دانلود Orbital Angular Momentum in Radio—A System Study

ترجمه فارسی Orbital Angular Momentum in Radio—A System Study
قیمت : 255,000 ریال
شناسه محصول : 2008804
نویسنده/ناشر/نام مجله : IEEE, Transactions on Antennas and Propagation
سال انتشار: 2010
تعداد صفحات انگليسي : 8
نوع فایل های ضمیمه : pdf+word
حجم فایل : 1 Mb
کلمه عبور همه فایلها : www.daneshgahi.com
عنوان انگليسي : Orbital Angular Momentum in Radio—A System Study

چکیده

Abstract

Recent discoveries concerning rotating (helical) phase fronts and orbital angular momentum (OAM) of laser beams are applied to radio frequencies and comprehensive simulations of a radio OAM system are performed. We find that with the use of vector field-sensing electric and magnetic triaxial antennas, it is possible to unambiguously estimate the OAM in radio beams by local measurements at a single point, assuming ideal (noiseless) conditions and that the beam axis is known. Furthermore, we show that conventional antenna pattern optimization methods can be applied to OAM-generating circular arrays to enhance their directivity.

 

 

 

Keywords: Laser beams Radio frequency Antenna measurements
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