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A JOINT PARAMETER ESTIMATION METHOD WITH CONICAL CONFORMAL CLD PAIR ARRAY

By G. Wang

Full Article PDF (155 KB)

Abstract:
A novel direction of arrival (DOA) and polarization estimation method with sparse conical conformal array consisting of concentred loop and dipole (CLD) pairs along the z-axis direction is proposed in this paper. In the algorithm, the DOA and polarization information of incident signals are decoupled through transformation to array steering vectors. According to the array manifold vector relationship between electric dipoles and magnetic loops, the signal polarization parameters are given. The phase differences between reference element and elements on upper circular ring are acquired from the steering vectors of upper circular ring, it can be used to give rough but unambiguous estimates of DOA. The phase differences are also used as coarse references to disambiguate the cyclic phase ambiguities in phase differences between two array elements on lower circular ring. Without spectral peak searching and parameter matching, this method has the advantage of small amount of calculation. Finally, simulation results verify the effectiveness of the algorithm.

Citation:
G. Wang, "A Joint Parameter Estimation Method with Conical Conformal CLD Pair Array," Progress In Electromagnetics Research C, Vol. 57, 99-107, 2015.
doi:10.2528/PIERC15021206
http://www.jpier.org/pierc/pier.php?paper=15021206

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