变换分析一段脉搏波 hhtmai

绘制柯西雪花曲线，直接运行koch（x）就可以得到x阶的曲线。(Draw koch snow curve.Run koch(x) directly and you can get the x step koch snow curve)

matlab 关于主成分分析的详细代码，附带数据及gui界面文件，可直接运行(matlab on principal component analysis of the detailed code , files with data and gui interface can be run directly )

说明：  实现ASK调制的详细过程，对学习很有帮助(ASK modulation to achieve the detailed process of learning is helpful)

时频分布显示源代码.适合于非稳态的时频联合分析,可直接用于MATLAB编程,无解压密码.(time-frequency distribution shows that the source code. Suited to the non-steady-state joint time-frequency analysis can be used directly in MATLAB programming, without extracting passwords.)

使用matlab对心电信号进行处理，使用离散余弦变换(ECG signal using matlab processing, the use of discrete cosine transform)

汽车系统动力学的操纵动力学部分，经检查正确(Automotive parts handling dynamics of system dynamics, the check for the correct)

text recoginition system

模糊控制系统设计，用matlab语言实现系统设计(Matlab language used fuzzy control system design)

求出语音mel倒谱系数的matlab代码，返回mfc(function mfc=mfcc(x) )

利用三电平中心削波自相关法实现清、浊音判定，并提取一段话音的基频参数，绘制基频曲线，并将该参数曲线合并到前面提取的短时过零率和短时能量参数曲线图中(Using a three-level center clipping from the relevant law to achieve clear, voiced determination, and extract some of the fundamental parameters of the voice, drawing the fundamental frequency curve and merge the parametric curve to the front of the extraction rate and the short-term zero short-term energy parameters graph)