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LinearBPM
这是一个简单的FFT为无电位1 +1 +1 Ð 薛定谔方程的光束传播方法。如果该软件灵活,允许引入的术语(如果是极少数需要包括色散效应高阶导数)。例如,如果一个人渴望解决的一个方程的形式:
(四/ dz的+ Ð ^ 2/dx ^ 2 - 0.25 * Ð ^ 3/dx ^ 3)== 0 Ÿ
它可以解决使用以下代码:
Ž = linspace(0,1,512)
x = linspace(-5,5,1024)
psi0 =进出口(- x的。^ 2)
Ð = D_lateral1D(十,2)-0.25 * D_lateral1D(十,3)
字段= LinearBPM(psi0,有D,Z)
凡D_lateral1D是一个函数,提供“取代”的微分算子。
这个函数是在一个非线性的BPM,我曾对(分步,谱方法等),将提交给我,当我完成他们的文件和组织功能更复杂的设置非常初期阶段。
(This is a simple FFT based beam propagation method for potential-free 1+1+1D Schrodinger equation. The software if flexible and allows to introduce high-order derivatives in the term (very handful if is needed to include dispersion effects). For example, if one desires to solve an equation in the form:
(d/dz+ d^2/dx^2- 0.25*d^3/dx^3)Y == 0
It can be solved using the following code:
z=linspace(0,1,512)
x=linspace(-5,5,1024)
psi0=exp(-x.^2)
D=D_lateral1D(x,2)-0.25*D_lateral1D(x,3)
field=LinearBPM(psi0,D,z)
Where D_lateral1D is a provided function that "replaces" the derivative operator.
This function is a very early stage in a more complex set of non-linear BPM functions that I have made (split-step, spectral methods, etc.) and I will submit them when I finish their documentation and organization.
Sorry for my English, I m eager for your comments.
)
- 2010-07-05 12:02:42下载
- 积分:1
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adaptive
自适应信号处理 LMS SER RLS三种搜索算法 matlab实现 及比较(adaptive signal processing LMS SER RLS search algorithm matlab achievement )
- 2013-12-11 12:44:17下载
- 积分:1
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Matlabwaveletsecond
《MATLAB工程应用书库:MATLAB小波分析(第2版)》以最新版MATLAB R2011a为平台编写。从信号处理的角度阐述小波分析的基本原理及其应用。(The MATLAB application stacks: MATLAB wavelet analysis (second edition))
- 2013-11-28 12:56:51下载
- 积分:1
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med
说明: 最小熵解卷积,通过解卷积运算降噪,且能实现故障特征分离
资源下载(Minimum entropy deconvolution, noise reduction by deconvolution, and fault feature separation
Resource download)
- 2021-03-01 19:14:02下载
- 积分:1
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hmzuizong
对检层法测井中出现的浅层时间倒转问题实现模拟,更好的理解测井中的这一问题。(Logging on Logging Method shallow back in time to appear in the issue of analog, a better understanding of logging in this issue.)
- 2010-07-18 08:32:59下载
- 积分:1
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text_DBSCAN2
说明: 使用MATLAB平台运行的一个完整的DBSCAN聚类算法(A Complete DBSCAN Clustering Algorithm Running on MATLAB Platform)
- 2019-04-18 19:31:32下载
- 积分:1
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Fx_SxFz
Unitire轮胎模型与滑移率的Simulink模型(Simulink Model of Unitire Tire Model and Slip Rate)
- 2021-04-15 16:58:54下载
- 积分:1
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sampling
samling using matlab
- 2009-09-04 07:41:37下载
- 积分:1
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matlab-program-and-gui-design
matlab中一些基本的gui界面设计及操作(Some basic matlab gui interface design and operation)
- 2013-12-14 19:47:38下载
- 积分:1
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bv_cvxbook
最新的一本凸优化外文书籍,讲得通俗易懂,很好的一本书。(A convex optimization foreign language books)
- 2012-12-04 15:54:13下载
- 积分:1