CST – Computer Simulation Technology

Parametric Study of Coaxial Radiating Cables

Parametric Study of Coaxial Radiating Cables
Jan Vrba, Pavel Pechac
Proc. ‘EuCAP 2006’, Nice, France
1st January 0001
A radiating cable is a coaxial cable with specially designed slots in its outer conductor. The electromagnetic field traveling inside the cable is through these slots coupled outside and by reciprocity the field outside the cable influences the inner field. The amount of the radiated energy is determined by the dimensions, shape and number of slots. The frequency band is dependent on the positions and orientation of the slots. In this article a parametric study of one particular coaxial radiating cable with different slot configurations using a full-wave electromagnetic simulator CST Microwave Studio is presented. The main parameters such as frequency bandwidth and field distribution along the cable are investigated based on dimensions and positions of the slots.

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