audio_matlab

提供一位搜索方法黄金分割法，比较简单实用。(GoldenSectionMethod)

Including orbital maneuvering simulation, initial orbit calculation, Machine learning routines, Complete class-based image processing, contains all of the source code, auto image.

采用不同窗函数对信号进行了WELCH谱估计，并可以做出对比分析。(Different window function of the signal spectrum estimation WELCH, and can make a comparative analysis.)

一种基于快速空间频域算法和位相解包裹的三维重建算法。(Spatial frequency domain based on fast phase unwrapping algorithms and three-dimensional reconstruction algorithm.)

other somf again for clustering data as comparation to other methodes

序贯相似性检测算法，matlab源代码，代码简单，便于理解！(Sequential similarity detection algorithm, matlab source code, the code is simple, easy to understand!)

这是接着上一次的一些大家很可能用到的聚类分析方法，有PCA等，希望能给大家一些帮助。(then this is the last time some people may use the cluster analysis method, PCA. I hope that it provides some help.)

说明：  8. 单径瑞利信道中的四发四收V-BLAST： (1) 请设计一种具体的导引辅助的信道估计方法，用Simulink进行仿真，测量16QAM调制时的误码率性能。画出比特信噪比与信道估计均方误差的关系曲线，画出比特信噪比与误码率的关系曲线。 (4 Explain the working principle of convolutional encoding and decoding. Please use the Simulink simulation convolutional coding and Viterbi decoding method used to decode, in which the encoding, decoding all 8 single-path Rayleigh channel of the four rounds of four closed V-BLAST: (1) Please design a specific The guide-assisted channel estimation method, using Simulink for simulation, measurement 16QAM modulation bit error rate performance. Draw-bit signal to noise ratio and channel estimation mean square error curve, draw-bit signal to noise ratio and bit error rate curve.)

实现高维数据向低维数据的转变，降低维数希望群主采纳！(To realize the change of high dimensional data to low dimensional data, reduce the dimension of hope group of main adopted!)

时频分析，用于时频分析，压缩文件，概率密度曲线 ，计算样本向量x的概率密度估计，返回在xi点的概率密度f，此时我们使用plot(xi,f)就可以绘制出概率密度曲线。(Time-frequency analysis, time-frequency analysis is used to compressed files)