A formula to estimate the inductance value of a parallel active power filter on the basis of the fundamental wave is found.
从跟踪基波出发，推导出并联型有源电力滤波器输出电感值的估算公式。
The negative chirp introduced by the fundamental wave can compensate partially dispersion and improve conversion efficiency.
系统输出激光携带一定负啁啾可以补偿色散，提高三次谐波的转换效率。
But if linearly superpose the two fundamental wave solution, it does not have the significance because their background are nonlinear.
但简单的将这两个基波解进行线性迭加是没有意义的，因为它们的背景是非线性的。
The conversion efficiency between the fundamental wave and the th emission is roughly constant over the length of the plasma channels.
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。
Fundamental wave and harmonic condition can be found clearly by analyzing the distortion signal using the sub-module of harmonic analysis.
利用谐波分析子模块对畸变信号进行分析，较直观地得出基波和谐波情况。
This paper presented a neural network based technique to obtain fundamental waveform from a single phase half bridge inverter by square wave mode.
以方波模式运行的单相半桥逆变器为研究对象，提出了一种利用神经网络提取逆变器方波输出电压基波成份的新方法。
Moreover, since the all-phase preprocessing can suppress the individual harmonics' spectral interference on the fundamental wave, the accuracy is greatly enhanced.
由于全相位预处理抑制了各次谐波对基波的干扰，因而大大提高了测量精度。
The counteracted current by going through the notch filter based on adaptive filter technique is proposed to eliminate the residual fundamental wave and its harmonic wave.
文中提出，背景电流抵消后让信号通过基于自适应滤波技术的陷波器，可去除背景中残留的基波及谐波电流的影响。
In theory, the influence of the exponential DC component on the fundamental wave component with random decay time constant can be completely eliminated with the algorithm.
理论上新算法可以消除任意衰减时间常数的直流分量对所求各次谐波分量的影响。
As the research indicates, the structural parameters of the spiral curve slow-wave systems have complicated influence on its fundamental wave dispersion characteristics and coupling impedance.
研究结果表明，螺旋线慢波系统的结构参数对它的基波色散特性和耦合阻抗影响非常复杂。
But the fundamental and most vicious, swinish, murderous, and unchangeable fact is that we totally misunderstand each other -- we operate on alien wave lengths.
但是最基本、最无情也无法改变的事实就是，我们完全误解了彼此——我们根本没有正确理解对方的意思。
Wave equation method is one of the fundamental techniques for seismic modeling and imaging.
波动方程方法是地震模拟和成像的基本方法之一。
When exciting Sin voltage source is applied to proper port, the stability of network depends on the sign of active and reactive components for fundamental-wave current entering port of networks.
若在适当端口施加正弦电压源，则网络的稳定性取决于进入端口基波电流的实功与虚功成份的符号值。
The fundamental concepts of phase conjugate optics are described. Various nonlinear optical techniques which generate phase conjugate wave are summarized and the relations between them are discussed.
本文介绍了相位共轭光学的基本概念，综述了产生相位共轭波的各种非线性光学技术，并讨论了它们之间的关系。
When we look on an oscilloscope a device for visually displaying what a waveform's shape is, we see that adding harmonics to the fundamental changes the shape of the wave.
在我们观察示波器(用来显示波形形态的设备)的时候可以发现，在基频上面增加谐频可以很大程度上改变声音的形态。
Transient parameters and numerical calculation model are fundamental to evaluate the traveling wave on very fast transients in three-phase enclosed GIS.
数值计算模型和参数的确定，是三相同壳结构GIS快速暂态过程行波分析的基础。
The fundamental principle of the CT based on the theory of elastic wave ray is briefly introduced, and the key technique of the elastic wave CT is deeply analyzed.
本文首先对弹性波CT基本原理进行简要介绍，然后对弹性波CT关键技术进行较为详细的分析说明。
The fundamental equations of elastic mechanics were established through research of the spreading of elastic wave in honeycomb structure. The cut-off frequency was solved from the equations.
通过对弹性波在蜂窝结构中传播的研究，建立了弹性力学基本方程，得出了截止频率；
The solving of wave equations and tortuous ray method are fundamental methods of analysing plane optical waveguiding.
曲折光线法和解波动方程是分析平面光波导的基本方法。
The Fresnel wave ray equation is deduced by use of the fundamental equations of crystal optics. The crystal optics question is solved by Fresnel wave ray equation cooperating with Maxwell equation.
利用晶体光学基本方程推导出菲涅耳波射线方程，通过波射线方程并结合麦克斯韦方程组求解晶体光学问题。
In this paper, the fundamental principle of transient Rayleigh wave method and its application in evaluating complex foundation are presented.
本文介绍了瞬态瑞雷波法的基本原理及其在评价复合地基中的应用。
Phase-matched filter is applied to extract phase of fundamental surface wave, and then time-variable filter is used to correct amplitude spectrum in order to isolate fundamental mode signs.
使用相匹配滤波技术提取基阶面波振型的相位，然后再利用时变滤波进行振幅谱校正，以此分离出基阶振型面波信号。
The shear (s) -wave velocity of near-surface materials and its effect on seismic-wave propagation are of fundamental interest in many engineering, environmental, and groundwater studies.
横波速度由于更能直接反映岩石的物理性质，从而在许多工程、环境和地下水勘查中有重要作用。
Numerical results show that the squeezing ratio decrease at some initial distance when the amplitude increase and the squeezing was best if pluse wave shape near fundamental soliton.
数值结果表明，增大初始振幅在初始一定距离范围内能减小压缩比，接近理想光孤子的脉冲波形压缩效果最好。
There exists great importance in the investigation both into the fundamental physics related to the beam-wave interaction and into the rule of electrons movement in this device.
深入研究其内部的电子运动规律和束波相互作用的物理机制具有重要意义。
There exists great importance in the investigation both into the fundamental physics related to the beam-wave interaction and into the rule of electrons movement in this device.
深入研究其内部的电子运动规律和束波相互作用的物理机制具有重要意义。
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