查询词典 harmonic analysis

This paper describes a meshing analysis of the contrate harmonic gear drive which can quickly select the optimum transmission and determine the corresponding meshing parameters and structure parameters.

建立的端面谐波齿轮传动的啮合分析软件，可以较快地选取最佳传动方案，确定相应的啮合参数和结构参数。

The paper provides a meshing analysis of the contrate harmonic gear drive which can quickly select the optimum transmission scheme and determine the corresponding meshing parameters and structure parameters.

广东技术师范学院，广州 510665； 2。佛山市财经学校，佛山 528000）摘要建立的端面谐波齿轮传动的啮合分析软件，可以较快地选取最佳传动方案，确定相应的啮合参数和结构参数。

The cylindricity could be calculated by least squares method and wavelet error separation method that the measurement error could be decomposed by Harmonic analysis algorithm based on wavelet theory.

针对激光 CCD 灵敏度高，干扰噪声容易混入测量数据中的问题，提出了一种基于小波分析的误差分离方法，即运用谐波分析的思想方法和小波理论中多频率分析算法进行误差分离，误差分离后的数据用最小二乘法处理求出圆柱度。

The paper presents a new method based on the wavelet-packet transform for the analysis of harmonic groups in power systems, compatible with the standards of the International Electrotechnical Commission.

本文提出了一种新方法的基础上，小波包变换为谐波分析组在电力系统中，符合标准的国际电工委员会。

Considering that tides are composed of various constituent, the paper here carries on the study on the changes of sediment concentration in estuarial region by means of harmonic analysis method of tides.

同时潮汐是由一个个分潮组成的，所以可以通过调和分析的手段对河口地区的含沙量的变化规律进行研究。

According to this model, approximate harmonic map is easily and fleetly solved by using computer linear circuit analysis.

利用此模型，可由计算机分析线性电路的长处，既方便又快速地求出调和映射的近似逼近。

The result obtained from the estimation demonstrates that the estimation harmonic frequency, amplitude and phase are very accurate using the improved algorithm for the analysis of an unsynchronized sample sequence.

实验结果表明：该算法较FFT算法在频率、幅值和相位的估计值精度上有明显提高。

The results of theoretical analysis and simulation indicate that commutation converter based on New-Type converter transformer-Filter Commutated Converter have superiority on harmonic characteristics.

理论分析和数字仿真结果均说明了基于新型换流变压器的换相换流器—滤波换相换流器在谐波特性方面的优越性。

The relationship between currents of Filter Commutated Converter and the harmonic characteristics of multifrequency AC/DC interconnected systems based on New-Type converter transformer have been studied with ideal models by means of theoretical analysis and matlab simulation.

采用理想化的研究方法，通过理论分析和MATLAB仿真对滤波换相换流器的电流变换关系以及基于新型换流变压器的多基频交直流互联系统的谐波特性进行了系统的研究。理论分析和数字仿真结果均说明了基于新型换流变压器的换相换流器—滤波换相换流器在谐波特性方面的优越性

The spectrogarph in laryngeal diseases showed irregularity,breakage or lack of harmonic waves and formants,and increase of noise.A three-point scale was used to rate the pathologic spectrograph and coincided with the degrees of hoarseness judged by perceptual analysis.

声带炎症病变各参数均值约高于正常0.5～1.5倍；声带麻痹及喉癌各均值约高于正常2.0～1.5倍：病态嗓音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；根据嗓音损害程度可将其分为3型。

He tendered his resignation to the Prime Minister.

他向首相递了辞呈。不适合

International economy and trade,Nanking 210044

国际经济与贸易，南京 210044