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介绍了基于 IEEE488接口卡的虚拟频谱仪系统。该系统由带有 HP-IB接口卡的计算机、HP85 92 B型频谱分析仪以及 HP-IB总线构成。分析和讨论了该系统的硬件构成、基本工作原理、软件编程和在实验中遇到的一些问题及解决方案。
The virtual spectrum analyzer system based on IEEE488 interface card is introduced. The system consists of a computer with an HP-IB interface card, an HP85 92 B spectrum analyzer, and an HP-IB bus. The hardware structure, basic working principle, software programming and some problems and solutions encountered in the experiment are analyzed and discussed.