| 声板波密度传感器及系统设计 |
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| 引用本文： | 侯毅,施文康,马伟方. 声板波密度传感器及系统设计[J]. 仪表技术与传感器, 2001, 0(2): 3-5 |
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| 作者姓名： | 侯毅 施文康 马伟方 |
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| 作者单位： | 上海交通大学信息检测技术及仪器系上海市 200030 |
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| 摘 要： | 文中简要介绍了一种基于声板波（APM）的液体密度传感器基本工作原理。详细讨论了这种传感器在系统设计过程中的信号检测和数据处理技术。在系统设计中采用相关原理,利用软件方法实现相位差鉴别。并具体分析了A/D分辨率、噪声干扰、算法误差几个因素对系统精度的影响以及参数的设计方法。
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| 关 键 词： | 声板波 传感器 鉴相 液体 密度测量 系统设计 |
| 修稿时间： | 2000-07-28 |
Acoustic Plate Mode Sensor and System design |
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| Hou Yi,Shi Wenkang,Ma Weifang. Acoustic Plate Mode Sensor and System design[J]. Instrument Technique and Sensor, 2001, 0(2): 3-5 |
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| Authors: | Hou Yi Shi Wenkang Ma Weifang |
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| Affiliation: | Hou Yi Shi Wenkang Ma Weifang Dept. of Instrumentation Engineering,Shanghai Jiaotong University,Shanghai 200030 |
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| Abstract: | This paper introduces the principle of the liquid density sensor based on the APM technology in brief. The signal detection and data processing of the sensor are discussed. The whole measuring system contains the correlation theory and the related programming criterion as a main part to detect the phase variation. To meet the requirement for measurement accuracy, the adequate data-processing strategies are discussed and selected. |
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| Keywords: | Aconstic Plate Mode Wave Sensor Phase Detection |
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