查询词典 harmonic analysis

Wusong Hydrological Station ; harmonic analysis of tide ; harmonic constant ; tide prediction ; astronomic tide

因此，准确预报黄浦江入长江口的吴淞站的风暴潮位至关重要

Starting from the Laplace equation, the solution of Laplace equation, in spherical coor dinates, is developed for the boundary value problem approximating the local gravity field over a spherical cap——spherical cap harmonic analysis, and the spherical cap harmonic expansion with integral order but nonintegral degree and practical formulae are given.

从Laplace方程出发，提出了在球冠上逼近局部重力场的大地测量边值问题——球冠谐分析理论，给出了非整阶整次球冠谐展开和实用计算公式。

Keywords: Harmonics, active power filter, Fourier Algorithm, Harmonic analysis and measure, Harmonic prevention

谐波，有源滤波器滤波器，傅立叶变换，谐波分析测量，谐波抑制

Mass transit ; harmonic ; harmonic analysis ; voltage distortion ratio

城市轨道车辆；谐波；谐波分析；电压畸变率

The author develops a set of computing software about harmonic synthesis and harmonic analysis based on the methods this thesis puts forward.

以本文提出的理论和建立的数学模型为基础，编制了一整套重力场球谐综合与调和分析计算软件。

According to the geomagnetic 3 component absolute survey data of China for 1950～1990, and using the method of spherical cap harmonic analysis, this study calculates the spherical cap harmonic models of the geomagnetic residual field in China for 1950～1990 and draws corresponding residual maps.

根据中国1950、1960、1970、1980年和1990年地磁三分量绝对测量资料，使用球冠谐和分析方法，分别计算1950～1990年各个年代中国地磁剩余场冠谐模型。

Geomagnetic field ; Spherical cap harmonic analysis ; Chinese geomagnetic reference field ; Spherical cap harmonic model.

地磁场；冠谐分析；中国地磁参考场；冠谐模型

Based on the geomagnetic survey data in the eastern and central region of China for 1936, and DGRF1935 and DGRF1940, using the method of spherical cap harmonic analysis, the spherical cap harmonic model of the Chinese geomagnetic reference field for 1936(CGRF1936) is calculated.

根据 1936年中国东部和中部地区的地磁测量资料，以及国际地磁参考场DGRF1935和DGRF194 0 ，用冠谐分析方法计算 1936年中国地磁参考场的冠谐模型。

B. Harmonic Analysis: After the commissioning of the detuned capacitor banks the supplier of capacitor banks shall carry out measurements to confirm the Harmonic Distortion is within the limits as confirmed.

乙谐波分析：启用后电容器嗡嗡作响供应商的电容器进行测量，以确认谐波失真是确认的范围内。

The simulations of this algorithm are enumerated in following instances: track of saw-tooth wave, fundamental and total harmonic analysis, inter-harmonic detection, peak detection, and detection of flicker of voltage.

通过仿真，用该算法实现锯齿波跟随、基波提取和谐波分析、间谐波分析、电压峰值检测、电压闪变检测，并研究算法对输入信号频率偏移的鲁棒性。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。