cyclic

采用Jakes模型对一个简单的移动通信信道进行仿真。(Jakes model with a simple simulated mobile communication channel. )

说明：  通过最大熵和自适应灰度阈值方法来对图像进行分割，可得到效果较好的分割图像(By maximum entropy and the adaptive threshold method of image segmentation, image segmentation can be obtained better)

本代码为认知无线电频谱检测中循环周期特征检测算法的仿真代码(The code for spectrum sensing in cognitive radio feature detection algorithm cycle simulation code)

电子科大matlab作业实例，可以进行参考(Matlab example of UESTC)

说明：  一个功率谱估计的程序，有需要的可以研究一下(A power spectrum estimation program can be studied if necessary.)

该算法构造了一个列重为4的校验矩阵，并检验了是否存在周长为8的环(The algorithm constructs a series of important check matrix of 4 and test whether there was a perimeter ring of 8 )

通过matlab实现Nyquist滤波器(realization of Nyquist filter)

用于主成分分析学习,非常强大，一学就会，分享了(for Principal component analysis )

Guyan法模型减缩,缩减系统治疗刚度矩阵维数，同时保持低阶模态精确性(Guyan condensaton method)

使用ID3决策树算法预测销量高低,对数据进行预处理，最终打印并画决策树(Using ID3 Decision Tree to Predict Sales)