ration-PWM

Two path model calculator

This is FDTD example for sullivan book the origine program was C

Finite difference modeling of Poisson equation: A very simple learning code

产生QPSK信号，根据仿真的数据估计差错概率(Produce QPSK signal and estimate the data according to the error probability)

第 一 类 第 一 类 修 正 贝 塞 尔 函 数(Modified Bessel function of first kind)

数学建模中可能会用到的有关计算机中图的概念的一些程序(Some programs may use the computer in the concept of mathematical modeling)

小波与近似熵相结合的机械振动噪声信号分析 1 近似熵算法： 2 快速近似熵算法： 3 复morlet小波实验程序： 4谐波小波实部与虚部的程序： 5谐波小波分析时频图： (Harmonic wavelet combined with approximate entropy mechanical vibration and noise signal analysis)

inverted parabola is a matlab source code to simulate antenna gain

说明：  加速度到位置的二次积分模型，采用simulink编写，带加速度噪声，可用于简单的导航位置与实际位置仿真(Acceleration to the position of the double integration model, using simulink writing, with acceleration noise can be used for simple simulation of the actual location of the navigation position)

说明：  此模型为双向DCDC，可用于电池充放电，燃料电池升降压模拟等。采用PWM控制IGBT管占空比。可直接运行，在其基础上修改简单(This model is a bidirectional DCDC, which can be used for battery charging and discharging, fuel cell buck-boost simulation. PWM control of the IGBT tube duty cycle. Can be run directly, modify it on the basis of simple)