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qt vision matching for learning

说明：  在stm32f407vet6上写的关于驰海电机闭环驱动程序(Closed-loop Driver for Chihai Motor Written on stm32f407vet6)

arcgis，mxd批量生成pdf，速度快！(Arcgis, MXD batch generation pdf, fast!)

说明：  读写音频实现。利用python代码，可以很方便的分析出音频参数。(about read sound, we can know the paragramme of sound.)

各种排序的pascal演示 你可以看到各种排序的效率 适合用于课堂演示-various sort of pascal demo, you can see the efficiency of various sort suitable for classroom demonstration

可以根据已知条件进行计算，求出前方交会所需数据 -Can be calculated on the basis of known conditions, find the intersection in front of the required data

FAT文件操作系统经典,能够实现在PC上的文件操作(FAT file system operation classics, can achieve file operations on the PC)

CSA SOFTWARE SOURCE CODE VC+++

说明：  图卷积神经网络，图神经网络的一种，通过提取特征来训练神经网络，实现网络嵌入(Graph Convolution Neural Network, a kind of Graph Neural Network, trains the Neural Network by extracting features to realize network embedding.)

运用小波分析把地震波分频，选取4阶db为母小波，可以进行多次分频，减小分频误差(The wavelet analysis is used to divide the seismic wave frequency and select the 4 order DB as the mother wavelet, which can be divided into several times to reduce the frequency division error)