watermark小波代码

Sample program to study Location Determination Techniques using OTDOA

BER for BPSK modulation

Petri网仿真工具。。。。。。。。。。。。。。。(Petri Ney simulation tool)

说明：  基于kalman滤波的gps组合导航滤波算法(Filtering algorithm of GPS Integrated Navigation Based on Kalman filtering)

Demo for modulation 16PSK, after running you can show result

本程序利用显式差分格式，将波动方程离散化，进而求出波动方程的数值解，不断地细化空间和时间步长，可以让数值解逼近理论解。(The program with the implicit difference method, the discrete wave equation, the numerical solution is obtained, continue to refine the long walk the numerical solution can approach the theoretical solution.)

短时傅里叶变换函数，用以实现信号的短时傅里叶变换，观察时频图(Short-time Fourier transform functions to implement short-time Fourier transform signal, when observed frequency diagram)

这是计算二维Henon映射Lyapunov指数的程序，用matlab实现的，希望对大家能有用(This is a two-dimensional Henon map Lyapunov index calculation procedures, using matlab to achieve, we hope to be useful)

IIR一阶低通滤波器 一阶高通滤波器 Notch 嵌波滤波器 Peak 滤波器 IIR低通滤波（Butterworth） IIR高通滤波（Butterworth） IIR带通滤波（Butterworth） IIR带阻滤波（Butterworth） IIR低通滤波（chebyshev 1） IIR低通滤波（chebyshev 1） chebyshev 中用到的函数 cheby.m(First-order IIR low-pass filter the first-order high-pass filter Notch filter inlay Peak wave filter IIR low-pass filter (Butterworth) IIR high-pass filtering (Butterworth) IIR band-pass filter (Butterworth) IIR band-stop filter (Butterworth) IIR low-pass filter (chebyshev 1) IIR low-pass filter (chebyshev 1) chebyshev function used cheby.m)

计算多维正态分布的概率密度值，给出均值和方差矩阵(Multidimensional normal distribution calculate the probability density values, given the mean and covariance matrix)