Spread_Frequency

基于simulink的载波恢复模型，可以观察星座图(carrier recovery)

四阶龙格库塔法解微分方程，并与ode45，精确解比较(Fourth-order Runge-Kutta method for solving differential equations with ode45 exact solution)

1、 生成多周期线性调频信号，并对其进行频谱分析； 2、 对仿真生成的信号利用两种窗口函数进行STFT变换生成时频分析图(1, to generate multi-cycle chirp signal, and its spectrum analysis 2, the signal generated by the simulation window function using two STFT transform to generate time-frequency analysis chart)

平行平面腔的数值分析,由方形反射镜组成的平行平面腔中，反复利用Fresnel-kirchoff公式，求出镜面场分布(Numerical analysis plane parallel cavity, formed by a square mirror plane parallel chambers, the repeated use of Fresnel-kirchoff formula mirror field distribution obtained)

对于一组数据求数据频率。绘制频率分布曲线。matlab求频率函数(Statistics_Toolbox of matlab to draw frequency curve)

液压伺服 系统二次型最优控制器设计提供了了相应的matlab算法结构。具有一定的研究价值(Hydraulic servo system quadratic optimal controller is designed to provide corresponding matlab algorithm structure of it. Have certain research value )

本程序用matlab中的simulink对对象进行辨识，利用了S函数。(This procedure in simulink with matlab for object recognition, using the S function.)

手机定位中基于TDOA技术的泰勒算法的仿真(TDOA mobile location technology based on the Taylor algorithm simulation)

学会用MATLAB编写程序； 学会一维搜索法； 精确的一维线性搜索法：0.618法； 非精确的一维线性搜索法：goldstein法；(Learn how to use MATLAB programming Society of one-dimensional search method precise linear one-dimensional search method: 0.618 law non-accurate one-dimensional linear search method: goldstein law )

说明：  路径规划的避障，主要是ros之中路径的规划等等(Obstacle avoidance path planning)