fractaldim

Python matlab converter, Runs in Python.

RBF code using matlab

说明：  用来计算固有模态函数（IMF）瞬时频率及振幅包络的代码(The function FA computes a frequency and amplitude of data(n,k), where n specifies the length of time series, and k is the number of IMFs. )

加窗处理的信号分析，矩形窗与hamming窗的比较。DTFT，DFT等(The windowing processing of signal analysis)

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)

用于学习软判决解调算法,文件中包含用于算法描述的文献,以及对应matlab代码,支持PSK,QPSK,16-QAM,64-QAM四种调制方式(Demodulation algorithm for learning soft decision, contained in the file for the algorithm described in the literature, as well as the corresponding matlab code support PSK, QPSK, 16-QAM, 64-QAM four modulation)

This matlab code describes soft demapper (soft bit) for different modulation types: BPSK, QPSK, PSK 8, QAM 16, QAM 64, which are considered for turbo encoding/decoding. And simulation results are also presented.

this is a matlab transform dct

直接下载即可。关于数字水印的matlab里程(can be downloaded directly. Digital watermarking on the Matlab mileage)

lms算法的MATLAB实现。采用LMS算法对一段SIN+RANDOM的噪声滤除RANDOM后显示SIN。(lms algorithm MATLAB implementation. LMS algorithm using a SIN+ RANDOM then SIN displayed after noise filtering.)