scale_free

segmentation of an image!! matlab code.image processing

说明：  这是用于matlab的lssvm时序预测算法，亲测可用(This is the lssvm timing prediction algorithm for matlab, pro test is available)

文件划分，文件划分，文件划分，文件划分。(file divide)

三相晶闸管桥式整流器 比且实用PI控制alpha 角度(three phase converter with PI controller)

说明：  日本科学家奥村通过对城市进行大量无线电波传播损耗的测量，得出了一系列经验曲线用于无线蜂窝网络的规划设计。在这些经验曲线的基础上，推出了简化的Hata模型。(Olympic Village by Japanese scientists a great deal of radio waves in urban propagation loss measurement, the experience curve obtained for a series of planning and design of wireless cellular networks. In the curves on the basis of these experiences, the introduction of a simplified Hata model.)

This is about the code of polardb function to plot in polar coordinates

双向无线中继信道中，两个源端交换数据，不进行信道编码，直接调制发送至中继，进行直接网络编码再广播至源端(The two-way wireless relay channel, the two source ends to exchange data, does not perform channel coding, directly modulated broadcast to the source side is sent to the relay, the direct network coding)

dual tree discrete wavelet transform (dtdwt) matlab codes

UFLDL中，pca in 2D 的代码，运行结果与提示结果一致(UFLDL，pca in 2D )

From the partial fraction expansion of H(z) we can find a, b