At present, there are mainly two ways to study tide: one is the harmonic analysis method of tides, the other is tidal dynamics.
目前对潮汐的研究方法主要分为：潮汐调和分析和潮汐动力学两个方面。
This paper discusses the differential error harmonic analysis method and the method for obtaining the actual error curves of testers.
本文讨论了差值误差谐波分析法及获得仪器误差曲线的方法。
By applying the harmonic analysis method to adjusting and compensating, the practical test data is acquired, and the inductosyn Angle measuring accuracy is, raised.
通过实测数据并用谐波分析的方法对两项误差进行补偿与调整，提高了感应同步器的测角精度。
The result indicated that it can describe effectively the comparability of typhoon asymmetry structure by harmonic analysis method, and also can predict exactly prospective motion.
结果表明，通过计算灰度场的相似离度，可以有效地定量描述台风非对称性结构的相似性，并能较准确地预测其未来的移动路径。
Based on the mathematical model of circularity error, the least square method, minimum envelope zone method and harmonic analysis method for evaluating the circularity error are treated.
本文根据圆度误差的数学模型，论述了评定圆度误差的最小二乘法、最小区域法和谐波分析法。
An effective method of microcomputer aided detection and frequency analysis of harmonic in power-network is presented.
本文给出了一种应用微机进行电网谐波检测与频谱分析的有效方法。
The modal and harmonic response analysis of the structure were implemented using the finite element analysis method with ANSYS software.
使用有限元分析软件ANSYS对结构建模，并进行模态和谐响应分析。
This paper puts forward an analysis method of rotor harmonic leakage reactance in consideration of conductor effective width in slots, ie, Fourier analysis.
本文提出了一种考虑槽导体有效宽度时转子谐波漏抗的分析方法，即傅立叶变换分析法。
The Fourier analysis method is applied to decompose the air-gap magnetic density into the basic wave and a series of harmonic and wave shape eigen coefficient of air-gap magnetic field are calculated.
采用付立叶谐波分析的方法把气隙磁密分解为空间基波和一系列谐波，进而计算出气隙磁场波形特征系数。
Using harmonic analysis, the roundness error is analysed. A handy analytical method of roundness error is presented. Then the application of FFT is discussed.
本文应用谐波分析法分析了圆度误差，提出了一种圆度误差的简便分析方法，最后讨论了快速富里叶变换的应用。
Research on harmonic analysis of arc furnace electric system based on frequency domain method.
电弧炉电气系统谐波分析的频域方法研究。
An improved Hilbert vibration decomposition (HVD) method was introduced to the non-integer harmonic analysis in electrical power system.
针对现有电力系统非整数次谐波分析法的不足，提出了一种改进的希尔伯特振动分解(HVD)方法。
The method of spherical harmonic analysis is using widely in geomagnetic and gravitation.
球谐分析在地磁学与地球重力学中得到广泛的应用。
By using the harmonic equation of the tension and shape of stay cable, a state revision method is presented for the nonlinear analysis of stay cable in this paper.
为此利用斜拉索外形与索力的协调方程，提出了一种适合斜拉索非线性分析的状态修正法，并由算例证明了此法的正确性、实用。
The theoretic analysis is accomplished on the circuit topology, principle, harmonic detecting method, control method and circuit designing of Parallel Hybrid Active Power Filter (PHAPF).
其次，文章重点对电容注入方式的并联混合型有源电力滤波器的电路结构、工作原理、谐波检测方法、控制方式、电路设计进行了理论分析。
The errors of harmonic wave analysis and direct sampling in electric parameters measurement are analyzed. The method to minimize errors is presented.
分析了电力参数微机监测中的直接采样计算法与谐波分析法的误差，并提出了减小误差的方法。
By using the instantaneous reactive power theory, a kind of improved method in detecting harmonic and fundamental reactive power based on wavelet analysis is (proposed.)
在小波分析的基础上，结合瞬时无功功率理论，提出了一种谐波和基波无功检测的改进方法。
A superimposing iteration harmonic balance method (SIHB) is presented for the steady-state analysis of strongly nonlinear oscillators.
提出一类强非线性动力系统的叠加迭代谐波平衡法。
The incremental harmonic balance method is extended to analyze the flutter of two dimensional airfoils. The present procedure provides a new effective way to the strongly nonlinear flutter analysis.
将增量谐波平衡法推广应用于二元机翼的颤振问题，为强非线性颤振分析提供了一条有效的新途径。
The relation between period and energy for the harmonic-like oscillation is obtained by using the analysis method of horizontal curve of energy function.
利用能量曲线的分析方法，建立了类谐振子的周期和系统能量的数学表达式。
Introduces the phasor method, and the harmonic analytic method in the electric circuit analysis methods.
介绍了电路分析方法中的相量法、谐波分析法。
The results of computer simulation and the application on the electrical power measurement instrument have shown that the method improves the accuracy of the harmonic analysis.
计算机仿真及实际的配电综合测控仪中的应用表明该方法能有效提高测量谐波的准确度。
This paper introduces the method of unified modeling for PWM switched converter, and draws the analytic method of harmonic balance into the analysis of the circuit.
介绍了PWM开关功率变换器电路的统一建模方法，并将谐波分析方法应用于电路分析中。
Data are processed by harmonic-analysis method in the error separation of circular division. This method can reduce the workload of inspection.
文章分析了在圆分度误差测量中应用谐波分析法处理数据的原理，同排列互比法相比，用此法可以减少检测工作量。
Based on analysis of spectral characteristic of helicopter acoustic signal, a method of extracting harmonic frequencies from the helicopter acoustic signal via ESPRIT is proposed.
在对直升机声信号特征进行分析之后，提出了一种基于谐波恢复的ESPRIT方法来提取直升机声信号谐波频率作为特征用以识别直升机声目标。
Theoretical analysis and experimental results both show that our method has higher precision and better practicability compared with photometric stereo harmonic image method.
理论分析和实验结果表明，该方法比光度立体学、球谐函数方法具有较高的精度和较强的实用性。
The paper also developed the data interface of PS3 harmonic analysis instrument and gave the design method of power filters.
研制了PS3谐波测试仪的数据接口，给出了电力滤波器的一般设计方法。
The paper also developed the data interface of PS3 harmonic analysis instrument and gave the design method of power filters.
研制了PS3谐波测试仪的数据接口，给出了电力滤波器的一般设计方法。
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