic components.
给出了输入功率因数、畸变因子、峰值系数、总谐波畸变率和谐波分量的实验结果。
This material is suitable for low power signal transmission transformers (such as ADSL transformers), and can reduce harmonic distortion and improve transmission speed.
这种材料适用于低功率信号传输变压器（如ADSL 变压器），可以降低变压器谐波失真，提高传输速率。
Computer programs, which are used to analyze harmonics in a power system, will calculate the voltage distortion for given harmonic sources and a network configuration.
用计算机程序来分析功率系统的谐波，可以计算出给定谐波源和网络结构的电压畸变量。
By designing TDA7490 sine wave inverter power supply, we educed a method to design an inverter power supply with low distortion by using class-D on-off audio part.
通过对TDA7490的正弦逆变电源运用设计，尝试出一种利用D类开关音频器件设计低失真逆变电源的方法。
The control circuit used very efficient PID modulation and anticipatory control so the power amplifier had little distortion and fast dynamic response.
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 power system harmonic is the voltage sine wave of power system get distortion; electric locomotive power will have 0 to 50 harmonics.
电力系统的谐波是电力系统电压正弦波形产生畸变，电力机车用电会产生0次到50次谐波。
Linearizeation technology is now widely used in order to reduce the power amplifier nonlinear distortion without loss of efficiency.
为了在不损失效率的条件下降低功率放大器的非线性失真现在广泛采用了线性化技术。
And besides, under a large power angle condition, the magnetic field distortion will enlarge air-gap part of the main magnetic path and influence the value of the air-gap voltage ES.
而在功角较大状态下发生的磁场畸变则增长了主磁路经过气隙的部分，同样会影响合成电流产生气隙电势的大小。
Like the Morel woofers, the Dynaudio tweeter is designed for extremely high power handling coupled with low distortion and superior linearity at all power levels.
就像魔雷单元，丹拿高音单元的低失真和卓越线性度，在所有功率水平下都能表现。
The OFDM system has a major disadvantage that high peak to average power ratio (PAPR) can cause nonlinear distortion in the high power amplifier (HPA).
OFDM系统的一个主要缺陷就是峰平比过高引起的高功率放大器(HPA)的非线性失真。
The simulation results show that the speed ratio of the motor mostly affects the total harmonic distortion of the current and the displacement power factor.
仿真结果表明，电机转速比是影响交交变频轧机系统网侧基波功率因数与电流总畸变率的关键原因。
Adaptive digital predistortion is an effective technique which compensate nonlinear distortion introduced by the high power amplifier (HPA).
自适应数字预失真是补偿高功率放大器非线性的一种有效技术。
Since more and more nonlinear equipments have been used in the power supply network, the generated high harmonics current leads to waveform distortion of voltage and current in the supply network.
由于电网中非线性设备的使用日益增多，所产生的高次谐波电流大量注入电力线路中，使得电网电压、电流波形发生畸变。
Features: High power gain, low noise figure, very low intermodulation distortion.
特点：高功率增益，低噪声输出，非常低的。
The series active power filter (SAPF) can compensate the harmonic distortion caused by voltage type harmonic source.
串联型有源电力滤波器可较好地补偿电压源型谐波源。
The actualization of optimal power flow control of solar cell power system and the compensation of reactive power, harmonic distortion are discussed.
文中还讨论了太阳电池发电系统最佳功率流控制的实现方法以及补偿无功功率和谐波失真等问题。
The requirements are: the change of output signal is consistent with input signal, namely, low distortion; and the loss of the power amplifier is low, namely, high efficiency.
功率放大器两个基本要求：一是输出信号变化能够与输入信号的变化相一致，即：系统失真小：二是整个功率放大器的损耗低，即：系统效率高。
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