| 基于声卡的LabVIEW虚拟信号发生器设计 |
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| 引用本文： | 马海瑞,田树森,周爱军. 基于声卡的LabVIEW虚拟信号发生器设计[J]. 国外电子测量技术, 2005, 24(4): 27-29 |
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| 作者姓名： | 马海瑞 田树森 周爱军 |
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| 作者单位： | 海军大连舰艇学院研究生2队,辽宁,大连,116018;海军大连舰艇学院装备系统与自动化系,辽宁,大连,116018 |
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| 摘 要： | 利用声卡DSP技术和LabVIEW多线程技术，提出了一种基于声卡的廉价虚拟信号发生器设计方案，具有界面友好、扩充性强、动态范围宽及性能稳定可靠等诸多优点。在LabVIEW环境中对声卡编程，实现了常用周期信号及测试领域特殊信号的双通道模拟输出。PC上配置多块声卡即可构成多通道信号发生器，值得在工程测试应用及相关实验室中进一步推广和扩充。
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| 关 键 词： | 信号发生器 声卡 数字信号处理 LabVIEW 虚拟仪器 |
Design of Virtual Signal Generator Based on LabVIEW and Sound Card |
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| Ma Hairui,Tian Shusen,Zhou Aijun. Design of Virtual Signal Generator Based on LabVIEW and Sound Card[J]. Foreign Electronic Measurement Technology, 2005, 24(4): 27-29 |
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| Authors: | Ma Hairui Tian Shusen Zhou Aijun |
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| Affiliation: | Ma Hairui~1 Tian Shusen~1 Zhou Aijun~2 |
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| Abstract: | Based on sound card DSP technology and LabVIEW multithreading, this paper brings forward a low price solution of sound card based virtual signal generator, with its advantages of friendly interface, strong expansivity, wide dynamic range and steady performance. By programming sound card in LabVIEW, it implements analog output of general cycle signals and special test signals from dual channel. If more sound cards configured in a PC, it's feasible to build a multi-channel signal generator. This solution can be extended to the field of engineering tests and related laboratory. |
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| Keywords: | Signal generator sound card digital signal processing LabVIEW Virtual Instrument. |
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