What is it about?
Aimed on prediction of pattern of an airborne antenna at any point on the imaginary sphere using wedge diffraction analysis. Intially the work carried out and validated with monopole and latter it is extended for high performance GPS antennas. The results are validated experimentally with the colloboration of DLRL Hyderabad.
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Why is it important?
The numerical modelling is well noted as cost effective and found it to be useful as custom designed software. The alogrithms were implemented in user friendly launguage MATLAB. This algorithm is easy to understand as most of the instructions were suitably commented. This saves real time measurements cost at initial level.
Perspectives
The work presented in the paper is combined effort of me and B.R.K.Rao with the valuable guidance of Dr. A.D.Sarma, Director of R&T Unit of Navigational electronics at the time of publication. The paper is made available by IETE as online access in 2015. The idea is evaluated from two sponsored projects of Research Center Imarath and VSSC trivandrum. Concepts are exended to rocket shaped structure. The experimentation is accorded under supervison of co-author B.R.K.Rao with curtesy of DLRL, Hyderabad. The analysis presented is unparallel, though it seems to be simple extension of one principle plane concept. But the principal plane is 2-D concept. The entire structure is redefined and mathametical parameters are modified such that 3-D enviornment can be incorporated. Even distance between two corners require vector concept than a 2-D geometric at principal plane analysis.
Dr Satyana rayana Murti sarma Nimushakavi
Sreenidhi Institute of Science and Technology
Read the Original
This page is a summary of: A Novel Technique of Modeling GPS Antennas Mounted on a Rocket Shaped Structure using Wedge Diffraction Analysis, IETE Technical Review, March 2001, Taylor & Francis,
DOI: 10.1080/02564602.2001.11416958.
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