Cathedral of St. Helena Raises Its Voice for All to Hear Crossroads Church Creates 360-Degree Immersive Worship Experience ...
Abstract: For a large-scale array, the subarray technology can save the radio frequency (RF) channels. However, the use of subarray technology often tends to reduce the beamforming performance of the ...
Abstract: A sum and difference beam antenna with a novel parallel-strip line Σ-Δ comparator for unmanned aerial vehicle (UAV) is proposed in this paper. The new type of Σ-Δ comparator, which is more ...
Vortex phenomena are widespread in nature, from typhoons to ocean currents. In the field of optics, vortex beams, which carry orbital angular momentum, have spiral wavefronts and ring-shaped intensity ...
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