CONDUCTIVITY LIMITATIONS IN SINGLE-REFLECTION TIME-DOMAIN REFLECTOMETRY

被引：4
|
作者：
ARCONE, S
机构：
[1] US Army Cold Regions Research &, Engineering Lab, Hanover, NH, USA, US Army Cold Regions Research & Engineering Lab, Hanover, NH, USA
来源：
JOURNAL OF PHYSICS E-SCIENTIFIC INSTRUMENTS | 1986年 / 19卷 / 12期
关键词：
ELECTRIC CONDUCTIVITY - ELECTRIC MEASUREMENTS - Permittivity - REFLECTOMETERS;
D O I：
10.1088/0022-3735/19/12/020
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Numerical modeling of single-reflection time-domain reflectometry (TDR) is presented to demonstrate the limitations imposed by finite conductivity values upon recovering dielectric permittivity from the TDR refelected waveform. The results show conductivity to cause false dispersions resulting from the incomplete decay of the TDR waveform. The results are applicable to polar liquids and wet soils and suggest that conductivity should be less than about 0. 01 S m** minus **1 when relaxation frequencies exist above about 1 GHz.
引用
收藏
页码：1067 / 1069
页数：3
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