kalman

牛顿多项式拟合卫星精密星历，默认15分钟类型，内插至30s(Newton)

AONOLD置乱，自己选择置乱次数，周期为48次，自己选择是加密还是解密(AONOLD scrambling, scrambling to choose the number of cycles 48 times, their choice is the encryption or decryption)

10mQPSK C++代码 rrc滤波(10mQPSK C++ rrc)

二元三节点拉格朗日插值函数源代码，用于二位数据插值和科学计算，适合学习matlab者参考。(Two yuan three-node Lagrange interpolation function source code for the two data interpolation and scientific computing for learning matlab reference.)

说明：  两个参数自适应模糊PID的例子，能用，效果不错(auo tuning of Fuzzy PID)

基于matlab的fft信号谱分析，基于matlab的fft信号谱分析，基于matlab的fft信号谱分析(Based on signal spectral analysis matlab' s fft)

傅立叶相位加密，用于图像加密，效果好，需要密钥图像，也在压缩包里。适用于灰度图象。(Fourier phase encryption for image encryption, which is good, need to key images, but also compressed bundle. Apply to the gray-scale image.)

关于DPSK的matlab程序，看对大家有没有用(DPSK matlab program to see that everyone did not use)

（1）matlab入门第一步，基本的matlab操作，轻轻松松进阶matlab((1) matlab Getting a first step, the basic matlab operation, easily advanced matlab)

对于非线性系统 如duffing和Lorenz系统，使用龙格库塔法求其系统响应，并画出相图和分岔图( For nonlinear systems such as duffing and Lorenz system, seeking its response system using Runge-Kutta method, and draw the phase diagram and bifurcation diagrams)