MPEG1_results

这里提供了两个消除趋势相的matlab程序 在故障诊断中 要对信号进行频谱分析 而在频谱分析前要消除趋势相 这样得到的频谱 能更好的反映故障 有利于进一步诊断(Here are two trends in the elimination phase of the matlab program in fault diagnosis to the signal spectrum analysis and spectrum analysis in the former to eliminate the tendency of such spectrum can be better reflected further in favor of fault diagnosis)

原始肌肉电信号实现加噪声，频谱分析，积分肌电值求解(Muscle to achieve the original signal plus noise, spectral analysis, solving the integral EMG)

说明：  Matlab時頻分析工具箱原始碼及其應用(Matlab toolbox-source time-frequency analysis and its application)

PF,EPF,UPF的对比仿真代码，可以很直观的看出各种算法之间的差别及各自的优缺点。可直接运行。(PF, EPF, UPF contrast simulation code, it is intuitive to see the differences between the various algorithms and their respective advantages and disadvantages. Can be directly run.)

能够实现信号的短时傅里叶变换，对仿真信号或实测信号进行时频分析，(To achieve short-time Fourier transform signal, the frequency analysis of the signal in time.)

永磁同步电机(PMSM)的矢量控制仿真模型，速度环采用滑模变结构控制，仿真波形较好。(The vector control simulation model of permanent magnet synchronous motor (PMSM) adopts sliding mode variable structure control in speed loop, and the simulation waveform is good.)

the file have a fft shift and hipass and lowpass filter and other options that works with signal .

matlab 模糊数学应用的一本非常好的书籍(Application of fuzzy mathematics matlab' s a very good book)

辛普森二维积分的数值计算方法,运用c++程序进行编写 (numberical analysis)

simulator pcm with noise using matlab