Mathematical-Surface-Analysis

利用matlab软件平台生成音乐音符，7个音符，不同的乐器实现(create a music tone)

power factor improvement by using converters

说明：  matlab有限长序列的DTFT分析，详细说明了matlab的基本功能(DTFT matlab finite length sequence analysis, detailed description of the basic functions of matlab)

杜达的《模式分类》第二版的配套的Matlab源代码杜达的《模式分类》第二版的配套的Matlab源代码杜达的《模式分类》第二版的配套的Matlab源代码 ( pattern classificationthe second edition of the supporting Matlab source codethe supporting Matlab source code Duda39quot pattern classification,quot the second edition of the supporting Matlab source code)

海洋各个参数的计算程序，包括密度，前密度，距离等各要素，适用于海洋学。(It s suit for Oceanography)

说明：  极限学习机一种单隐层神经网络，用于数据分类，故障诊断等(ELM is A single hidden layer neural network for data classification, fault diagnosis, etc)

说明：  由4个.m文件组成，用于16QAM和64QAM调制的软信息的提取(By 4. M files for 16QAM and 64QAM modulation of the soft information extraction)

For PSO implimentation.

MATLAB编程实现语音信号的时域特征提取，如分帧、过零率、短时能量、语谱图等(Speech signal feature extraction)

信号的二阶累积量估计,cum2函数为互二阶累积量估计，cum2est函数为单个向量的二阶累积量估计(The second order the cumulative estimated cum2 function for mutual order cumulants estimated cum2est function as a single vector order cumulant estimation)