The application of the double buffering acquisition in cycle mode with DMA(Direct Memory Access) and the multithreading technique of Visual C~(++)for the high-speed data acquisition is described chiefly.

• 重点描述了采用DMA(D irectM emory Access)循环双缓冲采集方式和VC++6.；0多线程技术将高速数据采集引入到闪光焊质量分析中的实施过程。