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Medientyp: E-Artikel Titel: Solution of “switched element” array synthesis problems using the parallel generalized projection algorithm Beteiligte: Swierczynski, Tom; McNamara, Derek A. Erschienen: Wiley, 2004 Erschienen in: Microwave and Optical Technology Letters Sprache: Englisch DOI: 10.1002/mop.20006 ISSN: 1098-2760; 0895-2477 Schlagwörter: Electrical and Electronic Engineering ; Condensed Matter Physics ; Atomic and Molecular Physics, and Optics ; Electronic, Optical and Magnetic Materials Entstehung: Anmerkungen: Beschreibung: <jats:title>Abstract</jats:title><jats:p>In certain antenna arrays (“switched‐element” arrays), some of the radiating elements are turned on or off during operation to provide some desired reconfigurability at different times, or are effectively turned on or off at different frequencies, through the use of filters connected to groups of radiating elements, in order to retain the same performance over wide‐frequency bands. In such circumstances, the excitations of the elements must be the same, irrespective of whether all or only some of the elements are being used. Thus, one may wish to synthesize an array (that is, determine its element excitations) so that the required performance is obtained under different sets of circumstances. In this paper, we indicate how the use of a parallel approach allows the method of generalized projections to be used for such synthesis problems, and demonstrate its use for a specific example. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 40: 465–471, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20006</jats:p>