Mathematical-modeling-

说明：  利用matlab实现高斯分布、指数分布、正太分布等概率分布的方法。(Using matlab to achieve Gaussian distribution, exponential distribution, is too distribution probability distribution method.)

代码为对OFDM调制信号使用LS信道估计算法的仿真代码(Code for the use of OFDM modulation signal LS channel estimation algorithm for the simulation code)

使用MATLAB写的惯性卫星组合导航卡尔曼滤波器程序(Using MATLAB to write inertial satellite combination navigation Kalman filter program)

单频干扰陷波器源码。自适应陷波器,与一般陷波器比较，有两大优点：（1）能够自适应地准确跟踪干扰频率。 （2）容易控制带宽.(Single-frequency notch filter interference source. Adaptive Notch Filter, Notch Filter with the general comparison, there are two main advantages: (1) can be adaptively tracking the exact frequency interference. (2) easy to control bandwidth.)

Symbol Synchronisation using matlab

matlab仿真微分方程，分别用欧拉法，改进欧拉法，龙格库塔法，四阶adams显式隐式算法对比精度。(matlab simulation of differential equations, respectively, with Euler, improved Euler method, Runge-Kutta method, fourth-order implicit algorithm adams explicit comparison accuracy.)

计算BPSK在AWGN下得误码率。其中，设置高斯白噪声的功率为1，也即是归一化功率(calculate the BER of BPSK under AWGN channel)

LPC program example

超声波系统下的FFT仿真程序,可以将主要频率的波长滤波出来(FFT simulation program of ultrasonic system, can filter out the main frequency wavelength )

说明：  共轭梯度法程序代码，实现f(x1,x2)=4(x1-5)^2+(x2-6)^2的最小值求法。(Conjugate gradient method program code)