COMPARISON OF 3 NUMERICAL TREATMENTS FOR THE OPEN-ENDED COAXIAL LINE SENSOR

被引:13
作者
JENKINS, S
PREECE, AW
HODGETTS, TE
SYMM, GT
WARHAM, AGP
CLARKE, RN
机构
[1] ROYAL SIGNALS & RADAR ESTAB,MALVERN WR14 3PS,WORCS,ENGLAND
[2] NATL PHYS LAB,TEDDINGTON TW11 0LW,MIDDX,ENGLAND
关键词
Microwave circuits and systems; Microwave measurements; Numerical methods and number theory;
D O I
10.1049/el:19900158
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
The open-ended coaxial line sensor is commonly used for non-invasive microwave dielectric measurements. A comparison is made between three mathematical treatments that allow the reflection coefficient of the sensor to be derived from the complex permittivity of the material with which it is in contact. It is shown that the discrepancies between values computed by the three methods are much smaller than the predicted measurement uncertainties. Mappings of permittivity contours onto the complex reflection coefficient plane are shown. © 1990, The Institution of Electrical Engineers. All rights reserved.
引用
收藏
页码:234 / 236
页数:3
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