Design of portable instrument for measuring agriculture field size based on GPS

被引：0
|
作者：
Xiang, Xinjian [1 ]
Yang, Chunting [1 ]
机构：
[1] College of Automation and Electrical Engineering, Zhejiang University of Science and Technology, Hangzhou,310023, China
来源：
IFIP Advances in Information and Communication Technology | 2008年 / 259卷
关键词：
Communication interface - Data acquisition board - Geometric sizes - Measuring instruments - Portable instrument - Position information - Positioning functions - Software and hardwares;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Global Positioning System (GPS) plays an important role in precision agriculture. Applying positioning function of GPS, this paper researches on portable instrument for measuring field size. Instrument consists of low-cost GPS module, data acquisition board in microcontroller, large capacity EEPROM storage, RS232C communication interface, keyboard and LCD display. GPS position information acquisition technology, method for calculating polygonal fields geometric size, software and hardware design principles of instrument, GPS measuring error analysis and accuracy control of instrument are provided. Experiment results prove that measuring instrument can fast measure geometric size of fields in any shape, relative measuring error is less than 2.5%, and the bigger the size of field is, the higher the measuring accuracy is. © 2008, Springer New York LLC. All rights reserved.
引用
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页码：993 / 1000
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