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Calculating Position of Feed Antenna and Dimensions of Subreflector in the Cassegrain Antenna Using the Bisection Numerical Method

Journal Name:

  • International Journal of Science and Engineering Investigations

Publication Year:

  • 2017

Key Words:

Author NameUniversity of AuthorFaculty of Author
Abstract (2. Language): 
In this paper Cassegrain antenna and its geometric structure is reviewed and a relation for calculating dimensions of its main and subreflector to minimize the blockage is investigated. This relation which is a complicated equation with respect to several variables is then simplified in the design example and expressed versus only one variable. The simplified equation is then solved numerically using the method of bisection with rapid convergence and high precision. The design example clarifies the method more clearly.
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REFERENCES

References: 

[1] Baars, J. W. M., ”The Paraboloidal Reflector Antenna in Radio Astronomy and Communication”, Astrophys. Space Sci. Libr., Springer, 2007.
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[3] Varbeg, D., Purcell, E.J., Rigdon, S.E., “Calculus with differential equations”, Prentice Hall. Inc., 9th ed., 2007 .
[4] B. M. Thomas, "Design of corrugated conical horns", IEEE Transactions on Antennas and Propagation, vol. AP-26, no. 2, March 1978, pp. 367–372.
[5] Chapra, S., “Applied Numerical Methods With MATLAB for Engineers & Scientists”, McGraw-Hill, 3rd Edition, 2011.
[6] “MATLAB 7.4.0.347 (R2009a) Software”, The MathWorks, Inc., February, 12, 2009.

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