Experimental and theoretical approaches to verify the validity of the incremental theory of diffraction (ITD) are considered. After providing a simple recipe for the application of the ITD, three geometries are examined for its validation. First, the ITD formulation of the diffraction from a perfect electric conductor (PEC) straight wedge is compared with the uniform theory of diffraction (UTD) and with measurement results. Second, the ITD formulation of the diffraction from a PEC disc is compared with measurement results and with the exact solution of a boundary value problem involving oblate spheroidal functions. Third, the ITD formulation of the diffraction from a hole in a PEC plane is compared with the exact solution of a boundary value problem involving oblate spheroidal functions. In particular, this is the first time that ITD results for diffraction from the disc and hole in a plane geometries are validated using exact solutions computed at a caustic. In all cases examined, very good agreement is found.

D., E., S. M., C., H. T., H., Albani, M. (2008). Experimental and Theoretical Validation for the Incremental Theory of Diffraction. IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 56(8), 2563-2571 [10.1109/TAP.2008.927566].

Experimental and Theoretical Validation for the Incremental Theory of Diffraction

ALBANI, MATTEO
2008-01-01

Abstract

Experimental and theoretical approaches to verify the validity of the incremental theory of diffraction (ITD) are considered. After providing a simple recipe for the application of the ITD, three geometries are examined for its validation. First, the ITD formulation of the diffraction from a perfect electric conductor (PEC) straight wedge is compared with the uniform theory of diffraction (UTD) and with measurement results. Second, the ITD formulation of the diffraction from a PEC disc is compared with measurement results and with the exact solution of a boundary value problem involving oblate spheroidal functions. Third, the ITD formulation of the diffraction from a hole in a PEC plane is compared with the exact solution of a boundary value problem involving oblate spheroidal functions. In particular, this is the first time that ITD results for diffraction from the disc and hole in a plane geometries are validated using exact solutions computed at a caustic. In all cases examined, very good agreement is found.
2008
D., E., S. M., C., H. T., H., Albani, M. (2008). Experimental and Theoretical Validation for the Incremental Theory of Diffraction. IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 56(8), 2563-2571 [10.1109/TAP.2008.927566].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11365/43038
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