plotting-fourier

说明：  a基于simulink仿真系统的ask模型(a simulation system based on simulink model ask)

凸分析基础 中文教材。纯粹这方面的资料不多（多为凸优化之类），中文的书籍更难找，有用该方面知识的同行多多交流。(Chinese textbook based on convex analysis. Little information in this area (mostly convex optimization and the like), Chinese books are harder to find, useful knowledge that more exchanges with colleagues.)

Gold 序列产生程序，产生序列的长度n，主要用于扩频代码中(gold sequence)

μ律PCM编码，小信号放大，大信号缩小，非均匀量化实现的一种方式，实用。(μ-law PCM coding, small signal amplification, large signal narrow, one way to achieve a non-uniform quantization, and practical.)

Extracting MFCC features for audio files and removing silence them. Then calculating some statistical functions

本代码利用Matlab计算氢原子里德堡态的斯塔克效应。(The use of Matlab code to calculate the Stark effect of the hydrogen atom Rydberg states.)

用matlab实现对语音信号的短时分析，包括清音和浊音的判决，基音周期的估计，实验报告。(Implemented by matlab short time speech signal analysis, including the voiceless and voiced judgments, estimates, lab reports pitch period.)

小波包变换的c程序代码，调试通过，可以使用(Wavelet Packet Transform c program code, debugging through, you can use)

simulation of fuel cell -part3

地震褶积模型的设计，采用的是雷克子波。速度模型设计引入了弱反射层(Seismic convolution model of the design, using the wave Leike Zi. Velocity model designed to introduce a weak reflection layer)