kalman

Cubic spline interpolation and low pass filter

基于拉普拉斯光滑算子的变换，常用于人脸识别(Smooth operator based on Laplace transform, using face recognition program)

matlab实现用语音信号作为调至信号的幅度调制和频率调制，以及解调。(Matlab implements amplitude modulation and frequency modulation using speech signals as modulation signals, and demodulation.)

球谐函数的小程序，有必要的参考价值，对于理解有一定的帮助(Legendre function)

仿真了FM信号产生和调制的过程，方法简单，内容详尽，已经过调试。(Simulation of the FM signal and modulation process, the method is simple, detailed, has been testing.)

TDOA/AOA定位的扩展卡尔曼滤波定位算法Matlab源码(TDOA/AOA positioning of the extended Kalman filter localization algorithm Matlab source code)

Addition for existing code

接触网固有频率计算程序，可根据注释输入接触网参数，利用求结构矩阵特征值的方法求取接触网的固有频率…(Catenary natural frequency calculation program, according to the catenary comment input parameters, the use of structural matrix eigenvalue seeking ways to strike a catenary natural frequency ...)

matlab檔案，用於讀取nmea檔案，將NMEA檔案輸出成一個Class架構值(read and parsing NMEA file)

画任意曲线的包络线，目前matlab里面还没有关于画曲线包络线的(plot the envelope of curve)