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# Circularly polorised microstrip patch

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### Circularly polorised microstrip patch

1. 1. CIRCULARLY POLORISED MICROSTRIP PATCH ANTENNA FOR SETELLITE COMMUNICATION UNDER GUIDANCE OF *Ms. MONIKA BHATNAGAR * Mr. R.K YADAV ANJUL TOMER MOHIT KUMAR NEKPAL GP - 28 ECE
2. 2. PROJECT AIM A circularly polarised microstrip patch antenna is proposed. The proposed antenna has a simple structure, consisting of a square patch with slots and using micro strip line feeding technique. The antenna design is simulated and physically implemented using two different dielectric substrates. The simulations showed good agreement with the measurements and the antenna appears appropriate for the satellite applications.
3. 3. Introduction  Micro strip antennas are an attractive and almost an ideal choice for the mobile communications. so as to provide an orientation with lesser restrictions and reduced propagation problems .Micro strip Patch antennas can be made circularly polarised (CP) and can be used for satellite communications without any significant effects on the physical structure of the object on which they are to be mounted.  The antennas can be modelled and designed using software; Ansoft Designer.
4. 4. Objective of design Patch antenna 2D View 3D View of patch
5. 5. Proposed design
6. 6. Slot cutting coordinates  We have calculated for cutting slots by coordinate     geometry on patch antenna Coordinate for slot A Position (-6,-11.5,0) & size (1,-5.5,0) Slot B position ( 11.5,6, 0)& size (5.5,1,0) Similarly we have calculated the dimension for slot C & slot D
7. 7. Design (in HFSS)
8. 8. REFRENCES: 1.G.V.Trentini,"Partially reflecting sheet arrays," IRE Transactions on Antennas and Propagation, vol. 4, no. 4, pp. 666-671, 1956.  2. J.R. James, S.J.A.Kinany, P. D. Peel, and G.Andrasic, "Leakywave multiple dichroic beamformers," Electronics Letters, vol. 25, no. 18, pp. 1209-1211, 1989.  3. C. Cheype, C. Serier, M. Thevenot, T. Monediere, A. Reineix, and B. Jecko, "An electromagnetic band gap resonator antenna," IEEE Transactions on Antennas and Propagation, vol. 50, no. 9, pp.1285-1290, 2002.  4. L. Leger, C. Serier, R. Chantalat, M. Thevenot, T. Monediere, and B. Jecko, "1D dielectric EBGresonator antenna design," Telecommunications, vol. 59, no. 3-4, pp. 242-260,2004. Annales des