| 基于测频测周方法集成的高分子湿度仪 |
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| 引用本文： | 刘桂雄,邝泳聪,金军.基于测频测周方法集成的高分子湿度仪[J].华南理工大学学报(自然科学版),2001,29(3):39-42. |
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| 作者姓名： | 刘桂雄 邝泳聪 金军 |
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| 作者单位： | 华南理工大学 机电工程系, |
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| 基金项目： | 广东省重点攻关项目! (2KM 0 0 70 5N)，广州市重点攻关资助项目! (96_Z_2 0 ) |
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| 摘 要： | 研究了一种基于测频测周方法集成的高分子湿度仪，它把传感器件的阻值随湿度而变化的关系转换成频率信号与湿度变化的关系，根据频率大小分别用测频或测周方法加以处理，最终得出湿度值的大小。本文重点研究测频测周方法集成在高分子湿度仪中如何应用和实施。该方法具有结构简单、利于遥测、抗干扰能力强、测量范围宽的特点。
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| 关 键 词： | 高分子湿度仪 频率测量 周期测量 湿度传感器 工作原理 抗干扰能力 湿度测量 |
| 文章编号： | 1000-565X(2001)03-0039-04 |
Macromolecule Humidity Instrument Based on Integration Methodof Frequency Measuring and Period Measuring |
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| Liu Gui_xiong,Kuang Yong_cong,Jin Jun.Macromolecule Humidity Instrument Based on Integration Methodof Frequency Measuring and Period Measuring[J].Journal of South China University of Technology(Natural Science Edition),2001,29(3):39-42. |
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| Authors: | Liu Gui_xiong Kuang Yong_cong Jin Jun |
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| Abstract: | A kind of macromolecule humidity instrument based on integration method of frequency and period measuring is presented in this paper. This method translates the relation between the variation of the resister of sensor and humidity into that of frequency and humidity. It determines the humidity by the input signal, which is measured through alternating the method of frequency and period measuring according to the value of signal measured last time. Emphasis is put on how to apply and implement the integration method of frequency measuring and period measuring in this paper. This method has the features of simple construction, adaptation to remote metering, strong ability of anti_interference and wide measurement range. |
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| Keywords: | macromolecule humidity instrument frequency measuring period measuring |
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