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xishu
应用切片理论计算船舶水动力系数,以一条船分为20站为例进行计算(Application slice theoretical calculations ship hydrodynamic coefficients to a boat into 20 stations as an example calculation)
- 2013-12-25 09:15:33下载
- 积分:1
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CS-for-underwater-acoustics-master
压缩感知是目前比较火的一个领域 分享一段学习过程中发现的程序 matlab语言(CS-for-underwater-acoustics-master)
- 2019-07-09 09:26:48下载
- 积分:1
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Levinson_Durbin_Algo
功能描述:用matlab语言实现Levinson-Durbin算法
函数名:Levinson_Durbin_Algo
输入参数:
(1)R:自相关矩阵或者其估计值
(2)P:AR模型的阶数
输出参数:
(1)A:p阶AR模型的参数,它是一个长度为P+1的行向量
(2)E:噪声功率
调用函数:无
被调用:L_D_sim.m
作者:mingcheng
编写时间:2009-11-13
修改时间:2009-11-13
版本:V1.0 (Function Description: The matlab language Levinson-Durbin algorithm function name: Levinson_Durbin_Algo Input parameters: (1) R: correlation matrix or its estimated value (2) P: AR model orders output parameters: (1) A: p-order AR model parameters, it is a line of length P+1 vector (2) E: noise power call the function: No to be called: L_D_sim.m Study: mingcheng write time :2009-11-13 modified :2009-11-13 version: V1.0 )
- 2010-07-11 12:14:31下载
- 积分:1
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gaot
说明: 遗传算法工具箱中的遗传算法源代码,希望有用(GA genetic algorithm toolbox source code, hope that useful)
- 2011-04-15 17:58:26下载
- 积分:1
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MatLab
很好的Matlab入门教程,非常适合初学者!(Matlab Tutorial good, very suitable for beginners!)
- 2010-05-23 08:51:17下载
- 积分:1
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11
说明: empirical formula with kaiser
clc
clear all
fs=1000
fc=250
df=50
r=0.001
f=fc/fs
dw=2*pi*(df/fs)
a=-20*log(r)
n=floor(((a-8)/(2.285*dw))+1)
if a>50
b=0.1102*(a-8.7)
elseif a>=21 && a<=50
b=0.5842*((a-21)^0.4)+0.07886*(a-21)
elseif a<21
b=0.0
end
w=kaiser(n,b)
for i=1:n
if i~=(n-1)/2
hd(i)= (2*f*sin((i-((n-1)/2))*2*pi*f))/((i-((n-1)/2))*2*pi*f)
elseif i==(n-1)/2
hd(i)=2*f
end
end
for j=1:n
h(j)=w(j)*hd(j)
end
subplot(3,1,1), plot(w)
subplot(3,1,2), plot(h)
subplot(3,1,3), plot(h,n)
- 2014-12-24 23:20:03下载
- 积分:1
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CDT
CDT规约,统称循环式远动规约,电力调度系统经常使用,经多年实践验证通过,需要时,可修改自己内部接口,完成代码移植。(CDT Statute, collectively, cycle remote Statute, power dispatching systems often use, after years of practice verified, if necessary, to modify their own internal interface, complete the code transplant.)
- 2013-12-11 10:16:12下载
- 积分:1
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GACOTSP
广义蚁群算法在TSP问题中的实现,得出蚂蚁寻找到的最优路径和收敛过程。(Generalized ant colony algorithm in TSP problems, draw ants to find the optimal path and the convergence process.)
- 2013-12-19 14:43:55下载
- 积分:1
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案例5
基于BP_Adaboost的强分类器设计——公司财务预警建模(Design of strong classifier based on BP_Adaboost: modeling of corporate financial early-warning)
- 2018-03-01 15:55:23下载
- 积分:1
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Matlab-arima
说明: 金融时间序列分析,常用的一些模型分析过程,此仅对ARIMA 做了一些参考(Do time-series.look for some progrom refer to time series of Finalcial data,espeically using ARIMA model.)
- 2010-04-09 10:34:50下载
- 积分:1