定性地分析了各优化方法调制波的谐波特性，从本质上分析了它们降低开关损耗的基本思想。
The harmonic peculiarity of carrier waves of each optimized method and expresses elementary ideas in methods of decreasing switching dissipation above-mentioned essentially.
作者还讨论了建立相坐标下三相变压器谐波模型的基本方法。
Finally, the elementary procedure for establishing the harmonic models of three phase transformer in phase coordinate system is discussed.
利用组合扫描压制谐波干扰的基本思想就是合理地设计各个子扫描频宽，达到消除谐波干扰的目的。
The basic idea using array sweeping to suppress harmonic interference is to reasonably design each sub-sweeping frequency band that can reach the goal of elimination of harmonic interference.
文章分析了适用于变频器谐波抑制的串联型有源电力滤波器的基本工作原理，并对其控制方法和控制电路进行了研究。
The basic operation principle of the series active power filter for harmonic suppression of frequency converter is analyzed in this paper, and its control method and control circuit are studied.
对传统的串联混合型有源电力滤波器抑制谐波的基本原理做了定性分析。
The basic principles for suppressing the harmonics of the conventional series hybrid active power filter (SHAPF) are analyzed qualitatively.
本文在阐述滤波器基本原理的基础上，提出一种新型的基于基波磁势自平衡谐波抵消式原理的串联混合有源电力滤波器。
A new type series active power filter based on the fundamental magnetic potential self-balance and harmonic counteraction is proposed and its construction and operating principle is formulated.
并运用大量仿真，对本方法在谐波、电压波动等干扰环境下基本频率估计的有效性进行验证。
Finally, the fundamental frequency estimation under different PQ disturbances condition, such as harmonics, voltage fluctuations, etc, is analyzed by simulation respectively.
提出了一种基于静电驱动的新型谐波微电机，描述了该微电机的基本工作原理。
A novel harmonic micromotor actuated by electrostatic force was proposed, whose basic operating principles were also described.
根据FFT算法的基本原理，对谐波检测中采样起始时刻取不同值的各种情况进行分析，并对任意时刻开始采样得到起始点的数据情况进行分析。
According to the basic principles of FFT algorithm, this paper analyzes each instance of start time values sampled in harmonic measuring and the data obtained from anytime start sampling.
本文从滚动轴承寿命公式的基本前提出发，推导出了谐波齿轮传动中柔性轴承的寿命计算公式。
Going on the basic premise of the life formula for common bearings, the author deduces the life formula for the flexible bearings used in harmonic gear transmission.
差分吸收检测和波长调制谐波检测是气体光吸收检测的两种基本方法。
Difference absorption measurement and wavelength modulation harmonic measurement are two fundamental approaches for gas light absorption detection.
有些正弦波谐波，其频率不等于频率的基本组成部分。
Some sine waves are harmonic whose frequency does not equal to the frequency of fundamental component.
文章详细说明了各类设备谐波电流限值制定依据和基本原理以及推导过程。
The basis of determining the limits of harmonic currents for various sorts of equipments, their basic principles and derivations are explained in detail.
谐波分析一直是信号处理的基本方法之一。
提出确定谐波源的基本方法。
第一章主要介绍谐波的基本概念，谐波的危害及谐波问题的研究现状。
The first chapter was built on harmonic fundamental concepts, harmonic harm and influence, and then described the present condition.
本文首先介绍了电力系统谐波的基本知识，并指出了电力系统谐波研究的艰巨任务和重大意义。
The paper first introduces the basic knowledge of power system harmonics, and points out the importance of studying harmonics.
通过构造一个特殊的多层前向神经网络，利用模拟并行测量装置的基本原理，设计了相应的谐波监测电路。
Using the basic principle of analog parallel harmonics measurement and a special multi-layer feedforward neural network, a corresponding harmonics measurement on-line is built.
介绍了一种新型谐波传动形式—谐波链传动，并且论述了该传动装置中基本构件间的几何尺寸关系、传动比关系。
The paper introduces a kind of new harmonic drive structure_harmonic chain-drive. Geometry and ratio relations for basic structural units are discussed in the drive.
本文分析了目前文献中研究较多的基于多层前馈网络的谐波电流检测方法的基本原理。
This paper analyzes the basic principles of the harmonic detection method based on multilayer feedforward neural networks, which has been studied extensively at present.
并且这些低频线谱基本上都是转子轴频和叶频的谐波分量。
These low frequency spectrum lines are basically the harmonics of the rotor shaft frequency and the blade-passing frequency.
第二章介绍了谐波分析的基本原理和谐波测量的主要方法，然后对电力系统的谐波管理作了简要说明。
The second chapter introduced the fundamental theories of harmonic analysis and the main methods of harmonic detection, then made a brief direction of harmonic administration.
实验研究发现三次谐波的转换效率在通道范围内基本保持不变。
The conversion efficiency between the fundamental wave and the th emission is roughly constant over the length of the plasma channels.
试验表明，单相系统的基本电量的测量精度优于0.2级，谐波分析正确，为三相系统打下良好的基础。
The results indicate that the measurement accuracy of elementary items is better than class 0.2 and harmonic analysis is correct, so it's a good basis to three phases system.
论文从有功功率采样计算公式的基本定义出发，推导出时域谐波有功功率和误差计算公式。
Beginning with the basic definitions of active power, calculation formulas of the active power and it's error in time domain for various harmonic signals is developed.
应用这种静止坐标下的谐振控制器对指定次数的谐波电压进行闭环控制，使DVR具备补偿谐波电压的功能，而对基本DVR的电压凹陷补偿性能的影响很小。
Using this resonance controller to take a closed loop control to selected harmonic voltage makes DVR with a function of harmonic voltage compensation, which has little influence on DC link voltage.
第一章主要介绍谐波的基本概念，谐波的危害及谐波问题与故障录波装置的研究现状。
The firth chapter was built on harmonic fundamental concepts, harmonic harm and influence, and then described the present condition and significance of harmonic study fault data recording.
按上述原理设计加工出的谐波传动齿轮副能够符合齿廓啮合基本定理。
The harmonic drive gear pair which are manufactured on the principle of "Converted Engagement Reappearance" can conform to the Willis theorem.
按上述原理设计加工出的谐波传动齿轮副能够符合齿廓啮合基本定理。
The harmonic drive gear pair which are manufactured on the principle of "Converted Engagement Reappearance" can conform to the Willis theorem.
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