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

论文设计了一种基于USB接口的虚拟数字存储示波器。

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

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。

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The study is mainly focused on the system interface among digital photogrammetry, GIS and Virtual reality, 3D modeling, ; texture making and virtual environment design.

着重研究解决了全数字摄影测量系统、GIS与虚拟现实系统之间的数据接口问题，三维建模，纹理制作及虚拟环境生成等问题。

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