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Modeling 3-D objects with planar surfaces for prediction of electromagnetic scatteringElectromagnetic scattering analysis of objects at resonance is difficult because low frequency techniques are slow and computer intensive, and high frequency techniques may not be reliable. A new technique for predicting the electromagnetic backscatter from electrically conducting objects at resonance is studied. This technique is based on modeling three dimensional objects as a combination of flat plates where some of the plates are blocking the scattering from others. A cube is analyzed as a simple example. The preliminary results compare well with the Geometrical Theory of Diffraction and with measured data.
Document ID
19920017946
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Koch, M. B. (NASA Langley Research Center Hampton, VA, United States)
Beck, F. B. (NASA Langley Research Center Hampton, VA, United States)
Cockrell, C. R. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 6, 2013
Publication Date
April 1, 1992
Subject Category
Communications And Radar
Report/Patent Number
NASA-TM-107598
NAS 1.15:107598
Accession Number
92N27189
Funding Number(s)
PROJECT: RTOP 505-64-70-01
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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