您要查找的是不是：
- In addition measure range what the high power of 83750 and low harmonic function still increased scalar quantity system without parasitism trends. 此外83750的高功率和低谐波机能还增大了标量系统的无寄活跃态测量规模。
- Study on Double- layer Low Harmonic Concentrated Winding 双层同心式低谐波绕组研究
- The experiment results indicate that the UPS using high frequency PWM rectifier has the characteristics of low harmonic current and high input power factor ,and has a good future. 实验结果表明 ,采用PWM整流电路的不间断电源具有注入电网的谐波电流小、输入功率因数接近 1等优点 ,是一种很有发展前途的不间断电源。
- To achieve low harmonic distortion and fast response, the single-phase full-bridge power converter adopts sinusoidal pulse-width modulation (SPWM) unipolar switching technique. 在单相全桥直流-交流功率转换器方面采用正弦脉波宽度调变单极性电压切换技术，具有低谐波失真及快速响应之性能。
- 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。
- A filter with a tuning frequency more than 10% below the lowest harmonic frequency with considerable current/voltage amplitude. 在相当大的电流/电压幅值时.;滤波器的调谐频率比最低值的谐波频率还要低10%25以上
- The hybrid technique is simple, easily realizable, and offer fast convergence.The inverter switching method is Space Vector PWM which makes the lower harmonic losses. 此控制方式的优点为简单、易实现及有较佳的收敛时间，再配合上电压空间向量波宽调变技术，使切换损失达到最小。
- NJG1634LK5 is a GaAs SP6T antenna switch module for GSM900 / GSM1800 / CDMA800 / CDMA1900 handsets.This switch module features low harmonics, high IIP3 and low insertion loss. NJG1634LK5 是一款SP6T天线开关，主要适于用于SM900/GSM1800/CDMA800/CDMA1900的4频段移动电话，具有低谐波、低插入损耗和高IIP3等特点。
- The pulse area modulation mode in the fields of high power factor convertor was applied to current source inverter,the lower harmonic waves in output current is effectively controlled. 把高功率因数变换器领域中所研究的脉冲面积调制法引入到电流逆变器的控制中，有效地抑制了输出电流中的低次谐波。
- A NOVEL LOW HARMONIC CONTENT SVC AND ITS APPLICATION 新型低谐波静止无功补偿器及其应用
- Calculation for Harmonic Winding Potential ofTooth Harmonic Brushless Exciting Generator 齿谐波无刷励磁发电机谐波绕组电势计算
- The government is trying to keep a low profile on this issue. 政府力图在这个问题上保持低姿态。
- The singer forced his low notes. 那位歌手勉强唱出低音。
- He because of bashful but low head. 他因羞愧而低下了头。
- The ship lay keeled over at low tide. 那艘船因退潮而倾覆。
- My home town lies low in a hidden valley. 我的家乡位于一个隐蔽的山谷里。
- Low grades are getting Hellen down. 低分数使海伦闷闷不乐。
- The winding bridge has low balustrades. 曲桥设有低栏杆，西湖上的九曲桥就属此桥。
- After a brief rally share fall back to a new low. 股票经过一次短暂回升后回落到一个新的低点。
- Talking in a low voice were a man and a woman. 低声讲话的是一男一女。
