伪谱方法,pseudo-spectral method英语短句,例句大全

伪谱方法,pseudo-spectral method
1)pseudo-spectral method伪谱方法
1.A numerical wave model is developed to simulate freak wave generation,which is based on the modified four-order nonlinear Schrdinger equation governing the slow variation of complex envelope in deep water and a standard split-step,pseudo-spectral method.基于控制深水复波包演化的修正的四阶非线性薛定谔方程和离散时间步长的伪谱方法,建立了畸形波生成的数值模型,模拟了边带扰动初始条件下满足边带不稳定性条件时波列的演化,统计了演化过程中生成的畸形波,并对该过程中谱成分能量的变化进行了分析。
2.Based on pseudo-spectral method,this article calculates focusing and active sonar of time reversal in shallow water environment and introduces evolution process of forward modeling sound field distribution and back analysis sound field distribution for noise source frequency of 100Hertz.本文基于伪谱方法对浅海波导环境中的时间反演聚焦和时间反演主动声纳进行了计算,给出了声源频率为100Hz的正演和反演声场分布的演化过程。
3.In this paper,the four-order nonlinear Schrodinger equations and the pseudo-spectral method are introduced to develop a 2-D numerical water flume based on the Benjamin-Feir instability of random wave trains,which is adopted to simulate the freak waves in deep water.通过引入四阶非线性薛定谔方程,基于随机波列演化的Benjamin-Feir不稳定性,采用伪谱方法建立了二维深水波浪数值水槽来模拟海洋中的畸形波现象。

英文短句/例句

1.Study, Improving and Application of Pseudospectral Time-domain (PSTD) Algorithm Used in Transient Electromagnetic Field;瞬态电磁脉冲的时域伪谱方法：研究、改进及应用
2.STUDY OF PSEUDO-SPECTRAL METHODS FOR A CLASS OF SOLUTIONS OF 2D NAVIER-STOKES EQUATIONS;伪谱法对一类二维Navier-Stokes方程解的研究
3.A Study of Adulterated Peanut Oil with Gas Chromatography;气相色谱法测定花生油掺伪的方法研究
4.Study on Adulterated Edible Vegetable Oil with Gas-Chromatograph;掺伪食用植物油气相色谱测定方法研究
5.The methods for determination of adulterated vegetable oil were introduced, such as conventional physical and chemical method, spectroscopic method, chromatography, calculate chemical method.介绍了常规理化检测法、光谱法、色谱法、计量化学法等检验植物油掺伪的方法。
6.Fourier Pseudo-spectral Method for Some Sobolev Equation and Its Applications in Heat Flow Cryptosystem;一类Sobolev方程的伪谱解法及其在热流密码体制中的应用
7.The Doctrine of “Pseudo Conception” Is False Theory --A Critical Study of Pseudo Conception of Writing Methods(Ⅲ);“伪概念”之说系伪说——创作方法伪概念辨之三
8.Application of Pseudo-spectral Method in Rapid Orbit Optimization for SGKW伪谱法在SGKW轨道快速优化中的应用
9.Method: Protein in serum sample was precipitaed with saturated ammonium sulfate and then extracted by methanol, pseudoephedrine salicylate was measured by RP- HPLC.方法:血清样品分别用硫酸铵沉淀蛋白,甲醇提取,用反相高效液相色谱法测定伪麻黄碱水杨酸盐。
10.Harmonic Retrieval Embedded in Hybrid Colored Noises: Study on the Methods of Cross-high-order Spectral Estimation with Cleared False Peaks;混合色噪声背景下谐波恢复：可抑制伪峰的互高阶谱估计方法的研究
11.The Counterfeit and Forgery Division had another successful year in combating counterfeit credit card activity, the counterfeiting of currency and the use of forged travel documents by illegal immigrants.伪钞及伪造文件组在打击伪造信用卡活动、伪钞和非法入境者使用伪造旅游证件方面再创佳绩。
12.Detection of Pseudo-Vardenafil Illegally Added into Anti-Impotence Preparations by LC-MS液相色谱-质谱联用法检测壮阳制剂中非法掺入的伪伐地那非
13.A New Adulteration Detection Method on Edible Vegetable Oils by Gas Chromatography常见植物油鉴别及掺伪的气相色谱新检测法
14.Study of Some Key Problems of the Multidomain Pseudospectral Time-Domain Algorithm and Its Applications;多区域时域伪谱算法关键问题研究及其应用
15.Wavefield Simulation with the Pseudo-Spectral Method in Anisotropic Viscoelastic and Porous Media;各向异性粘弹性孔隙介质伪谱法波场正演模拟
16.The Application of Pseudo-spectral Forward Modeling of Seismic Wave Field in Visco-elastic Medium;伪谱法在粘弹介质地震波场正演模拟中的应用
17.PN Sequence Period Estimation of DS/SS Signals Based on the Improved Cepstrum Approach;基于改进倒谱法的直扩信号伪码周期估计
18.Research on How to Discriminate Gingili Adulteration Phenomenon with GC Polt-wise;气相色谱指纹图法鉴别芝麻油掺伪研究

相关短句/例句

Pseudospectral method伪谱方法
1.Calculations of high order harmonic generation and ionization probability of o ne-dimensional atom in the intense laser field with pseudospectral method;用伪谱方法计算强激光场中一维原子的高次谐波和电离几率
2.In this paper, we propose a new numerical method which is a least squares approximation based on pseudospectral method for the biharmonic equation with nonhomogeneous boundary conditions in a two dimensional domain.本文对二维双调和方程非齐次边值问题提出了一种新的数值逼近方法:基于伪谱方法的最小二乘逼近,证明了这种最小二乘逼近解是唯一存在的,并给出了误差估计,结果表明这种方法亦具有谱精度。
3.We solve time-dependent Schrodinger equation of one-dimensional atom in intense laser field with pseudospectral method by introducing nonlinear space transformation.本文通过引入非线性空间变换，用伪谱方法数值求解了一维原子在强激光场中的含时Schr(?)dinger方程，研究了一维模型原子在强激光场中的高次谐波和电离几率，其结果与分裂算符方法所得的结果符合得很好。
3)Legendre pseudospectral method伪光谱方法
1.The problem of rapid Lunar soft-landing trajectory optimization by using a Legendre pseudospectral method was studied in this paper.为了满足探月器软着陆过程中轨道实时生成的要求,研究了伪光谱方法在月球软着陆轨道优化设计中的应用。
2.The application of Legendre pseudospectral method to the optimization space vehicle orbital transfer with finite thrust is studied.介绍了伪光谱方法在空间飞行器轨道转移最优化问题中的应用。
3.In this paper,the application of Legendre pseudospectral method to space vehicle orbital transfer with finite thrust optimization problem was studied.研究了伪光谱方法在空间飞行器有限推力轨道转移最优化问题中的应用。
4)Fourier pseudo-spectral methodFourier伪谱方法
1.The evolution of three-dimensional instability T-S wave was simulated by spatial DNS(direct numerical simulation) in which third-order precision mixed explicit-implicit scheme was employed for temporal discretization while a method combining Fourier pseudo-spectral method with high precision compact finite difference was implemented for spatial discretization.时间离散采用三阶精度混合显隐分裂格式,空间离散则结合Fourier伪谱方法及高精度紧致有限差分逼近,法向采用非等间距网格坐标变换,出口边界条件采用嵌边函数法,程序采用MPI(Message passing interface)并行方法编写。
5)pseudospectral time-domain时域伪谱方法
6)pseudo-spectral matrix method伪谱矩阵方法
1.As the preliminary theoretical study on reducing ship resistance by micro-bubbles,this paper deals with the numerical simulation of incompressible turbulent boundary flow on a plate with the pseudo-spectral matrix method.作为在理论上研究微气泡减少船舶阻力的前期工作 ,本文主要用伪谱矩阵方法计算不可压缩平板湍流边界层流动。