work23

进行谱分析，常用的几种谱分析方法，包括welsh(Spectral analysis, spectral analysis of several commonly used methods, including welsh)

基于遗传算法的非线性方程的拟合，实现高拟合质量，不需要输入初值。(Fitting nonlinear equations based on genetic algorithms to achieve high quality fit, do not enter the initial value.)

实现了彩色图像的RGB和HIS模型的互换(Achieved the RGB and HIS color image exchange model)

PCA主成分分析的matlab代码，可以用来学习原理，效果还不错(PCA principal component analysis can be used to study the principle, the results were pretty good)

本文主要讨论了各种提高matlab程序运行速度的方法与技巧。(This paper discusses the methods and techniques of the ways of increasing the the matlab program running speed.)

包括相位编码（含二相BPSK和四相QPSK）、线性调频LFM、非线性调频NLFM、脉冲幅度调制(PAM)信号、带噪FSK频率编码信号等的信号源码，是很好的产生各种雷达信号的程序资源。(Including the phase encoding (including two-phase four-phase BPSK and QPSK), LFM LFM, non-linear FM NLFM, pulse amplitude modulation (PAM) signal with noise signals encoded FSK frequency signal source, is to produce a good variety of radar Program resources signals.)

This zip-file contains 7 codes which implement the 1 dimension programs from Sullivan´ s book for beginners, with some corrections.

MATLAB SVM KM TOOLBox de 的例子(MATLAB SVM KM TOOLBox de examples)

关于turbo码的译码matlab源码，主要有map,MAX_LOG_MAP,LOG_MAP等资料(Decoding of turbo code matlab source code, there are map, MAX_LOG_MAP, LOG_MAP etc.)

ofdm基带传输，信道编码，QPSK调制，卷积编码(the OFDM baseband transmission, channel encoding, QPSK modulation, convolutional encoder)