| 基于USB-6251的虚拟频谱分析仪开发研究 |
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| 引用本文： | 王兵,夏友才. 基于USB-6251的虚拟频谱分析仪开发研究[J]. 实验科学与技术, 2012, 10(5): 10-11 |
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| 作者姓名： | 王兵 夏友才 |
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| 作者单位： | 攀枝花学院教务处,四川攀枝花,617000 |
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| 摘 要： | 文中介绍了运用LabVIEW2009软件,结合NI的USB-6251数据采集卡实现虚拟频谱分析仪的开发研究,实现了对外部信号的采集、幅相谱的分析、功率谱的分析、谐波分析和联合时频分析,并具备波形存储和读取功能。系统调试结果证明该仪器实现了一般频谱分析仪所具有的基本功能,增加了数据分析处理能力。
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| 关 键 词： | 虚拟仪器 USB-6251卡 频谱分析仪 数据采集 |
Development and Research of Virtual Spectrum Analyzer Based on USB-6251 |
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| Affiliation: | WANG Bing,XIA Yuo-cai(Teaching Affairs Office,Panzhihua University,Panzhihua 617000,China) |
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| Abstract: | This paper describes the development and research of virtual spectrum analyzer based on LabVIEW2009 software and data acquisition module USB-6251 made in NI.The virtual spectrum analyzer realizes the functions of signal acquisition from external,amplitude-phase analysis,power spectrum analysis,harmonic analysis,joint time-frequency analysis and load and store functions of waveform.Testing result proves that the virtual instrument realized general functions of spectrum analyzer,and extends data processing capacities. |
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| Keywords: | virtual instrument USB-6251 card spectrum analyzer data acquisition |
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