| 锁相放大器测定发光二极管光强分布实验研究 |
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| 引用本文： | 钱惠国. 锁相放大器测定发光二极管光强分布实验研究[J]. 大学物理实验, 2007, 20(2): 37-40 |
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| 作者姓名： | 钱惠国 |
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| 作者单位： | 浙江师范大学,金华,321004 |
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| 摘 要： | 用锁相放大器通过光源内调制和光源外调制两种方法对发光二极管的一维光强分布进行测定,给出了测量结果并进行了分析。
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| 关 键 词： | 锁相放大器 内调制 外调制 |
| 文章编号： | 1007-2934（2007）02-0037-04 |
| 修稿时间： | 2006-07-12 |
STUDY OF MEASURING THE INTENSITY DISTRIBUTION OF LIGHT-EMITTING DIODES WITH LOCK-IN AMPLIFIER |
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| Qian Huiguo. STUDY OF MEASURING THE INTENSITY DISTRIBUTION OF LIGHT-EMITTING DIODES WITH LOCK-IN AMPLIFIER[J]. Physical Experiment of College, 2007, 20(2): 37-40 |
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| Authors: | Qian Huiguo |
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| Affiliation: | Zhejiang Normal University, Jinhua, 321004 |
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| Abstract: | With the method of intramodulation and external modulation, the Intensity Distribution of Light-emitting Diodes was measured by using of a lock-in Amplifier. The experimental results and the analysis were given. |
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| Keywords: | Lock-in amplifier Intramodulation External modulation |
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