lagrange_interpolation_6_2

Based on the Matlab script for DFT-S-OFDM with plot

一道关于卫星导轨的数学建模代码；本人自己数学建模赛的源代码，共参加数学建模参考(A guide rail on the mathematical modeling of satellite code)

speech recognition / matlab / nn

通过改变想要处理的帧，和预测器阶数，对原始语音帧和预测语音帧作一个比较，并作出短时谱和lpc谱，最后作倒谱比较。(By changing the processing of the desired frame, and the predictor order, the original speech frame and the predicted speech frame to make a comparison and to make short-term spectrum and the lpc spectrum, cepstrum last for comparison.)

光缆线布建标准,布建四大要素,光纤的设计,光纤采购与安全注意事项(A standard optical fiber cable distribution, deployment four elements, the design of optical fiber, optical fiber procurement and safety precautions)

四阶经典R-K方法的Matlab程序和newton的matlab程序的实现(Matlab program to achieve the classic fourth-order RK method and newton s matlab program)

基于数据的PCA程序，程序中有故障预测，故障提取，故障预测，故障幅值估计等内容。(based on the PCA program, the program has fault prediction, fault extraction, fault prediction, fault magnitude estimation content.and so on.)

说明：  duffing振子数值建模,学习仿真，非线性动力学(study duffing Oscillator numerical modeling, learning simulation, nonlinear dynamics)

voice recognition feature

psam用户手册，对sam卡学习有帮助。(psam user manual, learning on the sam card help)