摘要
提出了采用声卡、Matlab和数据采集工具箱快速构成廉价的数据采集系统的方法。阐述了采用声卡和Matlab的测试系统原理、特点和应用方法。介绍了多种扩充系统的方法和应用模式。针对基于声卡的测试系统中可能存在的隔直电容、双工操作、输入和输出的隔离问题作了分析。
The method of establishing low cost data acquisition platform by using sound card,Matlab and data acquisition tool.The principle,features and method of the measuring system composed of sound card and Matlab are described.Many methods of expanding the system and applicable modes are introduced.The problems may occur in the system based on sound card,e.g.,DC blocked capacitor,duplex operation,isolation of input and output,etc.,are analyzed.The applicable strategy in lab for Coriolis mass flowmeters is given.
出处
《自动化仪表》
CAS
北大核心
2004年第8期26-28,共3页
Process Automation Instrumentation
