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智能电容式液位计系统设计
消耗积分:10 |
格式:rar |
大小:132 |
2009-06-24
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讨论电容式传感器的原理、电容频率转换电路、宽范围精确测量频率量的多周期测量法,及利用DS1820 测量温度和用单片机进行温度补偿的方法。
关键词: 电容式液位计;频率转换;频率测量
Abstract : The paper discusses the design of a intelligent liquid lever measurement instrument with capacitive sensor. It uses C2f circuit to com2 plete the conversion of the signal of transducer and uses multi2periods to measure frequence accurately. It also offers the way to compensate the error made by influence of temperature.
Key words : capacitance liquid lever instrument ; frequence conversion ; frequence measurement
关键词: 电容式液位计;频率转换;频率测量
Abstract : The paper discusses the design of a intelligent liquid lever measurement instrument with capacitive sensor. It uses C2f circuit to com2 plete the conversion of the signal of transducer and uses multi2periods to measure frequence accurately. It also offers the way to compensate the error made by influence of temperature.
Key words : capacitance liquid lever instrument ; frequence conversion ; frequence measurement
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悟茶轩
2018-06-15
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悟茶轩
2018-06-15
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