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2011-01-31
Wideband Dispersion Analysis of Waveguide Geometries Using Finite Sampled Data
By
Progress In Electromagnetics Research M, Vol. 16, 235-244, 2011
Abstract
Wideband analysis of frequency dispersive geometries is a challenge in inverse scattering problems. Waveguide duct is an important case in aerial targets with dominant returns. Its dispersive behavior affects the range profile analysis due to occurrence of unwanted range extension. A new high frequency analysis using model based parameter estimation (MBPE) approach is presented. A group delay criteria derived from the nonlinear scattering phase response represents the duct length. Wideband sparse measured frequency domain samples of various waveguides are used as inputs to the model. Comparison is made with joint time-frequency analysis (JTFA) and inverse fast Fourier transform (IFFT) results.
Citation
Hamid Heidar, and Ahad Tavakoli, "Wideband Dispersion Analysis of Waveguide Geometries Using Finite Sampled Data," Progress In Electromagnetics Research M, Vol. 16, 235-244, 2011.
doi:10.2528/PIERM11010103
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