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)。
This paper will use small signal analysis and split-step Fourier to solve the complex nonlinear Schrodinger equation (NLSE).
在群速度色散和自相位调制的共同作用下，可用分步傅里叶方法模拟初始啁啾对高斯脉冲在光纤中传输的影响。
Then the effects of higher-order group-velocity dispersion (GVD) on SC generation in different fibers are analyzed and contrasted in details through simulation.
空间傅里叶分解法是一种新的合成孔径雷达（SAR）成象方法。
The spatial Fourier decomposition method is a new method for the SAR imaging.
为了改善高速磁浮主轴的径向回转精度，该文提出了二维傅里叶频率分析的新方法。
A novel method about two dimension Fourier frequency analysis is proposed in order to obtain high radial rotate precision.
傅里叶分析是将声音分解为正弦波的数学方法。
Fourier analysis is the mathematical method used to break sounds down into sine waves.
在有限电导率光栅的微分理论中引入校正傅里叶展开方法，改善了计算收敛性。
In order to improve the convergence rate, a correct Fourier expand method was introduced to differential theory of the finite conductivity diffraction grating.
给出了一种基于离散傅里叶不变特征的人脸识别方法。
A face recognition method based on discrete Fourier invariant features is presented.
目前有多种采用傅里叶算法求取信号谐波分量相量值的方法，使得工程技术人员无从选择。
Currently, a number of methods proposed for calculating the phasors of harmonic components of signals using the Fourier algorithm seem to make electrical engineers puzzled as to which to choose from.
结果表明，虚拟激励法在汽车随机振动分析中的应用和傅里叶分析方法同样有效，却简单得多。
The results show that in application to vehicle random vibration analysis, pseudo excitation method is as effective as Fourier analysis method but much simpler.
把傅里叶频谱分析方法引入棱镜-薄膜波导耦合系统的输入输出耦合问题，快速而完整地求解了系统输入输出耦合方程组。
The Fourier spectral analysis method is applied to the input-output coupling problem of a prism-thin film waveguide system. The input-output coupling equations are solved fast and exactly.
与其他方法相比，傅里叶-贝塞尔方法具有计算速度快，数学形式简练，易于理解和应用的优点。
Compared with other methods, the Fourier-Bessel method is of the advantages of fast calculation, simple math format, easy understanding and application.
通过一个广义的傅里叶级数方法求解的控制方程，并随后得到相应的载荷挠度曲线。
The governing equations are solved by means of a generalized Fourier series method, and subsequently the corresponding load deflection curves are obtained.
本文利用傅里叶数值方法(即伪谱法)求解该方程来模拟各向异性介质中弹性议的传播。
Elastic wave propagation in anisotropic medium is simulated by solving the equation system with the aid 'of Fourier numerical method (pseudo-spectrum method).
介绍了分步傅里叶数值方法的原理和步骤。
The principle and process of the split-step Fourier method(SSFM)is introduced.
建立了描述厚层光刻胶内衍射光场形成过程的物理模型，并利用傅里叶模方法模拟计算和分析了其内部衍射光场分布。
Then Fourier model method, mostly applied to study the diffractive properties of gratings is adopted to analyze the diffractive image field in thick film photo resist.
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。
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.
讨论空间曲线的表达和描述方法，提出用矩和傅里叶描述符描述空间曲线的方法。
The expression and description methods of space curve are demonstrated. The methods of using moment, Fourier to describe the space curve is proposed.
傅里叶合成方法是一种可以根据期望的光谱特性曲线设计渐变折射率薄膜的方法。
Fourier-transform method was a method could be used for the design of Gradient-index thin film according to the desired spectral transmission curve.
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。
The simulation results indicate that the spatial Fourier analysis is a better method to determine the MHD perturbation mode in tokamak.
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。
In order to solve this problem, proposed one solution, and has carried on the theoretical analysis with the Fourier formula to it.
本文简要介绍了傅里叶红外光谱仪的原理和构造，综述了傅里叶红外光谱分析在环境试验中的应用以及分析、研究方法和技术。
The principle and construct of FTIR and its application in environmental testing were introduced. The analysis and study methods and technology were also summarized.
由于在全息干涉测量中引入载波条纹，所以能够方便地应用傅里叶分析方法分析计算干涉条纹的动态变化。
With the introduction of carrier fringes in digital holographic interferometry, Fourier analysis method was used to analyze interference patterns and calculate their dynamic changes conveniently.
这个方法是根据周期函数的傅里叶级数的性质和利用数学的抽象性质，直接推导出另外三种形式的傅里叶变换。
According the basic properties of Fourier series of period function and using of the abstract nature of mathematics, the method directly derives other 3 kinds of Fourier transform.
利用分离变量法和二重傅里叶级数的方法，得到了矩形膜的受迫振动初边值问题的解。
By using separation of variables and double Fourier series, we obtain a solution to the initial-boundary value problem of the forced vibration of this rectangular membrane.
采用非模方法，得到了扰动量的剪切傅里叶谐波分量随时间演化的方程组，并对方程组进行了数值分析。
Using the Nonmodal approach, the temporal evolution equations with Spatial Fourier Harmonics for the disturbed quantities are obtained, and have been studied numerically.
并用傅里叶分析的方法导出正确的结论，且与实验现象完全符合。
By means of Fourier analysis, a correct result is derived which fits well with the experimental results.
该方法对图像分别进行一次菲涅耳变换和分数傅里叶变换，并在图像的菲涅耳域和分数傅里叶域上分别利用随机相位版施行相位编码。
In this paper, image is Fresnel transformed and Fractional Fourier transformed successively, and phase encoding is implemented in both Fresnel domain and Fractional Fourier domain.
提出了一种基于旋滤波法的干涉条纹预处理方法，并将其应用到载波傅里叶分析法中。
A new fringe-pattern preprocessing based on median spin filter is proposed to deal with the interferogram with high-level noise.
用傅里叶频谱分析方法研究了横向莫尔条纹中一个光栅倍频时莫尔条纹的变化。
Based on the lateral Moire fringe of the gratings, the change of Moire fringe was researched by using Fourier spectrum while the frequency of a grating was changed.
实验结果表明，本文所提出方法在保持空间域图像质量的同时有效的减小了傅里叶域光谱的失真。
Experimental results show that the proposed scheme can achieve better performance in Fourier domain while maintaining the image quality in spatial domain.
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