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2014-01-22
Effects of Ground on Antenna Mutual Impedance for DOA Estimation Using Dipole Arrays
By
Progress In Electromagnetics Research C, Vol. 46, 179-185, 2014
Abstract
This paper investigates the effects on received mutual coupling of λ/2 dipole arrays placed near real-earth. As a rule of thumb, estimation of mutual coupling can be divided in two regions of antenna height that is very near ground 0 < h < λ and fairly freespace region h ≥ λ. The receiving antenna mutual coupling remains fairly unaffected from ground conductivity, when antenna height h ≥ λ. Both vertical and horizontal polarization cases showed the same trend. Investigation of effects of nearness of good-ground to the array on DOA estimation revealed that for azimuth DOA estimation, the proposed method of removing mutual coupling works well even for near ground.
Citation
Irfan Ahmed, and Warren Perger, "Effects of Ground on Antenna Mutual Impedance for DOA Estimation Using Dipole Arrays," Progress In Electromagnetics Research C, Vol. 46, 179-185, 2014.
doi:10.2528/PIERC13111605
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