应用于小型风洞的数据采集系统
A DATA AQUISITION AND PROCESSING SYSTEM FOR SMALL WIND TUNNEL TESTING
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摘要: 随着科研工作的大量增加,应用计算机采集和处理实验数据已成为当务之急。目前,关于数据采集和处理的资料很多,但均以A/D、D/A转换,数字处理为主,构成一套成整的数据采集系统的资料却非常少。尤其在实际应用中,专用的数据采集系统是必不可少的。因此,本文从实际应用出发,叙述了小型风洞实验数据采集系统的软硬件之构成,重点叙述了风洞实验中对计算机的遥控装置。Abstract: This paper presents a data aquisition and processing system designed and adapted to small wind tunnels for testing simulation models. For convenience and efficiency a remote control subsystem is especially designed for communication between the computer and the testing site. The relevant data aquisition and processingsoftware package has been composed. Actual operation of this system shows that its performance is satisfactory. This system can process a data collection of 5x50 messages in 10 different conditions in only a few minutes.
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