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Modeling 3-D objects with planar surfaces for prediction of electromagnetic scattering (1992)

Koch, M. B. ; Beck, F. B. ; Cockrell, C. R.

In: CASI

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Publication Date: 2019-06-28

Description: Electromagnetic 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.

Keywords: COMMUNICATIONS AND RADAR

Type: NASA-TM-107598 , NAS 1.15:107598

Format: application/pdf

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