Dielectric soil water content measurements independent of soil properties

被引：0
|
作者：
Flaschke, T [1 ]
Tränkler, HR [1 ]
机构：
[1] Univ Bundeswehr Munchen, Inst Mess & Automatisierungstech, D-85577 Neubiberg, Germany
来源：
IMTC/99: PROCEEDINGS OF THE 16TH IEEE INSTRUMENTATION AND MEASUREMENT TECHNOLOGY CONFERENCE, VOLS. 1-3 | 1999年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Measuring soil water content the output signal usually includes undesirable dependencies on the soil physics and on the geometry of the sensor electrodes. The elimination of that sensor signal dependence is an especial challenge and has been investigated here. The basic idea when using an impedance sensor is to exclude these effects with the help of suitable methods of signal processing. It can be shown that by evaluating the complex impedance of an electrode configuration in soil the represented method leads to a virtual independence of the measurement on soil properties.
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页码：37 / 41
页数：5
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