CHEN Yong-li, WANG Chang-long, LI De-liang. Research of Underground Alarming System of Temperature and Humidity Based on Zero-cross Modulation Technology[J]. Journal of Mine Automation, 2005, 31(4): 31-33.
Citation: CHEN Yong-li, WANG Chang-long, LI De-liang. Research of Underground Alarming System of Temperature and Humidity Based on Zero-cross Modulation Technology[J]. Journal of Mine Automation, 2005, 31(4): 31-33.

Research of Underground Alarming System of Temperature and Humidity Based on Zero-cross Modulation Technology

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  • The zero-cross modulation technology uses exsisting power distribution network as transmition carrier. Because it needn’t increase additional system equipments, it is low-cost. In this paper, the design of alarming system of temperature and humidity based on zero-cross modulation technology and the constitution were introduced. By field application, it made chear that the design is in reason and the reliability is high.
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