Radiation from narrow circumferential slots on a conducting circular cylinder

Author

Shin, Dong H. ; Eom, Hyo J.

Author_Institution

Dept. of Electr. Eng. & Comput. Sci., Korea Adv. Inst. of Sci. & Technol., Daejeon, South Korea

Volume

53

Issue

6

fYear

2005

fDate

6/1/2005 12:00:00 AM

Firstpage

2081

Lastpage

2088

Abstract

Radiation from narrow circumferential slots on a conducting circular cylinder is analyzed. The incident TM₀₁ mode is assumed to propagate along a thick conducting cylinder multiply slotted in the axial direction. The Fourier transform and mode matching are utilized to obtain a set of simultaneous equations for the discrete modal coefficients. Simple, fast convergent series solutions are presented using residue calculus. The radiation, transmission, and reflection characteristics are investigated in terms of the operating frequency and slot geometry. Our numerical results agree favorably with other existing data as well as measurements at X-band.

Keywords

circular waveguides; conducting bodies; discrete Fourier transforms; electromagnetic wave propagation; electromagnetic wave reflection; electromagnetic wave transmission; mode matching; slot antenna arrays; Fourier transform; X-band; axial direction; conducting circular cylinder; discrete modal coefficient; fast convergent series solution; mode matching; narrow circumferential slot radiation; operating frequency; propagation; reflection characteristic; residue calculus; slot geometry; slotted cylindrical antenna; transmission; travelling wave antenna; Antenna measurements; Boundary conditions; Calculus; Engine cylinders; Equations; Fourier transforms; Geometry; Reflection; Scattering; Slot antennas; Finite circumferential slot; Fourier transform; mode matching; slotted cylindrical antenna; travelling wave antenna;

fLanguage

English

Journal_Title

Antennas and Propagation, IEEE Transactions on

Publisher

ieee

ISSN

0018-926X

Type

jour

DOI

10.1109/TAP.2005.848503

Filename

1438493