| 频谱仪中频滤波器的探究 |
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| 引用本文： | 李江雪. 频谱仪中频滤波器的探究[J]. 科技情报开发与经济, 2010, 20(30): 219-220 |
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| 作者姓名： | 李江雪 |
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| 作者单位： | 南京信息职业技术学院,江苏南京210046 |
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| 摘 要： | 简述了频谱仪的原理、作用,分析了其中频滤波器的带宽、形状因数与仪器分辨率、噪声、扫描速度的关系,以期为精确使用频谱仪提供经验。
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| 关 键 词： | 频谱仪 中频滤波器 带宽 形状因数 分辨率 噪声 扫描速度 |
Probe into IF(Intermediate-Frequency)Filter of Spectrometer |
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| LI Jiang-xue. Probe into IF(Intermediate-Frequency)Filter of Spectrometer[J]. Sci-Tech Information Development & Economy, 2010, 20(30): 219-220 |
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| Authors: | LI Jiang-xue |
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| Affiliation: | LI Jiang-xue |
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| Abstract: | This paper briefly describes the principles and functions of spectrometer, and makes the analysis on the relationships among band width, form factor, instrumental resolution, noise and scanning speed of IF filter for providing some experiences for the accurate use the spectrometer. |
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| Keywords: | spectrometer IF filter band width form factor instrumental resolution noise scanning speed |
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