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    • In this paper, design of reflectarray antennas using 1-bit digital phase shifters is reported. Using quadratic phase distribution due to the incident spherical field on the array face, the quantization error caused by 1-bit phase shifters is compensated. The results are compared with 1.5 and 2 bits phase shifters and effects of frequency squint, number of quantization bits and number of elements on radiation parameters such as scan angle error, directivity and side lobe are discussed. Finally, the study of quantization error variation with respect to radiating source position is presented.



    Titolo: Linear Reflectarray Antenna Design Using 1-bit Digital Phase Shifters
    Autori: 
    VINCENTI GATTI, Roberto
    SORRENTINO, Roberto
    mostra contributor esterni 
    Data di pubblicazione: 2009
    Abstract: In this paper, design of reflectarray antennas using 1-bit digital phase shifters is reported. Using quadratic phase distribution due to the incident spherical field on the array face, the quantization error caused by 1-bit phase shifters is compensated. The results are compared with 1.5 and 2 bits phase shifters and effects of frequency squint, number of quantization bits and number of elements on radiation parameters such as scan angle error, directivity and side lobe are discussed. Finally, the study of quantization error variation with respect to radiating source position is presented.
    Handle: http://hdl.handle.net/11391/37519
    ISBN: 9781424447534
    Appare nelle tipologie:4.1 Contributo in Atti di convegno

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