Search Results - "Bregains, Julio C."

Multibeam Single-Sideband Time-Modulated Arrays by Maneiro-Catoira, Roberto, Garcia-Naya, Jose A., Bregains, Julio, Castedo, Luis

“…The design of efficient time-modulated arrays (TMAs) for multi-beam steering purposes must be based on both a type of periodical sequences that guarantees an…”
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Enhanced Time-Modulated Arrays for Harmonic Beamforming by Maneiro-Catoira, Roberto, Bregains, Julio C., Garcia-Naya, Jose A., Castedo, Luis

“…One of the primary features of time-modulated arrays (TMAs) is their ability to adapt their harmonic patterns to exploit the angular diversity of multipath…”
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Performance Analysis of Time-Modulated Arrays for the Angle Diversity Reception of Digital Linear Modulated Signals by Maneiro-Catoira, Roberto, Bregains, Julio C., Garcia-Naya, Jose A., Castedo, Luis, Rocca, Paolo, Poli, Lorenzo

“…Diversity occurs whenever several copies of the same transmitted signal arrive at a receiver. Such a situation allows for improving the performance of a…”
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On the Feasibility of Time-Modulated Arrays for Digital Linear Modulations: A Theoretical Analysis by Maneiro-Catoira, Roberto, Bregains, Julio C., Garcia-Naya, Jose A., Castedo, Luis

“…Wireless communications are widely based on linear digital modulation methods, which introduce the digital baseband information in the amplitude and/or in the…”
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A comparison of optimization techniques for power patterns with low sidelobes generated by linear arrays with efficient excitation distributions by Smith, S. Kyle, Brégains, Julio C., Melde, Kathleen L., Ares, Francisco

“…Equispaced linear arrays that have uniformly excited central elements and monotonically decreasing flanking segments have been shown to yield low‐sidelobe…”
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NEAR FIELD QUASI-NULL CONTROL WITH FAR FIELD SIDELOBE LEVEL MAINTENANCE IN LINE SOURCE DIFFERENCE PATTERNS by Brégains, J. C., Ares, F., Moreno, E.

“…A previously developed method to place a quasi-null in a specified angular position of the near-field line source in sum patterns while, simultaneously, the…”
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Analytical and optimization methods for linear arrays with high efficiency and low sidelobes by Smith, S.K., Bregains, J.C., Melde, K.L., Ares, F.

“…Array distributions that have a uniformly excited central segment and a monotonically decreasing outer segment have been shown to yield low sidelobe patterns…”
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