piano_notes_research

隐马尔科夫语音识别，源代码，只需修改部分便可实现其他功能。(HMM sound recognition)

直升机的三个姿态角的pid控制算法，matlab中的simulink仿真程序，配合最优pid设计算法，得到很好的控制效果(Three attitude angle of the helicopter pid control algorithm matlab in simulink simulation program, with the optimal pid design algorithm, well controlled)

Calculates four SSC parameters of the input signal. SSC stands for Statictical Signal Characterizations. Deals with time domain signals.

power_transfo3wdn，matlab仿真文件,电力电子、功率电子控制方面很有价值，调试通过(power_transfo3wdn, matlab simulation files, power electronics, power electronics control valuable debugging through)

一种智能优化算法-人工神经网络算法的matlab源程序(artificial neural network)

光度立体成像 通过物体在两个不同点光源下拍摄的两张图片 获得物体的三维信息(Photometric stereo imaging computer vision)

一种用于雷达中的信号检测程序，是一个仿真程序，验证对信号的估计(A kind of signal detection procedures used in radar, is a simulation program to signal to verify the estimate )

几个经典的matlab device例子，很好用，值得学习的。(matlab device)

this is maximum power detection.

说明：  利用FFT频谱，包络谱，以及谱峭选频滤波的方法，在时间线下诊断故障。(Using FFT spectrum, envelope spectrum, and spectral selection filtering method, fault diagnosis under the timeline.)