Title :
Electromagnetic characteristics of spiro-helical antenna
Author :
Zainud-Deen, S.H. ; Soliman, N.F.M. ; Hussein, K. F A ; Shaalan, A.A.M.
Author_Institution :
Fac. of Electron. Eng., Menoufia Univ., Egypt
Abstract :
The spiro-helical antenna (SHA) is analyzed using the method of moments (MoM). The analysis is validated by comparison with the power gain, input impedance and voltage standing wave ratio (VSWR) measurements. A comparison between the SHA and the conventional helical antenna is made. Higher gain and improved axial ratio are obtained. Also, the scattering characteristics of the SHA are investigated.
Keywords :
antenna radiation patterns; electric impedance; electromagnetic wave scattering; helical antennas; method of moments; spiral antennas; VSWR measurements; axial ratio; electromagnetic characteristics; input impedance; method of moments; scattering characteristics; spiro-helical antenna; voltage standing wave ratio; Antenna measurements; Gain measurement; Helical antennas; Impedance measurement; Message-oriented middleware; Numerical models; Power measurement; Spirals; Transmitting antennas; Wire;
Conference_Titel :
Radio Science Conference, 2004. NRSC 2004. Proceedings of the Twenty-First National
Print_ISBN :
977-5031-77-X
DOI :
10.1109/NRSC.2004.1321778
