Chaotic-time-series-analysis-

Given a time series, the algorithm will test its non-linearity calculating the lyapunov exponent by Jacobi method

常用信号分析程序，包括FFT，画包络谱，频谱，自相关、互相关，倒频谱，功率谱(Common signal analysis program, including FFT, painting envelope spectrum, spectrum, auto-correlation, cross correlation, cepstrum, power spectrum)

用matlab作非线性最小二乘拟合，数学建模与数学实验(Using matlab for nonlinear least squares fitting, Math Modeling and Experimental Math)

matlab源程序，包含两个文件，主体是采用JPDA数据关联算法实现两个匀速运动目标的点迹与航迹的关联(matlab source, contains two files, the subject is using JPDA data association algorithm to achieve two goals uniform motion trace and track the point)

this program simulates 1D electromagnetic Maxwell equations with absorbing boundary condition to prevent reflection from the boundaries of the problem space. this is by using finite difference time domain method FDTD

以matlab做pitch-shift的功能展示.基於phase-vocoder技術在頻域上做pitch-shift.(In matlab to do the pitch-shift function display based on phase-vocoder techniques in the frequency domain to make pitch-shift.)

Spycam coding in Matlab using various commands

Code for PPG signal to estimate the HR of subjects doing intense exercises

CT重建算法-直接反投影技术的matlab源代码(CT reconstruction algorithm- direct back-projection technology matlab source code)

有详细的注释，数值分析的EULER法，基于kaiser窗的双谱线插值FFT谐波分析，采用波束成形技术的BER计算，包括脚本文件和函数文件形式，是学习PCA特征提取的很好的学习资料，非归零型差分相位调制信号建模与仿真分析 。( There are detailed notes, EULER numerical analysis method, Dual-line interpolation FFT harmonic analysis kaiser windows, By applying the beam forming technology of BER Including script files and function files in the form, Is a good learning materials to learn PCA feature extraction, NRZ type differential phase modulation signal modeling and simulation analysis.)