| 高精度超声波界面计的原理和精度分析 |
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| 引用本文： | 靳海水,卢杰,梁军汀,朱士明.高精度超声波界面计的原理和精度分析[J].传感器与微系统,2000,19(6):28-30,33. |
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| 作者姓名： | 靳海水 卢杰 梁军汀 朱士明 |
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| 作者单位： | 同济大学,声学研究所,上海,200092 |
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| 摘 要： | 精确测量液体间分界面的高度对许多工业生产具有重要意义。介绍了高精度超声波油水界面计的原理，即利用声波在不同液体中的声速不同测量液位的高度，并介绍了测试方法及优点，通过实例对其测量精度进行了分析。分析表明其精度优于２ｍｍ。
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| 关 键 词： | 界面计 声速 精度 均方差 |
| 文章编号： | ： |
The principle of high-accuracy ultrasonic oil-water interface meter and its accuracy analysis |
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| JIN Hai-shui,LU Jie,LIANG Jun-ting,ZHU Si-ming.The principle of high-accuracy ultrasonic oil-water interface meter and its accuracy analysis[J].Transducer and Microsystem Technology,2000,19(6):28-30,33. |
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| Authors: | JIN Hai-shui LU Jie LIANG Jun-ting ZHU Si-ming |
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| Abstract: | The precise measurement of the position of interface between two different liquids is very important in many industrial production processes. The principle and measuring method of high - accuracy ultrasonic oil - water interface meter is introduced, its accuracy and advantage is analyzed via an example. The result shows that the accuracy is better then 2 mm. |
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| Keywords: | interface meter speed of ultrasonic wave accuracy standard deviation |
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