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qixiang
气象色谱波峰波谷检测，比较简单的方法，欢迎大家下载(Meteorological chromatographic peaks and valleys detection)
- 2013-11-15 14:12:21下载
- 积分：1
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MATLABforControlSystems
matlab for control system
- 2010-06-06 01:24:43下载
- 积分：1
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PVarray-P-PSO
PV array connected with PSO
- 2016-10-25 14:01:09下载
- 积分：1
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FIRfilters
说明： FIR数字滤波器的设计，利用各种窗函数设计各种类型的数字滤波器。(FIR digital filter design, using a variety of window function design of various types of digital filters.)
- 2009-08-28 09:41:44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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asfmodel_definitive_resonant
电子工程转换器模块例子，在matlab simulink 7.5中运行(Converter modle matlab simulink )
- 2009-06-22 20:57:55下载
- 积分：1
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testing_fcn_block
Function BLock is use to define the mathematical model
- 2011-02-10 22:03:37下载
- 积分：1
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Digital-TEST-Matlab
数字实验和MATLAB，很好的教程，欢迎下载列子很全(Digital experiments and MATLAB, a good tutorial, welcome download Liezi very full)
- 2012-07-13 22:07:47下载
- 积分：1
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FM-HHT
基于HHT方法的模拟调频信号的hilbert谱分析(HHT-based method of analog FM signal hilbert spectral analysis)
- 2009-11-25 15:37:22下载
- 积分：1
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3
说明： 利用Matlab中的simulink工具箱仿真。单相桥式PWM逆变电路，采用单极性触发方式，负载 ，电源 ，建立模型，制作PWM触发模块，画出基波幅值与占空比关系图。(Using simulink toolbox of Matlab simulation. Single-phase PWM bridge inverter circuit, the use of unipolar trigger mode, load, power, establishment of model, trigger the production of PWM module, draw the fundamental relationship between the amplitude and duty cycle.)
- 2009-08-14 17:07:55下载
- 积分：1
