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matlab_faction
说明： 一些基本的matlab函数，比较常用，希望能够帮助各位初学matlab的朋友们(Some basic matlab function, commonly used, I hope you can help novice matlab friends)
- 2008-10-17 22:06:21下载
- 积分：1
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MAP
说明： 这个Matlab程序实现了MAP算法-最大后验概率算法，同时包括对算法有：卷积编码、卷积解码，BPSK，AWGN。同时绘制它的误码率和SNR(信噪比)。(The Matlab program achieved a MAP algorithm- maximum a posteriori probability algorithm, at the same time including the algorithm are: convolutional coding, convolution decoding, BPSK, AWGN. At the same time rendering its error rate and SNR (signal to noise ratio).)
- 2008-11-30 12:45:21下载
- 积分：1
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LFMv1
此程序用于生成线性调频雷达信号，用matlab实现，并作了比较(This procedure is used to generate the chirp radar signals using matlab realize, and compared)
- 2011-07-15 15:40:04下载
- 积分：1
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fft2
ADC转换器的 fft测试，包括几个MATLAB程序(ADC converter fft test, including several MATLAB programs)
- 2012-01-09 11:44:25下载
- 积分：1
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TLSF-2.4.6
最新的TLSF源码实现，具有很好的实时性(The latest TLSF source codes, with a good real-time )
- 2010-01-31 22:32:58下载
- 积分：1
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fdtd2D
模拟了一个6cm直径的金属圆柱散射体，在高斯源激励下的模场分布图，采用了PML边界(a 6-cm-diameter metal cylindrical scatterer in free space is modeled. The source excitation is
a Gaussian pulse with a carrier frequency of 5 GHz.)
- 2011-01-13 21:59:27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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Amplify-and-forward
This programe provides SER analysis of amplify and forward cooperative protocol using QPSK modulation.
Results are compared with theoratical results for QPSK modulation with AWGN and Rayleigh fading channels
- 2013-04-22 17:32:33下载
- 积分：1
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noise-estimation
音频处理算法：语音增强技术是语音信号处理技术中的一门关键技术，本例是一种较为经典的用来估计噪声的算法程序，其实现较为简单，便于初学者学习，改程序已经通过仿真实验，并且实验结果用在方便哦的论文中。(Speech Enhancement technology is voice signal processing technology in a key technology, in this case is a more classical algorithm used to estimate the noise, its implementation is simple, easy for beginners to learn, to change the program has been through simulation experiments, and experiments results of paper in a convenient oh)
- 2011-12-26 16:17:36下载
- 积分：1
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14.1-2
说明： 《MATLAB时频分析技术》例题matlab编程实现第十四章14.1-14.2(err)
- 2008-09-23 15:33:20下载
- 积分：1
