查询词典 harmonic analysis

And the individual compensation current is the product of the harmonic component extracted from the filter current and the compensation factor generated by the harmonic phase regulator.

总补偿电流是待抑制的各次谐波补偿电流之和，而各次谐波补偿电流是滤波器电流中的谐波分量与谐波相位调节器输出的补偿系数之积。

Results In 60 patients with organic diseases of vocal cords, all the acoustic parameters were significantly increased and the spectrograph showed irregularity,breakage or lack of harmonic waves and formants, and increase of noise. In 50 cases with functional voice disorder, the shimmer and NNE were significantly increased but the jitter was usually normal. The spectrograph showed pathologic changes of harmonic waves and formants in middle and high frequencies.

结果 60例器质性声带疾病嘶哑嗓音表现各项声学参数均值高于正常，差别有统计学意义；声谱图特征为谐波及共振峰不规则、断裂甚至消失，噪声成分增加等。50例功能性发声障碍嗓音显示shimmer及NNE值较正常升高，声谱图主要表现中、高频区谐波及共振峰病理改变，波纹不平稳、抖动等；94％(47／50)患者的嗓音信号中可发现正常声学特征。

Then, we employed the spherical-harmonic method to turn the classical transport equation for gluons into an infinite set of spherical-harmonic equations.

通过比较胶子和夸克的经典输运方程以及比较胶子的量子和经典输运方程，我们检验了新建立的胶子经典输运方程，证明它的确反映了胶子输运的主要性质。

This method realized detection of harmonic and inter-harmonic on the ground of noise on the real sense.

从而实现了噪声背景下的谐波、间谐波的检测。

In allusion to the large amount of harmonic existing in the electric system, this paper proposes the new method to Filter harmonic. This new method adopts the single-tune filter and high-pass filter.

针对无功补偿中存在的电网谐波问题，提出了采用单调谐和高通滤波器来进行谐波滤波的方法。

In this paper ,the influence of harmonic to the accuracy of potential transformer and current transformer is studied firstly, and then through some experiments, the new equipment-multifunctional metering of electric energy equipment based on virtual instruments technology and traditional induction Watt\|hour meter to measure the power at different harmonic situations.

首先探讨谐波对仪用电压电流互感器精度的影响，然后通过具体实验，利用新研制的基于虚拟仪器技术的多功能电能计量装置与传统的感应式电能表在不同的谐波条件下同时计量电能，对二者结果进行对比分析，得出谐波对感应式电能表计量影响的准确数据，并总结其规律。

Harmonic pollution often causes fatal accidents. Because of high harmonic contend, shunt equipment are frequently damaged by high voltage gradient.

谐波污染常常导致代价昂贵的事故发生，因谐波含量过大引起的电压梯度过大，对并联设备及监控设备有严重的危害。

Sub-harmonic resonance of a SDOF vehicle suspension system with nonlinear stiffness and nonlinear damping under harmonic excitation is investigated.

研究了具有非线性刚度和非线性阻尼的单自由度汽车悬架在简谐路面激励作用下的亚谐共振。

Using j and v tidal models and harmonic analyses to obtain the harmonic constants of main tidal components in the China seas from TOPEX/POSDEIDON data, verifing the results with the global tidal model CSR3.0 qualitatively and data from tide gauge stations quantitatively, the paper shows that the results computed here are more reasonable and are better than the results of the global tidal model for the China seas.

基于TOPEX/POSEIDON卫星高度计资料，利用j，v潮汐模型和调和分析法提取中国浅海潮汐信息，与TOPEX/POSEIDON卫星自带的全球潮汐模式CSR3.0和验潮站资料分别进行定性和定量的对比，说明在中国浅海的计算结果优于全球潮汐模式。

Firstly, harmonic detection method using ip,iq algorithm, which is based on the instantaneous power theory proposed by H.Akagi, is introduced briefly and is extended to detect positive or negative sequence of arbitrary order harmonic in single-phase system, three-phase three-wire system or three-phase four-wire system.

首先，本文简要介绍了基于瞬时功率理论的谐波电流检测方法——i_p，i_q算法，并将之推广应用于单相系统、三相三线制系统和三相四线制系统中任意次数谐波的正序、负序有功、无功分量的检测，大大拓宽了该优良瞬时谐波检测算法的应用范围。

After explaining total design of automated test system for microcircuit , the thesis introduces GPIB standard .

文章在说明了微电路模块自动测试系统的总体设计后，对GPIB标准进行了介绍。

He interceded in my behalf.

他替我说情。