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Research of High Performance-price Ratio Virtual Oscillograph
Author(s): 
Pages: 1008-1010
Year: Issue:  10
Journal: COMPUTER MEASUREMENT & CONTROL

Keyword:  虚拟示波器同步分频步进取样USBLabVIEW;
Abstract: 介绍一种高性价比虚拟示波器的研制.该示波器硬件模块的设计中提出一种新颖的变换取样技术--同步分频步进取样,选用价廉低速的A/D转换芯片(AD574)实现了50 MHz的仪器带宽,具有较高的性价比.与PC机的连接方式采用灵活方便的USB串口方式.阐述了该虚拟示波器基于LabVIEW的软件设计.该仪器在高频电子线路实验及音频信号的测试与分析中得到应用,并实现了对建筑材料断裂试验的测量与分析.
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