动力学环境试验数据采集系统结构及性能分析

Structures and performances of data acquisition and processing systems in dynamics tests

摘要: 文章在总线结构、硬件组成、数据管理模式、扫描正弦数据处理方法（频率辨识、幅值估计）方面研究了目前动力学环境试验各种数据采集系统的特点和差异，同时对未来超大型数据采集系统的发展趋势进行了分析。

Abstract: This paper studies the characteristics and the differences of various data acquisition and processing systems in terms of bus structure, system architecture, data management and processing methods for sine sweep signals, frequency identification and response estimation. The development trend of larger data acquisition system is also discussed.