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wavelet
基于Haar wavelet的小波方法实现图像压缩，并附有图像实例(Haar wavelet-based method of implementation of wavelet image compression, together with examples of images)
- 2009-11-23 11:13:08下载
- 积分：1
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chi
matlab code for chi squre test
- 2011-11-13 03:09:58下载
- 积分：1
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mqam-demodulation
mqam demodultion code with fc,fs,fd,M and ini_phase parameter
- 2014-01-02 16:36:50下载
- 积分：1
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Viterbi
Viterbi Decoder in C
- 2014-02-21 03:01:41下载
- 积分：1
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ding
选取windows系统自带的ding.wav信号作为分析对象，在Matlab软件平台下，利用函数wavread对音频信号进行采样，记住采样频率和采样点数，听一下原始声音sound(y, fs, bits)。
（2）音频信号的频谱分析，先画出音频信号的时域波形；然后对音频号进行快速傅里叶变换fft(y,N)，N取32768，画出信号的频谱特性，加深对频谱特性的理解。
（3）根据频谱，反演时域特性，画出时域波形。寻找幅值最大的两个频率，此频率除以fft点数在乘以采样频率就是信号的主频，即可合成信号的时域图形，听一下声音。
（4）对原音频信号进行1024点的分段付立业分析meshgrid
（5）根据主要频线合成音频，并画出时域图形，试听合成效果。
（6）采用线性插值（linspace）和傅立业反变换(fliplr, ifft)分别合成音频，并画出时域图形，试听效果。
(err)
- 2009-01-13 16:23:47下载
- 积分：1
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fdtd_example
成功实现3维FDTD的算法，算法简洁明了(Successful implementation of the three-dimensional FDTD algorithm is simple and clear)
- 2009-11-20 20:39:55下载
- 积分：1
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2ASK
本压缩包是关于二进制ASK调制方式的MATLAB实现，大家可以试一下。(This zip is a modulation of imply 2ASK,and everyone can have a try.)
- 2014-10-28 08:57:36下载
- 积分：1
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11
说明： 基于MATLAB软件实现二进制序列的cmi编码输出程序和波形绘图(Based on MATLAB software cmi binary sequences encoded output waveform drawing program and)
- 2014-12-26 00:50:01下载
- 积分：1
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pcreff
一个强大的工具分析 寻找 逆转录(逆转录)跟随由聚合酶链反应，该程序定量分析信使核糖核酸。定量表达基因水平，特别是能为低级的丰富信使核糖核酸提供分析工具。(Reverse transcription(RT) followed by PCR is a powerful tool for the detection and quantification of mRNA. It is the most sensitive method for the detection and quantification of gene expression levels, in particular for low abundance mRNA.
The relative quantification is based on the expression ratio of a target gene versus a reference gene. Some mathematical models have already been developed to calculate the relative expression ratios, with or without efficiency correction. Normally the PCR efficiency is set at 2 (the max possible value) for the reference and target gene, but a difference in PCR efficiency of 0.03 between the target and reference gene, the falsely calculated difference in expression ratio is 46 in case of Et<Er and 209 in the case of Et>Er. The difference will increase dramatically by higher efficiency differences: i.e. DE=0.05 (27 and 338 ) and DE=0.1 (7.2 and 1083 )
This function computes the efficiency of PCR reaction and is based on my function MYREGR)
- 2011-01-22 00:52:34下载
- 积分：1
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Etalonnage
Etalonnage des photos: sterioscopie
- 2013-01-14 23:19:17下载
- 积分：1
