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本文从硬件及软件两个方面论述了ＧＰＩＢ接口在示波器与计算机通讯方面的应用，从而使数字存储示波器在测试汽车点火系统性能方面发挥更大的功能。同时，介绍了作者在应用过程中对其驱动软件的优化和一些经验。
This article discusses the application of GPIB interface in the communication between oscilloscope and computer from two aspects of hardware and software, so that digital storage oscilloscope can play more functions in testing the performance of automobile ignition system. At the same time, it introduces the author’s optimization and some experience of the driver software in the application process.