摘要
介绍微机数据采集系统的组成和应用。利用汇编语言和 BASIC语言的混合编程 ,结合 82 53可编程定时器精确控制采样时间可实现高速精密数据采集 ,通过高级语言与低级语言的数据交换 ,使整个数据采集系统从采样频率到数据量均可实现程序控制及高质量的数据处理。针对正弦信号的频率测量及电容量测量 ,给出测量方法和数据处理方法 ,并对测量结果进行误差分析。
A data acquisition sysem and its application in experiment were introduced. A mixed programming of BASIC and Assembly language was applied to finish the data acquisition and processing, especially for the measurement of frequency of sine signal and capacitance of a capacitor. With an INTEL 8253 programmable counter provided to control the sampling interval a high-precision data acquisition was acquired from the sampling frequency to the total amount of data by the exchange between high-level language and the lower.
出处
《实验室研究与探索》
CAS
2001年第4期76-78,共3页
Research and Exploration In Laboratory
