应用科学学报 ›› 1989, Vol. 7 ›› Issue (1): 25-29.

• 论文 • 上一篇    下一篇

慢波型微波传感器的理论与实验研究

颜晓鸿, 张兆镗   

  1. 成都电讯工程学院
  • 收稿日期:1988-01-02 修回日期:1988-04-30 出版日期:1989-03-31 发布日期:1989-03-31

THEORETICAL AND EXPERIMENTAL INVESTIGATION ON SLOW WAVE TYPE MICROWAVE SENSOR

YAN XIAOHONG, ZHANG ZHAOTANG   

  1. Chengdu Institute of Radio Engineering
  • Received:1988-01-02 Revised:1988-04-30 Online:1989-03-31 Published:1989-03-31

摘要: 本文从理论上分析了介质加载的Karp型慢波线,得到了一般形式的色散方程,并利用计算机对Karp线的几何尺寸、加载介质的介电常数对其色散特性的影响进行了计算,所得结果对Karp线作为慢波型微波湿度传感器有一定的指导意义,理论和实验证明慢波型微波传感器有其独特的优点.在非电量的微波检测技术方面有较大的实用价值.

Abstract: The Karp type slow wave structure loaded with dielectric is described in theory, and a general dispersion equation is obtained.The effect of the dimensions of Karp structure and the effect of the permittivity of the loaded dielectric on dispersion characteristics are calculated by computer. The results thus obtained show the significance of Karp structure as a slow wave type moisture content sensor.
As is proved by theory and experiment, this type of microwave sensor has special advantages and will come into use in the microwave measurement technique of nonelectric quantities.