harmonic frequency
英 [hɑːˈmɒnɪk ˈfriːkwənsi]
美 [hɑːrˈmɑːnɪk ˈfriːkwənsi]
n. 谐频
双语例句
- But at the harmonic frequency, the system inductance increases greatly and the reactance of the filter circuit reduces greatly.
但对谐波频率而言，系统感抗大幅增加而滤波支路容抗大幅减小。 - Comparison between Harmonic Frequency Spectrum VSR and TSR
频谱谐波时效技术与热时效的比较研究 - The higher-order sine fitting algorithm takes fundamental harmonic frequency, harmonic amplitude and initial phase angle as variables to fit signal, so that the influence of harmonic and frequency fluctuation can be alleviated.
高阶正弦拟合法以信号的基波频率、谐波幅值和相角作为变量对信号进行拟合，该法能有效减轻谐波存在和频率波动的影响，精确测量电气设备的介损角。 - But the research in those aspects such as harmonic frequency excursion and ect. of power quality is more then in voltage fluctuation and flicker.
然而，人们对于电能质量中诸如谐波、频率偏移等方面的研究相对电压波动和闪变来说要多得多，研究得也较成熟。 - Relationship between Age and the Energy Density Distribution of Fundamental and Harmonic Frequency Component in Electrocardiogram Energy Spectrum
心电图能量谱中基频及谐频成分能量密度分布与年龄的关系 - Using the ANSYS software of finite element, modal analysis is executed and twelve steps harmonic frequency are obtained.
用有限元分析软件ANSYS对四分压电陶瓷管进行模态分析，得出该陶瓷管的前12阶谐振频率和模态振型。 - Based on the principle of harmonic frequency extraction in nonlinear device, we present the avalanche diode high order frequency multipliers in W band.
利用雪崩效应中强烈的非线性电感特性，基于非线性器件谐波提取的思想，对倍频器电路进行了优化仿真，采用雪崩倍频二极管研制了W波段雪崩高次倍频器。 - Synchronous filter correlation technology based on spectrum modification is applied to harmonic detection of power system, a method of reducing sample frequency is obtained to adapt to the variation of harmonic frequency with the help of multi-resolution analysis and wavelet analysis concept-self-adaptive synchronous correlation filter.
将基于频谱搬移原理的同步相关滤波技术应用于电力系统谐波检测，并借助于多分辨率分析思想和小波分析概念得到了一种降采样频率方法以适应谐波频率变化的情况，即自适应同步相关滤波。 - Using the method of FFT, we analyzed 9 categories of environmental sound signals ( altogether 267 kinds) around us. Statistic at treatment about the parameters of spectrographic analysis is used to find out the distribution characteristic of the fundamental frequency and the max harmonic frequency.
利用FFT分析方法，对环境中存在的267种9大类声音信号进行了分析并对其频谱分析参数进行了统计处理，了解其基频与最大谐波频率分布的特点。 - This paper introduces the computation method on the harmonic frequency of the torsional vibration in the mechanism of an antenna system.
介绍了天线系统驱动机构扭转振动谐振频率的计算方法。 - Calculation and Analysis of the Influence of Gas Accumulator upon Liquid Harmonic Frequency in the Pipeline System
气体蓄压器对管路系统中液体谐振频率的影响的分析计算 - At the receiving end, band-pass filters were used, according to the frequency spectrum of the coding waveforms, to derive each harmonic frequency component.
在接收端，用带通滤波器对叠加信号按编码波形族的频谱进行各谐波分频滤波，得出各分频分量。 - Pressure sensitivity, harmonic frequency and directive property are important indexes to characterize its performances.
声压灵敏度、谐振频率和空间指向性是衡量其性能的重要指标。 - The influence of input harmonic frequency on the Hilbert spectrum, Hilbert marginal spectrum, and the Fourier spectrum of dynamic response of the bilinear SDOF system, which exhibited non-linear behavior under the harmonic input, was systematically studied.
系统地研究了双线性单自由度体系在简谐波输入下表现出非线性力学行为时，输入简谐波频率对体系动力响应的Hilbert谱、Hilbert边缘谱及Fourier幅值谱的影响。 - It is estimated the harmonic frequency by means of ESPRIT, which is based on forth-order cumulant. In addition, it is also given the corresponding simulation instances. The presented simulation results show this method has rather high resolution.
利用基于四阶累积量的ESPRIT估计谐波频率，并给出了估计的仿真实例，仿真结果表明，该方法具有很高的频率分辨率。 - Influence of Microstrip Length and Impedance Rate to Harmonic Frequency of SIR Filter
微带长度及阻抗比对SIR带通滤波器的谐波频率的影响 - Hilbert spectrum and intrinsic oscillation mode of dynamic response of a bilinear SDOF system: influence of input harmonic frequency
双线性单自由度体系强迫动力反应的Hilbert谱与本征振动模态：输入简谐波频率的影响 - Using sine wave of single-frequency, harmonic frequency, multi-harmonic frequency noise plus Gaussian noise to simulate the noise wave produced by exhauster.
以单频、谐频、多谐频噪声的正弦波产生出的信号再加上高斯噪声加以合成，使其产生出模拟抽油烟机的噪声声波，来进行模拟实验。 - Research shows that: ( 1) there is an optimal value for the inlet pressure to reed whistle harmonic frequency level, not with the increase of the inlet pressure and unlimited.
研究表明：（1）入口压力对簧片哨发声频率和声压级的影响存在一最佳值，并非随着入口压力的增加而无限增加。 - And then, finite element analysis for the no-load back EMF of wheel motor was carried out. The superposition principle of back EMF waveform and the harmonic frequency which had great influence on waveform sine were got.
然后，通过对轮毂电机空载反电动势进行有限元分析，得到了反电动势波形的叠加原理及对波形正弦性影响较大的谐波次数。 - And on the basis of harmonic calculation, calculated dc current and harmonic current numerical and harmonic frequency on the dc side of inverter, in the last, we make the simulation in MATLAB software simulation tool to got relative validation.
并在谐波计算的基础上，计算了逆变器直流侧的直流电流以及谐波电流的数值和谐波频率，并在MATLAB仿真软件中通过仿真得到了相关验证。 - Measurement of harmonic frequency, amplitude and initial phase are the basis for the calculation of harmonic active power, the harmonic parameters measurement technology has affected the development of harmonic active power measurement.
谐波幅值、初相位的精确测量是计算谐波有功功率的基础，谐波测量技术在很大程度上了影响了谐波有功功率计量的发展。 - The X-band cylindrical single microstrip patch antenna is designed and the influences of cylindrical curvature on the harmonic frequency of antenna are discussed. Then the application of PBG structures on the single microstrip antenna is presented in detail.
设计了X波段单贴片柱面微带天线，讨论了柱面曲率对天线谐振频率的影响，并将相对阻抗特性的共形PBG结构应用在柱面微带天线当中。 - The branch line was used as the form of the bias circuit in the design, and the microstrip bias filter was designed, which has a good ability to inhibit the fundamental frequency and the harmonic frequency leaking in the DC side.
在偏置电路的设计之中，采用高低阻抗线的形式，研制了微带偏置滤波器，该滤波器对于基波与谐波在直流端的泄露均有较好的抑制能力。 - In order to meet the requirements of the index, in the output before joining a bandpass filter to filter out The Times of the harmonic frequency produce.
为了达到要求的指标，在输出前加入一个带通滤波器来滤除倍频产生的谐波。 - In software design, the article studied automatic peak value seeking algorithm during harmonic frequency measurement, finished driver program of high precision signal source, LCD display and serial communication interface.
在软件方面，研究了谐振频率点测量过程中自动寻找极值算法，完成了高精度信号源和液晶屏显示的驱动程序编写以及上下位机的串口通讯程序。 - Based on fractional-order moments, this dissertation studies the technologies of harmonic frequency estimation, namely the MUSIC algorithm under Gaussian noise and the FOC-MUSIC algorithm under non-Gaussian noise.
本文基于分数阶矩，重点研究了基于信号空间分解的谐波频率估计技术，也即高斯噪声下的MUSIC算法和非高斯噪声下的FOC-MUSIC算法。 - There are many methods for harmonic frequency estimation, such as model parameter method, non-parameter method and entropy spectral estimation method.
谐波频率估计的方法很多，有模型参量法，非参量法，熵谱估计法等。 - The regularity between inverter switching frequency and stator current harmonic frequency is summarized by experiments, and the expressions of air gap magnetic field frequency and inverter switching frequency is deduced by 3D motional magnetic field Finite Element Method ( FEM) calculation and analysis.
通过实验总结出变频器开关频率对定子电流谐波的影响规律，利用三维运动磁场的计算和分析总结出气隙磁场谐波频率与变频器开关频率的关系表达式。 - Based on the acoustic theory, the second harmonic frequency attenuator can be equivalent to a single-degree-of-freedom harmonic excitation force vibration system which has a certain quality and flexibility and damping, so that we can establish a transfer matrix with concentrated parameter four-terminal network flow method.
以声学理论为基础，容腔共振衰减器等效成具有一定质量、弹性、阻尼的单自由度简谐激振力作用的振动系统，用集中参数流体四端网路法建立了滤波器的传递矩阵。