Effective Radiation Efficiency of Resistor-Loaded Bow-Tie Antenna Covered with Ferrite-Coated Conducting Cavity Located above Ground Surface

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概要

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• This paper analyzes the effective radiation efficiency of a ground^penetrating radar (GPR) consisting of two resistor-loaded bow-tie antennas covered with a ferrite-coated conducting cavity by using finite-difference time-domain (FDTD) method. The GPR is located above a lossless or lossy ground surface. The relation between the radiation powers into the ground and air, dissipated powers at the loaded resistor and ferrite absorber, and the reflected power due to impedance mismatching, is clarified numerically.

• 社団法人電子情報通信学会の論文
• 2000-02-25

著者

• Uno Toru

  The Department Of Electrical And Electronic Engineering Tokyo University Of Agriculture And Technolo

• NISHIOKA Yasuhiro

  the Department of Electrical and Electronics Engineering, Tokyo University of Agriculture and Techno

• Nishioka Yasuhiro

  The Department Of Electrical And Electronic Engineering Tokyo University Of Agriculture And Technolo

関連論文

• FDTD Implementation of Surface Impedance Boundary Condition for Dispersive Layer Backed by Perfect Conductor (Special Issue on Computational Electromagnetics)
• Directional Antennas for Portable Telephones (Special Issue on Personal Communications)
• Effective Radiation Efficiency of Resistor-Loaded Bow-Tie Antenna Covered with Ferrite-Coated Conducting Cavity Located above Ground Surface

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