| 基于声卡的虚拟示波器设计与实现 |
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| 引用本文： | 肖渊,马丽萍. 基于声卡的虚拟示波器设计与实现[J]. 陕西科技大学学报, 2009, 27(2): 92-95 |
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| 作者姓名： | 肖渊 马丽萍 |
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| 作者单位： | 肖渊,XIAO Yuan(西安工程大学机电工程学院,陕西,西安,710048);马丽萍,MA Li-ping(西安工程大学电子信息学院,陕西,西安,710048) |
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| 基金项目： | 西安工程大学校管科研基金 |
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| 摘 要： | 基于声卡的数字信号处理技术和虚拟仪器技术，通过在LabVIEW环境下对声卡进行编程，设计了一个廉价的虚拟示波器系统，该设计方案具有界面友好、扩充性强及动态特性稳定可靠等诸多优点．实验仿真表明，该系统能够正确地采集声卡设计频率范围内的信号，实现了示波器的测量和频谱分析功能．
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| 关 键 词： | 虚拟仪器 声卡 LabVIEW 虚拟示波器 |
DESIGN AND IMPLEMENTATION OF VIRTUAL OSCILLOSCOPE BASED ON LABVIEW AND SOUND CARD |
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| XIAO Yuan,MA Li-ping. DESIGN AND IMPLEMENTATION OF VIRTUAL OSCILLOSCOPE BASED ON LABVIEW AND SOUND CARD[J]. Journal of Shaanxi University of Science & Technology(Natural Science Edition), 2009, 27(2): 92-95 |
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| Authors: | XIAO Yuan MA Li-ping |
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| Affiliation: | XIAO Yuan, MA Li-ping(1. School of Mechanical ancl Electrical Engineering, Xi＇an Polytechnic University, Xi＇an 710048 , China; 2. School of Electronics and Information, Xi＇an Polytechnic University, Xi＇an 710048 ,China) |
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| Abstract: | Based on sound card digital signal processor technology and virtual instrument technology, this paper presents a low cheap solution of sound card based virtual oscilloscope, with its advantages of friendly interface, strong expansibility, wide dynamic range and steady performance. By programming sound card in LabVIEW, a virtual oscilloscope system is de signed, the system can acquire signals in the frequency range designed for sound Card accurately, and has the function of measurement and spectral analysis. |
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| Keywords: | LabVIEW |
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