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Progettazione di antenne per applicazioni di telemetria biologica
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ISBN10: 6202497289
ISBN13: 9786202497282
Publisher: Edizioni Sapienza
Published: Jun 30 2025
Pages: 88
Weight: 0.28
Height: 0.21 Width: 6.00 Depth: 9.00
Language: Italian
ISBN13: 9786202497282
Publisher: Edizioni Sapienza
Published: Jun 30 2025
Pages: 88
Weight: 0.28
Height: 0.21 Width: 6.00 Depth: 9.00
Language: Italian
Per consentire a una rete wireless corporea (WBAN) di eseguire diversi tipi di comunicazioni in diverse posizioni del corpo, sono necessarie diverse antenne. Pertanto, al fine di ridurre il numero di antenne, è necessario disporre di antenne con flessibilità operativa, ovvero una singola antenna che possa servire a più di un tipo di comunicazione. Nel caso della WBAN, l'antenna deve essere posizionata sul corpo, quindi la sua forma deve essere regolabile in base al corpo. La maggior parte delle parti del corpo sono curve, quindi un'antenna piatta non può seguire la curvatura del corpo e alcune parti dell'antenna risulteranno sporgenti, interferendo con i movimenti naturali del corpo. L'antenna di forma curva può seguire la curvatura del corpo, quindi l'antenna proposta è stata realizzata curva. L'antenna curva discussa in questo libro è progettata per irradiare a due frequenze, 2,45 GHz e 5,8 GHz, e la modellazione è stata effettuata utilizzando il software CST. L'antenna proposta ha un effetto minore delle radiazioni sul corpo. Il valore SAR dell'antenna è 0,676 W/kg a 2,45 GHz e 0,294 W/kg a 5,8 GHz. Questi valori di SAR sono ben al di sotto dei limiti previsti in India.
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