The high frequency noise contains current ripple noise and thermal noise.
高频噪声包括电流纹波与热噪声。
Secondly, the low duty cycle leads to the high voltage and current ripple, and enlarges the filter size.
整流输出的电压、电流脉动大，需要增大滤波器的体积；
Different from conventional two-level PWM switching power amplifier, the switching power amplifier can achieve current ripple reduction.
传统两电平脉宽调制电磁轴承开关功放的电流纹波较大，导致电磁轴承中产生的纹波损耗较大。
Experimental results show that this digital power amplifier has the characteristic of low current ripple, quick current response and high stability.
实验结果表明，数字功率放大器具有电流纹波小、稳定性能好和电流响应快等优点。
The influence on the power transfer and the current ripple with different turns ratio was researched. The experimental results verified the analysis.
文章研究了采用不同的正激、反激变压器匝比对传输功率的分配比例、电流纹波等影响，并进行了试验验证。
Considering the resistor of switch, resistor of inductance and current ripple of inductor, we could get ideal transfer function and non-ideal transfer function.
考虑开关电阻、电感电阻及纹波寄生参数的影响，推导出理想与非理想传递函数。
The simulation results show that the improved control system significantly reduces the torque ripple, current ripple and effectively decreases the inverter switching frequency.
仿真结果表明：改进后系统使逆变器开关频率减小，损耗降低，转矩有明显的改善。
The inverter arc welding power source is the new power source and features high speed, small DC current ripple, stable arc, light weight, small capacity and low power consumption.
逆变式弧焊电源是新一代的弧焊电源，其特点是速度快，直流输出电流波纹小，电弧稳定，质量小，体积小，能耗低。
By analyzing the current ripple of the inductor and voltage stress of switches at the same conditions, the reduced value of the current ripple and voltage stress with three-level topology can be got.
通过三电平拓扑和传统两电平拓扑电路的对比分析，得出了相同先决条件下这两种拓扑中开关管电压应力和电感电流可减小的幅度。
By analyzing the current ripple of the filter inductor on the condition that the phase shift is different, the reduced value of the current ripple with the interleaving modulation strategy can be got.
通过分析变换器在不同开关相角下滤波电感电流脉动的大小，得出了在同样的电流脉动要求下，采用交错开关方式与采用传统开关方式相比，滤波电感可减小的幅度。
Other IP and support industries are seeing the same ripple effect of losses -and current trends are alarming.
知识产权和其他附属行业的损失也出现了同样的涟漪效应——目前的趋势令人不安。
Other IP and support industries are seeing the same ripple effect of losses – and current trends are alarming.
知识产权和其他附属行业的损失也出现了同样的涟漪效应——目前的趋势令人不安。
Inductance value selected by this method can minish the ripple of compensation current and get good compensation performance.
采用本方法选取的电感值，可以使补偿电流纹波较小，并且能得到良好的跟踪补偿性能。
There are DC off-sets in the compensated source current of the traditional APF with one-cycle control due to the existent ripple and the peak current detection.
传统的单周期控制有源电力滤波器以峰值电流检测的控制方式和纹波电流的存在导致补偿后的电源电流中含有直流分量。
The paper gives two kinds of approaches to measure the ripple current in input current of DC-DC converter or DC-AC inverter.
文中叙述了直流—直流变换器或直流—交流逆变器输入电流中纹波电流的二种测量方法。
Analysis and experiment show that the topology can detect motor's torque current simply and effectively and has magnificent significance to reduce torque ripple of motor.
分析和实验证明，该拓扑能够简单、有效的检测出电机的力矩电流，对抑制电机转矩脉动具有重要意义。
Experiment result showed, the topology can make the device get to high Power Factor (PF), low Total Harmonic Distortion (THD) of input current, low ripple of output voltage, and high efficiency.
实验结果表明，应用该电路拓扑的实验装置，其功率因数较高，输入电流的总谐波畸变较低，输出电压纹波小，而且整个装置的效率也比较高。
Current fluctuation is analyzed during coil commutation time and electromagnetic torque is computed and method is given to restrain ripple of electromagnetic torque.
对绕组换相时电流波动进行了分析，并计算了电机电磁转矩，给出了抑制电磁转矩脉动的方法。
Firstly, discussion focuses on configuration of BLDCM, and its running principles as well as necessary existence of torque ripple when current commutes.
本文首先从BLDCM的结构出发，介绍了其工作原理，并从理论上给出了BLDCM在电流换相过程中转矩脉动存在的必然性。
Finally, a solution to restraining the harmonic current and ripple torque is suggested, ie a larger modulation frequency ratio of 3k is to be adopted, as it is used in SPWM.
文中还提出了抑制谐波电流和脉动转矩的方法，如在SPWM生成中，采用较大的3的整数倍调制比。
Have high frequency and high ripple current characteristics.
具耐高频率及高纹波电流之特性。
Low dissipation factor, high ripple current. Used in speaker dividing network circuits.
低损耗角正切，高纹波电流。适用于音频网络分频电路。
Small loss at high frequency, high ripple current. Used in s correction of horizontal deflection current in TVs.
高频低损耗，高纹波电流。适用于电视机水平偏转电流校正电路。
The output ripple current is an important parameter of the multi-output converter and the coupled inductor is the key component affecting the output ripple current in the multiple-output converter.
输出电流脉动是多路输出电源的一个重要性能指标，而耦合电感又是影响多路输出电源输出电流脉动的关键部件，因此需要研究耦合电感对输出电流脉动的影响。
The algorithm yields low common mode voltage and current, acceptable PWM ripple at the input and output of the inverter, and has no overvoltage problems unlike AZSPWM1.
该算法产量低共模电压和电流，在可接受哒PWM输入纹波 和输出哒逆变器，并没有过电压 提问题不要像AZSPWM1。
Advantages are: high frequency and low impedance, good heat endurance, high withstand voltage, impulsion resistance of high ripple current, and long service life etc.
本发明所得电解液可使铝电解电容器获得高频低阻抗、耐热性好、耐压高、耐高纹波电流冲击、长寿命等优点。
Advantages are: high frequency and low impedance, good heat endurance, high withstand voltage, impulsion resistance of high ripple current, and long service life etc.
本发明所得电解液可使铝电解电容器获得高频低阻抗、耐热性好、耐压高、耐高纹波电流冲击、长寿命等优点。
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