| I/U测量对物理参数的影响 |
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| 引用本文： | 秦辉,任海良. I/U测量对物理参数的影响[J]. 仪表技术, 2007, 0(6): 40-41 |
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| 作者姓名： | 秦辉 任海良 |
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| 作者单位： | 河北北方学院,理学院,河北,张家口,075000 |
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| 摘 要： | 测量电压时，在被测试的两点间连接适当的电阻后，对两点间的电压值和该两点间电路的等效电阻影响较小；而测量电流时，在被测试的两点间连接适当的电阻后，对两点间的电压值和该两点间电路的等效电阻影响较大。该结论对实现I／U的自动识别和自动测量具有重要参考价值。
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| 关 键 词： | 测量 物理参数 电压 电流 |
| 文章编号： | 1006-2394（2007）06-0040-02 |
| 修稿时间： | 2006-12-01 |
Effects of I/U Measurement on Physics Parameters |
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| QIN Hui,REN Hai-liang. Effects of I/U Measurement on Physics Parameters[J]. Instrumentation Technology, 2007, 0(6): 40-41 |
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| Authors: | QIN Hui REN Hai-liang |
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| Affiliation: | Institute of Sciences, Hebei North University, Zhangjiakou 075000, China |
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| Abstract: | When measuring voltage, there was only a little influences on voltage value and equivalent resistance value between the two mearured points if some kind of suitable resistance was linked to the circuit, while the effects on the two physics parameters were quite strong when measuring current under the same condition. These results are very helpful to the realization of automatic recognition and automatic measurement of current and voltage. |
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| Keywords: | measurement physics parameter voltage current. |
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