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this is computer communication network book

该段程序描述了如何去估计多普勒频率变化率。参考文献为Morelli的《Doppler-rate estimation for digital burst transmission》( This section describes how to program the estimated Doppler frequency rate of change. References to Morelli s "Doppler-rate estimation for digital burst transmission")

Hilbert_OFDM for Power Line communication

希尔伯特-黄变换的matlab代码，仅供参考(Hilbert-Huang Transform)

小波分析变换在轴承故障诊断中的应用，利用小波变换检测是否有轴承外环故障。(Wavelet analysis Transform in bearing fault diagnosis using wavelet transform to detect whether there is a bearing outer ring failure.)

this is a homw work for students to get concept

一个简单的基于Matlab的BP神经网络的事项~~~~(A simple matter based BP neural network in Matlab ~ ~ ~ ~)

对轴承故障信号进行小波包分解，重构能量最大的频段信号，并对该重构信号计算样本熵(Decomposing the bearing fault signal using waveletpackage method ,and reconstruct the maximum energy frequency band ,and then accumulate the sample entropy of the reconstructed signal )

对图象进行压扩变化 内含一个Word 文档 将其输入MATLAB 可直接运行(Change of image compression and expansion of a Word document containing its input can be directly run MATLAB)

Simulation and Modeling of the PMSM Servo System