新型土壤孔隙水压力检测系统的研制与建模  

Math modeling of experimental data and development of a new measuring system for soil pore water pressure

作　　者：李静雅[1] 程茂[2] 吴玉洁[2] 

机构地区：[1]河北农业大学机电工程学院,河北保定071001 [2]河北农业大学信息科学与技术学院,河北保定071001

出　　处：《河北农业大学学报》2011年第6期104-107,共4页Journal of Hebei Agricultural University

摘　　要：分析了土壤含水率和孔隙水压力测量的应用领域和研究现状;阐述了建立二者之间数学模型的意义;介绍了目前国内外几种常用的测量方法、测量手段和相关仪器设备,并对比了他们之间的优缺点。介绍了系统各部分的功能结构、测量原理和数据分析过程。在分析结果数据、仪器监测数据和前期结论的基础上,得出了一种算法,根据该算法编写了软件,实践证明,该软件检测精度高,性能良好。This paper introduces several measuring methods and instruments for measuring system of pore water pressure through a comparison of their advantages and disadvantages.Such important parts of the system as function,structure,measuring principle and technical parameters are described in detail.An algorithm is proposed based on the analysis of simulation results,real-time measuring data and former achievements,and a software is programmed in light of the findings.

关 键 词：孔隙水压力 土壤含水率 检测系统 关系模型 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]