本文介绍了多线程在数据采集处理系统中的应用，并对不同方法设计的线程的运行效率进行分析比较。
This paper introduces the application of multithread in data acquiring and processing system and studies running efficiency of vary kind of thread designed in special method.
首先介绍了多线程技术的基本原理，然后讨论了多线程技术在串口通信中的应用，并给出了实现的方法和步骤。
This article illustrates the basic theory of multithread, then discusses its application on serial communication, and presents a general way and step of implementation.
通过对高效的IDL设计和多线程技术的研究，并应用这两种技术，使系统具有较高的性能。 测试结果表明这两种方法对系统性能的改善有明显效果。
Research and application of the efficient IDL design and multithread programming technology improve the system performance, the two methods are proved to be effective by system testing.
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