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The active element pattern

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1 Author(s)
Pozar, D.M. ; Dept. of Electr. & Comput. Eng., Massachusetts Univ., Amherst, MA, USA

This review article discusses the use of the active element pattern for prediction of the scan performance of large phased array antennas. The introduction and application of the concept of the active element pattern goes back at least 30 years but the subject is generally not covered in modern antenna engineering textbooks or handbooks, and many contemporary workers are unfamiliar with this simple but powerful idea. In addition, early references on this subject do not provide a rigorous discussion or derivation of the active element pattern, relying instead on a more qualitative interpretation. The purpose of this article is to make the technique of active element patterns more accessible to antenna engineers, and to provide a new derivation of the basic active element pattern relations in terms of scattering parameters

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Antennas and Propagation, IEEE Transactions on  (Volume:42 ,  Issue: 8 )