Aptitude_Sample_Paper

几个用matlab编写的程序，都是针对excel文件的，读取.xls文件并对数据信号进行相关处理(some code based on matlab ,used to read excel format data)

there is a matlab cod that describe how we can compute poincare map in general for nonlinear differential equation,in dynamical system.

time scale modification SOLA

将实信号变换为复信号，提取信号幅值、相位角，计算相位同步指数，分析各组信号数据之间的同步稳定性。(The signal is converted into a complex signal, extraction of signal amplitude, phase angle, calculation of phase synchronization index, analysis of stability of synchronization between each signal data.)

根据油膜轴承特点，编制了润滑数值计算程序，实现对油膜压力的数值模拟及显示。(According to the characteristics of the oil film bearings, lubrication compiled numerical procedures to achieve the numerical simulation of film pressure and display.)

本代码采用python语言编写的的一个LSTM时间序列来预测销量(This code uses a LSTM time series written in Python language to predict sales)

用matlab实现摄像头输入 当关闭界面时 保存关闭时的图像(Matlab implementation with off camera input interface when saving images off)

说明：  使用matlab编写的SOA算法，可以应用于PID参数优化整定(SOA algorithm for PID parameter tuning)

雷达系统中MTI归一化幅度响应的MATLAB算法仿真。(MTI simulation for radar signal process it is good。)

PF_UKF_EKF等滤波程序的比对，比较，代码比较详细，非常好用~(PF_UKF_EKF filtering procedures such as comparison of the comparison, the code in more detail, very easy to use ~)