NDLI: Diffraction and reflection of a plane electromagnetic wave in a right-angle corner with impedance walls.

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Diffraction and reflection of a plane electromagnetic wave in a right-angle corner with impedance walls.

Content Provider	CiteSeerX
Author	Osipov, Andrey V. Senior, Thomas B. A.
Abstract	We study the behavior of an electromagnetic field in a right-angle interior wedge-shaped region with impedance faces. This geometry is a useful model for a variety of applications in radar and wireless communication technologies. An exact solution of the general problem for an arbitrary-angle wedge with tensor impedance boundary conditions excited by an incident plane electromagnetic wave is specialized to the case of a 90 ° wedge with diagonal tensor impedances. We present explicit expressions for the geometrical optics portion of the field and show that they are continuous inside the region only if a compatibility condition on the face impedances is met. In general the geometrical optics fields are discontinuous at the direction of incidence and the edge-diffracted field gets excited in the region to make the total field continuous. Numerical results illustrate the edge-diffracted field as a function of observation angle for several impedance combinations, showing the overall increase as the impedance compatibility condition is increasingly not met.
File Format	PDF
Access Restriction	Open
Subject Keyword	Plane Electromagnetic Wave Impedance Wall Right-angle Corner Edge-diffracted Field Present Explicit Expression Numerical Result Geometrical Optic Field Exact Solution Wireless Communication Technology Diagonal Tensor Impedance Geometrical Optic Portion Arbitrary-angle Wedge Incident Plane Electromagnetic Wave Several Impedance Combination Electromagnetic Field Total Field Right-angle Interior Wedge-shaped Region Impedance Compatibility Condition General Problem Overall Increase Compatibility Condition Face Impedance Observation Angle Useful Model Tensor Impedance Boundary Condition
Content Type	Text

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