zigzag

matlab编的程序，很好的matlab编的程序，(matlab allocation procedures, allocation matlab good procedures,)

buck circuit for open loop

二进制数字调制信号ook,2psk,2fsk信号及其频谱(Binary digital modulation signal ook, 2psk, 2fsk signal and its spectrum)

说明：  处理波形，计算声波再通过障碍物以后的延迟,从而计算声波在不同介质中的传播速度(Treatment of waveform, calculated the time delay after the sound waves pass through the obstaclesand，In order to estimate the acoustic propagation velocity in different media)

解决遗传算法MATLAB编程，有助于初学者借鉴。(Solve the genetic algorithm MATLAB programming, help for beginners to learn from.)

设计四轮转向的仿真图，前轮转角位输入，利用动力学方程计算，画出仿真图。(Design of four-wheel steering simulation diagram, the front wheel Angle input, using dynamic equation calculation, draw the simulation diagram.)

常微分方程初值问题的数值解法 本程序主要采用经典四阶的R-K方法和四阶Adams预测-校正方法来求解常微分方程的数值解。 (Numerical Solution of Ordinary Differential Problems of this procedure using the classical fourth-order RK method and fourth-order Adams prediction- correction method to solve the numerical solution of ordinary differential equations.)

说明：  KPCA的提出者亲自写的程序。是一份很值得收藏的经典代码。(KPCA the author himself procedures. It is a very worthwhile collection of classic code.)

Kalman filter examples, learning_demo

GPS 导航定位系统卡尔曼滤波 假定船舶向某固定方向航行，以港口码头的出发处为坐标原点。 假定船舶在二维平面上运动，初始位置为（-100m，200m），水平运动速度为 2m/s， 垂直方向运动速度为 20m/s，GPS 接收机的扫描周期为 T = 1s，观测噪声的均值 为 1，方差为 100。 采用卡尔曼滤波跟踪船舶航行轨迹。 1、绘出真实轨迹、观测轨迹、滤波后轨迹 2、滤波前误差、滤波后误差(Calman filtering of GPS navigation and positioning system)