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References in periodicals archive ?
Operating frequency 1.575 GHz Bandwidth 1.563-1.587 GHz Polarization RHCP Axial ratio 3dB Minimum gain within coverage -6 dBic in RHCP Minimum beamwidth within coverage 84 degree Table 2.
Like any other type of antenna, the phased array has a beamwidth and a gain which are interactive
The initial solution [L.sup.(0)] for the iterative numerical scheme is an ellipsoid with [a.sup.(0)] = -40.893 cm, [b.sup.(0)] = -0.077795, [c.sup.(0)] = 0, and [d.sup.(0)] = 0.62708, which provides a beamwidth equal to the specification in the symmetry plane, [[alpha].sub.u] = 8[degrees].
Equation (8) describes the variation of the scaled beamwidth in any transversal direction (e.g., x or y) in a SNN medium.
4) The usage of shorted annular stacked patch as radiator instead of conventional patch, which can provide stable gain bandwidth, broad beamwidth characteristics and good axial ratio at low elevation.
This paper presents a novel antenna with a triple-mode beamwidth using a 1 x 3 array.
However, for higher SNR, the threshold must be specified higher than the system noise level depending on the side-lobe level of the directional patterns, their beamwidth and mutual orthogonality.
However, few of them can provide broad beamwidth and low cross-polarization at low elevation, which are useful to suppressing multipath interferences.
3-dB Beamwidth: The two-sided angle (in one plane) between the angles at which the antenna gain is reduced to half of the gain at the boresight (i.e., 3-dB gain reduction).
At center frequency, the horn antenna exhibits 10-dBi nominal gain and a typical half-power beamwidth of 60 degrees.