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短时傅里叶变换可以用差分模式来实现，对书上的运算式做了稍许的改变。改变-计算差分序列的第一列数据时用的是第一列的元素减去当前行的最后一列元素。原算法中采用的是第一列元素减去下一行第二列元素。原算法加窗之后结果比较好，不加窗时结果误差很大，而改变之后的算法不加窗效果依然很好。(Short time Fourier transform can be used to achieve the differential mode of expression on the book made a slight change. Change- calculating the difference sequence of the data with the first column is the first column of the matrix by subtracting the current element in the last column of row. Is used in the original algorithm subtracts the elements of the first column of the next row and the second column elements. After the results of the original algorithm windowed better, when the results window without great error, and after changing algorithms no window effect is still very good.)

该论文对于目前的无线传感网络节能问题的若干问题进行了认真研究，提出了自己的心的解决方案(The thesis for wireless sensor networks present a number of energy issues conducted a careful study, put forward their own solutions to the hearts of)

简单的gui界面下的有关静定梁的受力分析(A simple gui interface on statically determinate beam Stress Analysis。)

calculate the response of gulralp cmt-40 seismometer

GRID STORAGE BATTERY

用matalb进行ofdm的仿真，这个程序可以运行，简单明了(matalb used for the ofdm simulation, the process can run simple and clear)

说明：  matlab 遗传算法的程序，主函数 T_youhua。 (Matlab GA procedures, the main function T_youhua.)

matlab灰色模型，基本的代码，写的比较详细 (Matlab grey model of the basic application )

S 函数 编写的 最大功率捕获程序 在MATLAB上 调试成功 请大家参考(S function to write the greatest power capture program in MATLAB debugging success, please refer to)

simulation matlab code