py663

九点差分格式，精度比五点差分要高，对于实现有限差分，是一个重要的程序(Nine-point difference scheme, the accuracy than the five-point difference is higher, for the realization of finite-difference, is an important procedure)

Matlab program to export the ECG signal database Physionet.

应用Matlab计算边界条件，解决最优控制问题。(Matlab Boundary Conditions )

Attached file contains matlab code for the ghaph based segmentation

MATLAB插值与数据拟合、样条插值与数值微积分、由已知数据拟合数学模型、信号分析与数字信号处理基础(MATLAB interpolation and data fitting, spline interpolation and numerical calculus, from the known data fitting mathematical model, signal analysis and digital signal processing-based)

四旋翼无人机飞行仿真程序，用于四旋翼无人机的模拟飞行。(Four-rotor UAV flight simulation program for the four-rotor UAV Flight Simulator.)

说明：  对广义预测控制算法的性能指标进行改进从而编写的程序，可以达到更好的控制效果。(By improving preparation procedures on the performance index of generalized predictive control algorithm, and can obtain better control result.)

本程序为将WuYufei的turbo码中随机交织器程序改为分组交织器的程序，此分组交织器为20by20实现行入列出功能，经调试可用(This procedure will be WuYufei random interleaver of turbo codes in the program changed to packet interleaver process, this packet interleaver row into the list for the 20by20 achieve functionality, can be used by the debugging)

MATLAB通信仿真中的simulink仿真全面讲解，菜鸟上手的讲点教材(MATLAB simulation of the simulink simulation of communication round talks, the rookie get started speaking point of teaching materials)

功率谱估计和信号频率估计方法 周期图法 BT法(Power spectrum estimation and the signal frequency estimation methods periodogram )