Primary Study on Crop Wet Biomass Measuring with Dielectric Spectroscopy
作者单位：Mechanical engineering and automation academy of Shang Hai University National Research Center of Intelligent Equipment for Agriculture
会议名称：《The 2010 International Conference on Manufacturing Science and Materials Engineering(ICMSME 2011)》
会议日期：2011年
学科分类：090101[农学-作物栽培学与耕作学] 09[农学] 0901[农学-作物学]
基 金：supported by the 948 Ministry of Agriculture project(2006-G63(5),2010-S20) 863 project(2008AA10Z201) Beijing key technology program(D101105046310002)
关 键 词：biomass dielectric spectroscopy Finite element analysis(FEA).Free-space antennae
摘 要：Crop wet biomass measuring with dielectric spectroscopy is a non-destructive method to quickly and accurately estimate plant biomass in situIt optimizes the management of agronomistsAn electrostatic free-space system was designed and tested to estimate crop wet biomass in situIt acts as a parallel plate capacitorThe appropriate size of plate of the system is determined through Finite element analysis（FEA）Water is used to make the exclusion of interference at the earlier stage of the experiment, and Wheat is the experiment materialResults from the measuring system showed The Susceptance through the system was strongly correlated with wet biomassThe coefficient of determination（r2） is greater than 0.9.