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矩阵特真问题求解，用于解矩阵的特征值，根据数值计算方法得到(Matrix special real problem solving for the solutions of eigenvalue, numerical methods are based)

S-Function 使用及应用举例。欢迎下载，互相学习，共同努力(S-Function use and application, for example. Welcome to download and learn from each other and work together)

说明：  单位抽样序列单位抽样序列单位抽样序列x(n)(x(n) x(n) x(n) x(n) matlab)

此程序对协作通信的中继选择和功率控制，采用了蚁群算法。(The program of collaborative communication relay selection and power control, using the ant colony algorithm.)

qpsk modulation 这是从网上下载的。已经经过验证。(qpsk modulation which include the generation of random number, and eye diagram, power spectrual density)

smooth different is types of filter for DSP in matalb

对码元序列进行基带成型滤波，来减少码间串扰，采用的是升余弦滚降滤波器，可以通过更改参数的方式来更改成根升余弦滚降滤波器(Symbol sequence baseband shaping filter to reduce inter-symbol interference, raised cosine roll-off filter, you can change the parameters to change into a root raised cosine roll-off filter)

gets the value of an environment variable.

升余弦滚降系统的源程序 大家共享哈。。。。。。。(some matlab program)

光纤Bragg光栅的基模（LP01）的有效折射率和谐振波长的计算测试程序，欢迎拍砖