摘要：农田自然环境相对多变，目前单一气象参数的采集手段已经很难跟上现代农业的需求，随着信息技术的迅速发展，由气象或农业部门建立的农田气象数据远程监测系统 应运而生。本文首先简单阐述了农田气象信息采集的重要性以及国内外研究现状，然后 介绍了农田气象数据监测系统的要求，最后具体分析了基于 AT89C2051 单片机与虚拟仪 器的气象数据监测系统的设计与实现。该系统的功能是监测农田的温度、湿度、光照、 CO2 含量、风速、雨量等气象参数；主要工作包括硬件设计和软件设计，其中硬件设计包 括搭建系统下位机平台，完成采集、处理、通讯，软件设计包括完成上位机平台，对数 据的接收，处理。91416无

关键词：虚拟仪器,气象监测，LABVIEW,传感器

Abstract:In the natural environment is relatively volatile, the current single meteorological parameter acquisition method has been difficult to keep up with the demand of modern agriculture, with the rapid development of information technology, as farmland meteorological data remote monitoring system set up by the weather or the agricultural sector。This paper expounds the importance of farmland meteorological information collection and research status at home and abroad, and then introduces the farmland meteorological data monitoring system,and finally discusses the design and implementation of meteorological data monitoring system of AT89C2051 and based on virtual instrument。 The function of the system is monitoring farmland temperature, humidity, illumination CO2, content, wind speed, rainfall and other meteorological parameters; the main work includes hardware design and software design, the hardware design includes build system platform, complete the acquisition, processing, communication, software design including the PC platform, receiving and processing of data。

Keywords: virtual instrument, weather monitoring, LABVIEW, sensor