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helical antenna design

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rocel

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experimental books about antenna design

Hi i am an engineering student and we have a project in designing antenna's.helical antennas intrigues me since it can be used in space communications.problem is i'm still a starter with designing antenna's and could i ask some help in helical antenna designing?i'd really appreciate your answers since our deadline is coming.thank you.
 

Azulykit

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J. Kraus describes helicies in his book "Antennas". More recent information is available from Corzine and Mosko.
 

balaguru thavamani

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Can any one help me to get below mentioned IEEE paper

1)
Printed cylindrical slot antenna for GPS commercial applications
Ho, C.H.; Shumaker, P.K.; Fan, L.; Smith, K.B.; Liao, J.W.
Electronics Letters
Volume 32, Issue 3, 1 Feb 1996 Page(s):151 - 152
Digital Object Identifier
Summary:The authors present a new printed cylindrical slot antenna for GPS commercial applications. This antenna displays compact size, low cost, ease of mass production, near-hemispherical radiation coverage and circular polarisation properties. Experimental results show that the printed cylindrical slot antenna has a 3 dB beamwidth of 120° and a front-back ratio >15 dB

2)

A printed hemispherical helical antenna for GPS receivers
Yingbo Zhang; Hui, H.T.
Microwave and Wireless Components Letters, IEEE
Volume 15, Issue 1, Jan. 2005 Page(s): 10 - 12
Digital Object Identifier 10.1109/LMWC.2004.840953(410) 15
Summary: A self-matched printed hemispherical helical antenna for potential use in global positioning system receivers is introduced. Unlike wired hemispherical helical antennas, its printed form renders it a much more stable and endurable structure and also easier for fabrication. The optimized antenna shows an impedance bandwidth of 6%, a 3-dB axial ratio bandwidth of 6%-7%, a return loss greater than 20 dB, and a gain of about 9 dB at the center frequency. The patterns of the antenna show a larger mainlobe in the upper half space with relatively small backlobes. Both theoretical and experimental results was presented.

Advance Thanks
 

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