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We have in this paper, reported on the investigation and validation of the existence of parasitic phase shifts. The cases of HEMT FHX35LG in [4] and E-pHEMT MGA53543 were used for validation, where in both cases; similar phase shifting behaviour was exhibited. This behaviour was exploited for a pre-liminary design of a small linear antenna array. Future work will involve array structures with more...
This paper presents a novel and simple high-resolution DOA (direction-of-arrival) estimation algorithm which corresponds to the case of two incident waves received by ULA (uniform linear array). The proposed DOA estimation formula does not employ eigendecomposition, iteration, optimization or space averaging, therefore it requires very low computational cost but achieves high resolution. Surprisingly,...
In this paper, we propose the calibration technique using reference signal from known sources for two-dimensional DOA estimation, examining the array shapes and the selection of the incident angle for reference signal. We use dipole array on a finite sized ground plane to evaluate DOA estimation error in the calibration
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