Percorrer por autor "Conniott, W."
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- Shielding Effectiveness of Log Barriers for Radio Exclusion ZonesPublication . Conniott, W.; VITORINO REIS, JOÃO RICARDO; Leonor, Nuno; Caldeirinha, RafaelThis paper presents the development of new electromagnetic barriers based on wooden poles for application in electromagnetic site shielding. Exposure to electromagnetic radiation becomes a raising concern among the population worldwide, mostly due to the explosion of mobile technologies and services. A number of innovative and highly sustainable barriers made of circular section timber of low industrial processing, based on periodic structure of wooden poles that are stacked in a multi-layer configuration, while allowing visual transparency, is proposed. Immediate applications may be found in electromagnetic barriers that may be placed at intended radio exclusion zones in the [0.7, 2.5] GHz frequency range. © 2018 Institution of Engineering and Technology. All rights reserved.