Title :
Arbitrary source effects on finite frequency selective surfaces
Author :
Merewether, K. ; Mittra, R.
Author_Institution :
Electromagn. Commun. Lab., Illinois Univ., Urbana, IL, USA
Abstract :
The authors study the effects of multiple incident angles on a particular FSS (frequency selective surface) of finite width and show how these effects may be offset by tapering the surface along the direction of variation in the incident field. The results of a numerical study of the finite FSS illuminated by an arbitrary wave are presented. A comparison of the power reflection coefficient is provided for the following cases: (1) scattering from an infinite periodic surface due to a plane wave incident from theta =30 degrees ; and (2) scattering from a uniform, finite-width frequency selective surface of 15 elements due to an incident field that varies in x as the H-plane cut of an E-plane sectoral horn.<>
Keywords :
electromagnetic wave propagation; electromagnetic wave scattering; E-plane sectoral horn; FSS; H-plane cut; arbitrary source effects; arbitrary wave; finite width; frequency selective surfaces; incident field; infinite periodic surface; multiple incident angles; numerical study; plane wave; power reflection coefficient; scattering; tapering; Artificial satellites; Current density; Fourier series; Frequency selective surfaces; Geometry; Laboratories; Reflection; Resonant frequency; Surface waves; Transmission line matrix methods;
Conference_Titel :
Antennas and Propagation Society International Symposium, 1989. AP-S. Digest
Conference_Location :
San Jose, CA, USA
DOI :
10.1109/APS.1989.134886
