Title :
Modeling of planar spiral antenna mounted on a rocket shaped structure using wedge diffraction analysis
Author :
Rao, B. Rama Krishna ; Murthy, Sarma S N ; Sarma, A.D. ; Ravindra, K.
Author_Institution :
Defence Electron. & Res. Labs., Hyderabad, India
fDate :
6/24/1905 12:00:00 AM
Abstract :
The location of the antenna on an aircraft plays a major role in improving the system performance. It is essential to locate the antennas in such a way that their radiation characteristics will be least distorted even under the influence of surroundings and EMI/EMC problems due to other electronic systems already installed on the aircraft. To predict the distortion in the radiation pattern of a planar cavity backed spiral antenna on board airborne platform, a novel technique is used using wedge diffraction theory. The experimental measurements are carried out in an anechoic chamber. The results predicted in the elevation plane is compared with experimental results and found to agree well.
Keywords :
aircraft antennas; antenna radiation patterns; electromagnetic compatibility; electromagnetic interference; electromagnetic wave diffraction; spiral antennas; EMI/EMC problems; airborne platform; aircraft; anechoic chamber; electronic systems; elevation plane; planar cavity backed spiral antenna; planar spiral antenna; radiation characteristics; radiation pattern distortion; rocket shaped structure; system performance; wedge diffraction analysis; Aerospace electronics; Aircraft; Antenna radiation patterns; Antenna theory; Diffraction; Electromagnetic compatibility; Electromagnetic interference; Rockets; Spirals; System performance;
Conference_Titel :
Electromagnetic Interference and Compatibility, 2001/02. Proceedings of the International Conference on
Print_ISBN :
0-7803-7563-7
DOI :
10.1109/ICEMIC.2002.1006539
