一个用FTT法实现相关函数的快速估计程序(A correlation function with the FTT method to achieve the rapid estimation procedures)

stm32硬件SPI方式控制ADS1247采样驱动程序(stm32 hardware SPI driver controls the ADS1247 sampling)

说明：  CGAL是一个功能强大的图行学算法程序库，这是源码安装包，是C++开发的，需自己编译。(CGAL is a software provides efficient and reliable geometric algorithms in the form of a C++. This is a Setup.exe program. After download it, you can compile it.)

C++ Primer 第四版中文版, 高清文档 ， 备份一下C++ Primer 第四版中文版， 供平时下载查看

CC2530定时器3比较输出模式，解压后直接使用(CC2530 Timer 3 compare output mode directly after decompression)

后台数据库使用SQL Server，前台开发工具使用Visual C++，采用ADO数据访问技术(Background database using SQL Server, front development tool Visual C++, ADO data access technology used)

WDF驱动很好的入门书籍，通俗易懂，原理清晰，实例简单。(WDF drivers good introductory book, easy to understand, the principle is clear, simple examples.)

基于ArcEngine的三维GIS演示系统，利用ArcScene开发的三维GIS漫游系统(Three-dimensional GIS-based presentation systems ArcEngine, the use of three-dimensional GIS ArcScene Roaming System Development)

在正点原子精英板STM32F103上已经调通,读取心率、血氧SPOZ等，使用非常方便，加了快速傅里叶变换，得到的结果比较准确。

详细介绍了GM(1,1)的算法，并结合实际应用数据，得出了较为准确的预测结果，说明了算法的可行性。(Details of the GM (1,1) algorithm, combined with the practical application of the data obtained more accurate forecasting results, indicating the feasibility of the algorithm.)