研制了基于嵌入式单片机的农田信息采集仪。
The instrument of acquiring the agriculture information was researched.
整个系统由农田信息采集设备、田间计算机和信息管理软件组成。
The whole system consists of field information collecting equipments, field computers and information managing software.
介绍了一种基于掌上电脑和DGPS/背夹式GPS设备的农田信息采集系统的开发过程。
The process of developing a kind of field information collecting system based on PocketPC and DGPS or portable GPS was expounded.
利用存储在数据文件中的采样数据生成属性信息分布图，实现用栅格图形来表达基础农田信息；
Using these data stored in the opened data file, a grid graph expressing the distributing status of attribute information in a farm will be created on the computer's screen.
精细农业技术是一种以信息为基础的农业管理系统，又是依据农田信息存在的空间差异性而实施的。
Precision agriculture is an agricultural management system based on information and is implemented according to space variability existing in field information.
利用该方法，在嵌入式农田信息采集系统中成功地实现了对基于GPS的空间位置数据和属性数据的采集管理。
The embedded field information collection system proves that above method is success to manage GPS spatial position data and property data.
作为一种实时系统，该系统可结合全球定位系统和各种传感器，快速地测量和分析农田信息，为精细农业田间信息快速采集提供了高效的技术和手段。
This system can be used with GPS and kinds of sensors to acquire field information quickly. The research and development of the system provides key technology for precision farming.
农田水利工程地理信息系统管理的对象是一个离散性的、多中心的数据处理群体。
The management object of the farmland water conservancy project geographic information system is a scattered, multiple centre data management group.
给出了GPS定位信息的获取技术，多边形农田面积的计算方法，测量仪软硬件的设计原理等。
The acquisition of GPS positioning information, method of area calculation for polygon fields, and design of hardware and software of the instrument were also introduced.
利用信息系统技术，建立从农田到餐桌全过程的质量安全可追溯系统是进行可追溯管理的有效方法。
Using the information systems technology, the establishment of quality and safety traceability system for the whole process from farm to table is an effective traceable management method.
农田地块图像包含的目标区域多、不同地物间信息相互影响和干扰明显，因此农田地块图像的分割提取非常困难。
Field parcel image consists of multiple target regions where different field objects are always interfered each other, so segmentation and feature extraction of field parcel image are very diffcult.
结果表明，通过模型计算与地理信息系统相结合，便于评价不同水氮管理、不同降雨年型条件下区域农田土壤水、氮素行为。
When the simulation model combined with GIS, it was easy to evaluate regional soil nitrogen behaviors under different treatments of water and nitrogen.
结果表明，通过模型计算与地理信息系统相结合，便于评价不同水氮管理、不同降雨年型条件下区域农田土壤水、氮素行为。
When the simulation model combined with GIS, it was easy to evaluate regional soil nitrogen behaviors under different treatments of water and nitrogen.
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