� stata progettata, fabbricata e misurata un'antenna reflectarray riconfigurabile in banda X a polarizzazione lineare a microstriscia con angolo di indirizzamento del fascio fino a 16�. La cella unitaria � costituita da un patch a microstriscia sullo strato superiore e da una fessura di lunghezza variabile nel piano di massa. La cella unitaria progettata, di dimensioni 15 mm x 15 mm, offre un intervallo di fase di riflessione di 153�. L'array � composto da 64 elementi con diverse fasi di coefficiente di riflessione sotto forma di array planare. Un prototipo di reflectarray � stato misurato in una camera anecoica in campo lontano presso il NUST, ottenendo un guadagno di 14 dB e un rapporto assiale > 20 dB alla frequenza operativa di 10 GHz.

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Hello! Ria Christie Collections is an online venture that was initially set up in 2012 to sell books. We do not have a physical high street store. We are professional online booksellers. We only sell brand new books in perfect condition that we source from various suppliers and the publishers. Primarily, our aim is to provide an excellent service to all our customers. We always work as a team to achieve this. Our other objectives are to: 1. Ensure that all our products reach their destination quickly in a safe and secure manner 2. Answer to all our customer queries within 24 hours 3. Ensure that our customers are happy with their purchases 4. Provide all the items at a competitive price 5. Always listen to our customers Ria Christie Collections is not a registered company. It is a Sole Trader venture. Other key information is shown below: Contact Person Name: Rakesh Luchmun (Mr) Storefront Name: Ria Christie Collections Place of Establishment Address: Suite B; ARUN House; ARUN Building Arundel Road Uxbridge UB8 2RR United Kingdom E-Mail Address: riachristie@hotmail.co.uk VAT Number: GB 160 5650 25 We always work hard and aim to comply with all of Abebooks Policies. If you have any issues, please do not hesitate to write to us whether before or after a purchase. We promise to reply to you promptly and, in any case, within 24 hours. Thank you kindly! Yours sincerely Mr Rakesh Luchmun (Founder) and the Ria Christie Collections Team

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