论文设计了一种基于USB接口的虚拟数字存储示波器。

This paper proposes a design of virtual digital storage oscilloscope based on USB interface.

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本文以软件控制技术为关键，配以接口电路，研制了超低频虚拟数字存储示波器。进行了相应的软、硬件系统的设计。

The lower frequency virtual digital stored oscillograph was designed and researched combining software control technology with interface circuit, software and hardware system were made.

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虚拟数字存储示波器系统由信号采集、信号处理和结果显示三大部分构成，但是除了信号采集部分是由硬件实现之外，其它两部分都是由软件实现。

Virtual digital-storage oscillograph system includes signal acquisition, signal processing and output display. Except signal acquisition is completed by hardware, the others are realized by software.

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