外文翻译-------基于微机的现场信息检测系统设计.doc

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外文翻译-------基于微机的现场信息检测系统设计,摘要---精准农业是信息农业,是现代农业的发展方向。如何获取信息是精确农业的关键问题。本论文研究的目标是设计一个能从现场获得信息的系统。该系统由两部分组成:一个是基于msc- 51的基础上的便携式仪器,可用于测量该领域的多种信息,它包括测量经度和纬度、土壤的水分、ph值和电导率(ec),大气温度和湿度,光照强度;另一部...
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摘要---精准农业是信息农业,是现代农业的发展方向。如何获取信息是精确农业的关键问题。本论文研究的目标是设计一个能从现场获得信息的系统。该系统由两部分组成:一个是基于MSC- 51的基础上的便携式仪器,可用于测量该领域的多种信息,它包括测量经度和纬度、土壤的水分、pH值和电导率(EC),大气温度和湿度,光照强度;另一部分是基于Visual Basic的软件,可用于便携式仪器的通信和处理数据。验证结果表明,该系统能快速、准确地获取信息。
I 导言
目前,精准农业已经吸引了许多国家的关注,它代表了现代农业[1,2]的发展趋势。当可以快速、有效地获取和处理现场的信息,精准农业是可能实现的。但现在,对现场信息检测技术落后于其他技术,因此它已经成为重要的研究课题。
在国外,很多年前就已经开始研究信息领域。许多公司都有收集终端和相应的软件,如在美国StarPal公司[3]的HGIS系统,可获取GPS信息,农作物分布及土壤性质的信息, ArcPad[4]系统由美国的ESRI公司的作出,AgGPS160[5,6]和EZ2map系统由美国的Trimble公司制造。然而,在中国这方面的研究却很少。方回[7]等研究了一个系统,它可以在外地掌上电脑基础上快速获取和处理信息。
Abstract - Precision agriculture is an informational agriculture, and is the developing direction of modern agriculture. How to acquire information is the key problem of precision agriculture. The objective of this research is to design a system to obtain information from field. This system consists of two parts. One is a portable instrument based on MSC-51, which can be used to measure multiple information of field. It includes longitude and latitude of the measurement position, moisture, pH value and electric conductivity (EC) of soil, temperature and humidity of atmosphere and intensity of illumination. The other part is a piece of software based on Visual Basic, which can be used to communicate with the portable instrument and process data. The validation results showed that this system could rapidly and accurately acquire information of filed.

I.INTRODUCTION
At present, precision agriculture attracts the attention of many countries; it represents the development trend of modern agriculture [1,2]. When the information of field can be quickly, effectively acquired and processed, the precision agriculture can possibly be realized. But now, the detection technology for information of field has dropped behind the other technology for precision agriculture, so it has become
the important research topic.
Overseas, the research for the information of field has started many year