Title :
Effects on Placing Wideband Omnidirectional Spiral Antenna on Aircraft
Author :
Zvyagintsev, A.A. ; Ivanov, A.I. ; Katkov, D.V.
Author_Institution :
Karazin Kharkov Nat. Univ.
Abstract :
A problem of radiation of square spiral antenna placed on an aircraft fuselage is considered. The aircraft is approximated as an elliptic cylinder with trapezoidal wings. The problem is solved by hybrid technique which uses FEM (finite element method) for near-field calculation and UTD (uniform theory of diffraction) for directional pattern and surface currents computation. The imperfect conductance of the fuselage and wings is approximated via impedance boundary conditions
Keywords :
aerospace components; aircraft antennas; antenna radiation patterns; broadband antennas; finite element analysis; geometrical theory of diffraction; spiral antennas; FEM; UTD; aircraft fuselage; directional pattern; elliptic cylinder; finite element method; impedance boundary condition; near-field calculation; square spiral antenna radiation; surface current computation; trapezoidal wing; uniform theory-of-diffraction; wideband omnidirectional antenna; Aircraft; Boundary conditions; Broadband antennas; Diffraction; Finite element methods; Polarization; Reflection; Spirals; Surface impedance; Ultra wideband technology; FEM; Spiral antennas; UTD;
Conference_Titel :
Ultrawideband and Ultrashort Impulse Signals, The Third International Conference
Conference_Location :
Sevastopol
Print_ISBN :
1-4244-0513-0
DOI :
10.1109/UWBUS.2006.307184
