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this file consists of matlab codes for portfolio optimization, codes are complete and a compelte example with some tests are included

this file perform convolutionalencoding

利用牛顿迭代法解非线性方程，这是其matlab程序(Using Newton iteration solution of nonlinear equations, which are its matlab program)

自己编写的程序，产生Sierpinski衬垫图案,简易实现。附带在网上下载的两个Sierpinski程序供大家一起学习。(their preparation procedures have Sierpinski liner pictorial, simple to achieve. Fringe in the downloaded two Sierpinski procedures for all learning together.)

常见信号的调制解调过程 如QPSK BPSK等(qpsk，bpsk and so on)

matlab的文件读取，用于读取DNA序列先分文件，再调用import data(matlab file reader for reading the DNA sequence of the first file, and then call the import data)

此程序段能完整画出所要图形曲线的蛛网图，其它网站上基本没有提供，对学习经济控制问题是个很有帮助的的功能程序。(This program segment to be able to draw a complete graph of the cobweb diagram, other sites basically did not provide for the study of economic control issue is a useful feature programs.)

该程序用于基于认知无线电NC-OFDM系统的仿真，用来计算信号的功率谱密度(The program for the NC-OFDM Cognitive Radio system simulation for calculating the power spectral density of the signal。)

说明：  正常情况下，电动机在matlab中simlink下的双PWM仿真图形( In normal condition, electric motor in matlab under simlink double PWM simulation graph )

基于MATLAB的内模控制器的简单设计实现，应用于ARM上(Internal model controller based on MATLAB realization of a simple design, is applied on ARM)