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个人编写的提取音频信号的时域特征参数短时平均过零率及短时平均能量的matlab源程序。供大家参考(Extraction of individual preparation of the audio signal in time domain characteristic parameters of short-term average of zero-crossing rate and short-time average energy of the matlab source. For your reference)

解非线性方程组的gui程序，选自机械工业出版社出版的《时尚百例丛书》(solving nonlinear equations of gui procedures, industrial machinery from the publishing house "Fashion 100 cases Series")

L滤波型逆变器仿真模型,调适通过，效果一般，适用于matlab12及以上版本(L filter-based inverter simulation model)

传统PID整定与利用模糊控制算法进行整定(Traditional PID tuning with the use of fuzzy PID control algorithm)

说明：  matlab在机械实际场合的应用，文件结合实例，很丰富的(matlab mechanical application of the actual situation, the file with an example, a very rich)

an algorithm to calculate fast fourier transform of sound signal

Its valentine week..pass this to engineer girlfriend..nd she will more happy by looking into this cute valentine heart made in matlab..

帮朋友写的主成分分析，有图形显示，注意请自行判断数据是否需要转置。(Help a friend wrote principal component analysis, a graphic display, attention please judge for themselves whether the data needs to transpose.)

计算火箭发动机推力室的喷气速度随喷管压强比和喷管面积比变化的规律(Jet speed calculation rocket engine thrust chamber with the nozzle pressure ratio and nozzle area ratio changes in the law)

说明：  这个是非常好的matlab图论教程，是书籍和代码都有，对入门复杂网络是非常好的，复杂网络就是以图论入门的(This is a very good Matlab Graph theory tutorial, books and code are available, for the introduction of complex networks is very good, complex networks is the introduction of graph theory)