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Quasi-periodic-scattering-problems
A new method for periodic scattering problems using 2nd kind boundary integral equations and the free-space Green s function, adding extra degrees of freedom on the unit cell walls, and imposing quasi-periodicity in an expanded linear system.(A new method for periodic scattering problems using 2nd kind boundary integral equations and the free-space Green s function, adding extra degrees of freedom on the unit cell walls, and imposing quasi-periodicity in an expanded linear system. This avoids the problems with the standard approach, namely: the quasi-periodic Green s function is slow to evaluate, it diverges at Wood s anomalies, and it does not handle large aspect ratios well. Our new approach cures all three issues, and can easily be `wrapped around an existing code (e.g. fast-multipole acceleration) for the isolated-obstacle scattering problem.
It includes the latest talk slides: "A new integral representation for quasi-periodic scattering problems in two dimensions")
- 2012-08-30 21:02:31下载
- 积分：1
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public
Base64编码说明 Base64编码要求把3个8位字节(3*8=24)转化为4个6位的字节(4*6=24),之后在6位的前面补两个0,形成8位一个字节的形式。 如果剩下的字符不...(Base64-encoded instructions require the Base64 encoding three 8-bit bytes (3* 8 = 24) was converted to 4 6 bytes (4* 6 = 24), then in front of the two s complement 6 0, 8 is formed bits in a byte form. If the rest of the characters do not ...)
- 2015-03-18 17:44:08下载
- 积分：1
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hosa
说明： 本院程序是信号处理中关于高阶统计量的一个程序包。编程环境是matlab,有利于大家的学习。(Court procedures are signal processing on a higher-order statistics package. Programming environment are matlab, in favor of the U.S. study.)
- 2008-08-31 18:23:45下载
- 积分：1
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802.11
说明： 关于802.11a的matlab仿真，可以用于仿真(on 802.11a Matlab simulation, simulation can be used)
- 2006-03-18 22:33:46下载
- 积分：1
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psoToolbox
Help psoToolbox V1.0
psoToolbox provides an interective GUI based Toolbox to solve
optimization problems using particle swarm optimization.
Creat a fitness function in M-file.
Inputs:
Function : Function handle of fitness function.
Nvars : Number of variable to be optimized.
LB : Lower Bound of Nvars (1 X Nvars)
UB : Upper Bound of Nvars (1 X Nvars)
Parameters:
C1 : Cognative Attraction
C2 : Social Attraction
W : Inertial
Population Size : Number of Swarms
Max Iterations : Maximum number of epochs.
Click on " RUN PSO " button to start PSO search. You will get the out put
at Edit box below the axes.
- 2013-11-24 04:13:20下载
- 积分：1
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LLE
LLE算法用Matlab实现，完全能达到LLE算法的要求。(LLE algorithm using Matlab, fully able to meet the requirements of the LLE algorithm.)
- 2013-05-06 17:22:43下载
- 积分：1
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mohukongzhiguize2
炉温模糊控制规则的matlab simulink仿真(Furnace temperature fuzzy control rules matlab simulink simulation)
- 2013-12-06 08:35:51下载
- 积分：1
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Solving-ODEs-with-Matlab
讲述ODE初值问题、边值问题和时滞问题的英文资料(This book is for people who need to solve ordinary differential equations (ODEs), both initial
value problems (IVPs) and boundary value problems (BVPs) as well as delay differential
equations (DDEs).)
- 2012-11-28 16:16:36下载
- 积分：1
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concrete02-and-steel02-for-ABAQUS
混凝土单轴滞回本构
钢筋滞回本构
可用于ABABQUS子程序材料(concrete02 and steel02 for ABAQUS)
- 2021-02-04 17:29:58下载
- 积分：1
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hh
说明： 【 摘 要】 提出了一种基于负熵的快速不动点1 C A算法， 介绍了负熵的定义和如何将其用作代价函数度量混合信号的非
高斯性。 详细介绍了基于负熵的固定点准则以及简化算法。实验选取 3个非高斯向量作为信号源进行 Ma t l a b分离仿真， 结果显示
分离效果良好。 (Abstract Based on the rapid Negentropy 1 CA fixed point algorithm, introduced the definition of negentropy and how to measure its cost function for mixed-signal of the non-Gaussian. Described in detail based on the fixed-point Negentropy criteria and simplify the algorithm. Experiment to select three non-Gaussian vector as a signal source separation Ma tlab simulation results showed good separation efficiency.)
- 2009-04-11 22:22:44下载
- 积分：1
