Aiming at the actual demand for monitoring environmental information,a wireless sensing system for temperature and relative humidity(RH)monitoring based on radio frequency(RF)technology and mobile network was designed...Aiming at the actual demand for monitoring environmental information,a wireless sensing system for temperature and relative humidity(RH)monitoring based on radio frequency(RF)technology and mobile network was designed.This paper introduces the architecture of the system.The system uses AVR micro controller unit(MCU),KYL-1020U RF module and SHT71 to complete real-time temperature and humidity monitoring,and uses SIM900A module to realize remote alarming and monitoring with short message system(SMS)through global system for mobile communication(GSM).Experimental results show that the designed system has good stability of measurement and real-time performance,and it can be used in some small temperature and humidity monitoring occasions.展开更多
Acta Meteorologica Sinica is one of the longest-running academic journals in the field of natural sciences in China.Its origins can be traced back to the Journal of the Chinese Meteorological Society,first published i...Acta Meteorologica Sinica is one of the longest-running academic journals in the field of natural sciences in China.Its origins can be traced back to the Journal of the Chinese Meteorological Society,first published in July 1925,with its founding purpose of“facilitating communication and sharing knowledge”and“documenting the research achievements of the society members in meteorological science,the proposals for meteorological endeavors,and the progress of the society.”To expand the influence of meteorological science and fulfill the mission of saving the nation through science,the journal was renamed as Meteorological Magazine in 1935 and later officially settled on its current title,Acta Meteorologica Sinica,in 1941.展开更多
文摘Aiming at the actual demand for monitoring environmental information,a wireless sensing system for temperature and relative humidity(RH)monitoring based on radio frequency(RF)technology and mobile network was designed.This paper introduces the architecture of the system.The system uses AVR micro controller unit(MCU),KYL-1020U RF module and SHT71 to complete real-time temperature and humidity monitoring,and uses SIM900A module to realize remote alarming and monitoring with short message system(SMS)through global system for mobile communication(GSM).Experimental results show that the designed system has good stability of measurement and real-time performance,and it can be used in some small temperature and humidity monitoring occasions.
文摘Acta Meteorologica Sinica is one of the longest-running academic journals in the field of natural sciences in China.Its origins can be traced back to the Journal of the Chinese Meteorological Society,first published in July 1925,with its founding purpose of“facilitating communication and sharing knowledge”and“documenting the research achievements of the society members in meteorological science,the proposals for meteorological endeavors,and the progress of the society.”To expand the influence of meteorological science and fulfill the mission of saving the nation through science,the journal was renamed as Meteorological Magazine in 1935 and later officially settled on its current title,Acta Meteorologica Sinica,in 1941.
