fractional harmonic
英 [ˈfrækʃənl hɑːˈmɒnɪk]
美 [ˈfrækʃənl hɑːrˈmɑːnɪk]
分数谐波
双语例句
- Research of Fractional Harmonic Detecting Approach Based on Hopfield Neural Network
基于Hopfield神经网络分次谐波检测方法的研究 - According to the equivalent circuit of fractional frequency transmission line and using the harmonic balance principle, a mathematical model for load flow of power system containing fractional frequency transmission line is established. The Newton Raphson method is adopted in the solution of this model.
根据分频输电线路的等值电路，应用谐波平衡原理，建立了含有分频输电线路的电力系统潮流数学模型，并应用牛顿-拉夫逊法进行求解。 - The result shows that nonlinearity of the system induces the fractional harmonic which roots in the noise.
说明系统运动非线性产生的分数次谐波，是诱发噪声的直接原因。 - Finally, an improved algorithm for fractional harmonic analysis is used to reduce the leakage, the result of the simulation shows it can heighten the precision of the measure of the parameter.
最后，对于非整数次谐波的测量用改进算法来减少频谱泄漏，仿真结果表明，改进算法能较大的提高参数测量的精度。 - The error of fundamental component and phase angle calculated by means of differential algorithms is the minimum value when fractional harmonic exists.
存在分数次谐波时，差分滤波求得基波分量幅值和相角的误差最小。 - With regard to the accuracy affection during fundamental component calculation caused by aperiodic component, frequency deviation and fractional harmonic in signal, the paper analyzes and compares three filter algorithms of Fourier algorithm, differential filter algorithm and shunt compensation algorithm.
针对信号中非周期分量，频率偏移，分数次谐波对基波分量计算精度的影响，对傅里叶、差分滤波和并联补偿3种滤波算法进行了分析比较。 - Algorithm and Implementation of Fractional-Harmonic Analysis
分数次谐波分析的算法及其实现 - In this article, first of all, Finite-element method is adopted to calculate cogging torque of the fractional slot permanent magnet motor, and the every harmonic of the power spectrum is got by Fourier transform and every harmonic is normalized processing.
文中首先采用有限元方法计算齿槽转矩，进而采用傅立叶变换得到其各次谐波的功率谱并对各次谐波进行归一化处理。 - When inter-turn short circuit fault occurred in the stator windings, it can be distinguished by phase current. So that phase current and fractional harmonic are suitable fault features to stator fault.
因此可以利用故障电流的大小，相位和谐波成分等故障特征识别定子绕组匝间短路故障。 - This paper primarily includes a few aspects as follows: Firstly, it introduces Hopfield neural network theory to the detection of fractional harmonic, and deduces the setting method of neural network connection weights of the structure. Base on those to establish the detection system.
主要包括以下几个方面的内容：首先，将Hopfield神经网络理论引入分次谐波的检测之中，推导神经网络结构中连接权的设置方法，作为分次谐波检测系统建模的依据，建立检测系统。 - In China, despite the detection theory of harmonic develops rapidly, the detection technology of fractional harmonic is still a blind spot in the power system.
在我国，尽管谐波检测理论得到了较快的发展，然而，有关分次谐波的检测技术，却仍是电力系统谐波分析中的一个盲点。 - The stochastic response, first passage failure and stochastic stability of quasi integrable Hamiltonian systems with fractional derivative damping subjected to combined harmonic and Gauss white noise excitations or combined harmonic and wide band noise excitations are investigated.
本文研究谐和与白噪声或谐和与宽带噪声联合激励下具有分数导数型阻尼的拟可积哈密顿系统的随机响应、首次穿越破坏及随机稳定性。