利用虚拟仪器采集卡实现海量数据采集存贮与波形实时回放  

Using Virtual Instrument Collecting Card for Mass Data Collection and Storage and Real-time Waveform Playback

作　　者：程志[1] 是海梅 邓秀华[1] 

机构地区：[1]中国船舶重工集团公司第七一○研究所,湖北宜昌443003

出　　处：《水雷战与舰船防护》2008年第4期34-38,共5页Mine warfare & Ship Self-Defence

摘　　要：利用虚拟仪器采集卡的高速硬件定时触发、采集和输出缓存以及板载DMA通道数据传输等硬件特性,在软件编程上采用双缓存技术,可以做到对测量信号的连续采集与海量数据存贮,并能做到数据波形实时回放,进行仿真处理。Continuous collection and mass data storage of measured signals and real-time data waveform playback and simulation treatment can be achieved through utilizing virtual instrument collecting card's hardware characteristics of high-speed hardware timing actuation,collecting and output of the buffer storage and plate-board DMA channel data transmission,etc,and using double buffer storage technology for software programming.

关 键 词：虚拟仪器 数据采集 双缓存 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置]