The fractal characteristics for the Infrared Spectra have been studied by the Fourier analysis and fractal method.
红外光谱可作为一种信号的功率谱，用富里叶分析来研究。
Based on the modulation theory and the Fourier analysis of switch function, the mechanism of interhamonics in source side is analyzed with an example of CSI and a simple model is established.
为了提高网络化制造中企业间业务流程组合的灵活性及重用性，提出了一种业务流程重用组合机制，利用协调理论构建了重用组合机制功能结构，并结合面向方面技术建立了该机制的实现方法。
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。
The mechanism of de-inking of photocopy waste paper with solvent treatment was investigated by Fourier transforming infrared spectrum (FT-IR), image-scanning and microscope analysis.
采用傅立叶变换红外光谱、图像扫描和显微分析等手段，研究了静电复印废纸溶剂法脱墨的机理。
These analysis method in fault diagnosis process can play an important role, but Fourier analysis method is only suitable for analysis of the continuous, the steady time signal.
这些分析方法在故障诊断过程中起到了重要的作用，但傅立叶分析方法只适合于分析连续的、平稳的时域信号。
This paper will use small signal analysis and split-step Fourier to solve the complex nonlinear Schrodinger equation (NLSE).
本文将结合分步傅里叶方法和小信号分析法来求解复杂的非线性薛定谔方程(NLSE)。
Using Fourier series, the frequency spectrum analysis was analyzed, and spectrum data of harmony wave less than 19 were calculated.
利用傅里叶级数对其进行了频谱分析，计算了次数小于19次的各次谐波电流均方根值的频谱数据。
The process of reconstructing a function of time or space from its sinusoidal components determined in Fourier analysis.
根据其正弦型分量用傅立叶分析方法重建一个时间或空间函数的过程。
The properties of the product were characterized by thermogravimetry-differential thermal analysis, X-ray diffraction and Fourier infrared transmission spectroscopy.
用差热-热重分析、X射线衍射、红外光谱等手段对样品进行表征。
Conclusions: X ray diffraction Fourier pattern analysis is a feasible method for the identification of Compound Chinese traditional medicine preparation.
结论：X衍射分析法是鉴定与识别中药复方制剂一种可行方法。
The procedure is based upon recent advances in multibody dynamics and in Fourier analysis.
本方法应用了多体动力学和傅利叶分析的最新成就。
The analysis based on theory of Fourier optics is in accordance with the results of experiment.
建立在付立叶光学理论基础上的分析与实验结果是一致的。
In some circuit textbooks the rectifier circuit with the filter has been used as an example to illustrate the harmonic analysis of nonsinusoidal circuit adopted Fourier series.
在一些电路教材中常把带滤波器的整流电路作为一个实例，用以讲述用傅立叶级数的谐波分析方法来求解非正弦电路。
Fourier analysis is the mathematical method used to break sounds down into sine waves.
傅里叶分析是将声音分解为正弦波的数学方法。
By use of the angular-spectrum analysis and the Fourier transform method, a correction method is obtained to describe the propagation of few-cycle pulsed beam with constant beam waist.
利用角谱分析和傅里叶变换的方法，得到一种描述几个周期的等束腰宽度脉冲光束传输的脉冲修正方法。
The design and theory analysis were proposed for possible recording sy-stems of transmission Fourier holograms and the possible applications of Fourier holograms were discussed.
本文对透射式傅里叶变换全息图的可能记录系统进行了设计和理论分析，并指出它们可能的应用。
The standard method for spectrum analysis in digital signal processing is the discrete Fourier transform(DFT), typically implemented using a fast Fourier transform(FFT) algorithm.
数字信号处理中标准的频谱分析方法是离散傅立叶变换（DFT），典型的实现方法是快速傅立叶变换（FFT）。
The relative waveforms, such as maximum frequency, mean frequency and bandwidth, were obtained using the short time Fourier analysis of those simulated signals.
对这些仿真信号进行短时傅里叶分析，求出相应的最大频率、平均频率和频谱宽度等曲线。
Theoretical analysis shows that the new deblurring function is the Fourier transform of inverse filtering function.
理论分析证明，此新消模糊函数是逆滤波函数的傅里叶变换。
Fast Fourier transform (FFT) is the main algorithm for harmonic analysis in electric power system, but when there is the decaying DC component in input signal, FFT algorithm will have higher error.
快速傅里叶变换(FFT)是电力系统进行谐波分析的主要算法，但当输入信号中含有衰减直流分量时，FFT算法会产生较大的误差。
Fourier analysis method is proposed for analyzing the discontinuous time series of pressure.
提出了一种用于对不连续压力采样序列的傅立叶分析方法。
The special property analysis of Fourier transform on image processing is first given in this paper, and the physical significance of Fourier transform is also given.
针对数字图像处理的特点，对傅立叶变换用于图像处理的特性进行了分析，给出了傅立叶变换用于图像处理时的物理意义。
In this paper, main problems that face the Fourier spectrum analysis method and parameter model spectrum analysis method are described from the viewpoint of engineering application.
本文从工程应用的角度叙述了以付里叶变换为基础的谱分析方法和参数模型谱分析方法所面临的主要问题。
In this paper, we apply the Fourier transform method (FTM) of the phase analysis method to double-exposure holographic interferometry and propose double-exposure digital holographic interferometry.
本文将相位分析技术中的傅立叶变换法(FTM)引入二次曝光全息干涉计量中，提出了二次曝光数字全息干涉术。
Application DFT Discrete Fourier Transform, right through MATLAB continuous signal spectrum analysis, in order to meet the theoretical analysis and practical needs.
应用离散傅里叶变换dft，通过MATLAB实现对连续信号频谱分析，以满足理论分析和工程实际的需要。
In order to solve this problem, proposed one solution, and has carried on the theoretical analysis with the Fourier formula to it.
为了解决此问题，提出了一种解决方法，并用傅里叶公式对其进行了理论分析。
Real time Fourier analysis is introduced on the basis of traditional Fourier analysis. APF USES a slippage iterative calculation method to suit DSP control system.
在传统傅里叶分析的基础上，给出了一种实时傅里叶分析的方法，并针对DSP控制系统，运用了滑窗迭代的计算方法。
Applying Fourier transform frequency spectrum analysis, the equivalent formula and arithmetic for calculating the dielectric loss at power frequency are deduced.
基于这种变频法思想，结合傅里叶变换频谱分析法推导了介质损耗参数的工频等效计算公式和算法。
Studies in this article show that if the displacement of target cloud is less than two pixels, Fourier analysis technique is an appropriate method of computing CMW.
本文研究表明，对于给定的导风云图序列，如果示踪云在给定时间间隔内的位移小于两个像距，适用傅立叶相位分析法计算云迹风；
The simulation results indicate that the spatial Fourier analysis is a better method to determine the MHD perturbation mode in tokamak.
比较结果表明，用空间傅里叶分析法识别托卡马克中的MHD扰动模式是一种可以行之有效的方法。
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