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2012 (Vol. 4, Issue: 18)
Article Information:

Beamforming in Short Time Fractional Fourier Domain (FRFD)

Mostafa Rahmani and Hassan Ghassemian
Corresponding Author:  Mostafa Rahmani 

Key words:  Array processing, beamforming, direction of arrival, fractional fourier domain, fractional fourier transform, steering vector,
Vol. 4 , (18): 3510-3515
Submitted Accepted Published
May 08, 2012 June 08, 2012 September 15, 2012
Abstract:

This study aims to generate a model for the problem of beamforming in fractional Fourier domain, through which a general solution for obtaining weighted beamforming in fractional Fourier domain for different criteria might be delivered. In order to generate this model, a description of fractional delay concept is presented, through which the string vector in fractional Fourier domain is calculated and a model for beamforming in fractional Fourier domain is generated which is similar to that used for obtaining weighted beamforming in time domain for narrow-band signals. To complement our solution, a method for obtaining the optimal fractional domain as well as direction of arrival in optimal fractional Fourier domain.
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  Cite this Reference:
Mostafa Rahmani and Hassan Ghassemian, 2012. Beamforming in Short Time Fractional Fourier Domain (FRFD).  Research Journal of Applied Sciences, Engineering and Technology, 4(18): 3510-3515.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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