feature-extraction

信号的FFT变换、经典功率谱分析和现代功率谱分析，周期图法、尤利沃克方法、burg方法、协方差和改进协方差方法(Signal FFT transform, the classic power spectrum analysis and modern power spectrum analysis and periodogram method, method of Julius walker, burg, covariance and the covariance improvement method)

利用MATLAB实现有限元分析中8节点平面结构单元的计算，程序中定义多个参变量及函数，具有极强的通用性(Using MATLAB to achieve 8-node finite element analysis of plane structural elements of the calculation, the program defined in the function of many variables and parameters, is highly versatile)

用巴特沃斯方法和切比雪夫方法做的数字带通滤波器(Bandpass filter using the method of Butterworth and cut the number of Chebyshev method )

matlab中QPSK的simulink仿真，包括星座图以及频谱分析(The simulink matlab in QPSK simulation, including constellation and spectrum analysis)

matlab for pemula pepek busuk

自编的增加维数精细积分求解非线性动力学方程的程序(pim method)

this source code find minimum,maximum ,mean and variance of image databases and store them in file named exemplars.mat

说明：  此代码为π_4DQPSK解调源程序，用MATLAB实现,使用差分方式。(This demodulation π_4DQPSK source code using MATLAB to achieve, the use of differential mode.)

power_SwitchedReluctanceMotor.rar,功率电子领域matlab仿真文件，已经验证过，程序运行正常(power_SwitchedReluctanceMotor.rar,Power electronics field matlab simulation file, has already been verified, the normal operating procedures)

卡尔曼滤波处理有色噪声的matlab程序 -kalman filter(Kalman filter for Colored noise)