| 基于FFT的低频谐波失真度测试仪 |
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| 引用本文： | 马月辉,石彦丛,王颜芳.基于FFT的低频谐波失真度测试仪[J].自动化与仪器仪表,2001(6):30-32. |
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| 作者姓名： | 马月辉 石彦丛 王颜芳 |
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| 作者单位： | 石家庄铁道学院,河北,石家庄,050043 |
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| 摘 要： | 本文介绍了应用虚拟仪器和数据采集卡，采用FFT算法实现的低频谐波失真的测量，该方法具有测试频率低、精度高，简便易行等特点。
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| 关 键 词： | 虚拟仪器 失真度测量 超低频 FFT |
| 文章编号： | 1001-9227(2001)06-0030-03 |
The design of instrument of distortion measuring |
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| Ma Yuehui,etc..The design of instrument of distortion measuring[J].Automation & Instrumentation,2001(6):30-32. |
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| Authors: | Ma Yuehui etc |
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| Abstract: | In the paper,The instrument of distortion measuring is introduced which based on the virtual technology.The principle of the device is that by the conversion of the FFT of signal and calculate the degree of distortion of it.Also the results that measuring by the device,by the calculating and another are compared. |
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| Keywords: | Virtual instrument Labview FFT transfer spectrum distortion |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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