Impact of Onset Ambiguity on SEM Signature and Reduction Approach by Scattering and Polarization Diversification
Open Access
- 1 January 2020
- journal article
- research article
- Published by Scientific Research Publishing, Inc. in Journal of Electromagnetic Analysis and Applications
- Vol. 12 (03), 29-42
- https://doi.org/10.4236/jemaa.2020.123004
Abstract
The paper assesses how multiple-static scattering mitigates the effect of late-time onset on the robustness of the extracted resonance modes in the context of radar target classification. The assessment exploits the mode distribution vs onset shift to verify the sensitivity of the mode’s extraction to the selected onset, especially higher-order, to onset. However, within some bistatic directions, the modes have enhanced energies with lesser specular energy, making the modes estimate less sensitive to onset shifts. Also, the mode distribution per bistatic and polarization configuration has demonstrated different onset windows of accurate and consistent mode extraction. Notably, the distribution of the mode energy distribution reveals that classification performance degrades with poorly selected onset.Keywords
This publication has 11 references indexed in Scilit:
- Performance of natural frequency-based target detection in frequency domainJournal of Electromagnetic Waves and Applications, 2012
- Characteristic Polarization States Estimation in an Ultrawideband Context: A Frequency ApproachIEEE Transactions on Geoscience and Remote Sensing, 2009
- Radar-Target Identification via Exponential Extinction-Pulse SynthesisIEEE Transactions on Antennas and Propagation, 2007
- Signal Decomposition by Using the S-Method With Application to the Analysis of HF Radar Signals in Sea-ClutterIEEE Transactions on Signal Processing, 2006
- An Asymptotically Unbiased E-Pulse-Based Scheme for Radar Target DiscriminationIEEE Transactions on Antennas and Propagation, 2004
- Using the matrix pencil method to estimate the parameters of a sum of complex exponentialsIEEE Antennas and Propagation Magazine, 1995
- Problems in airborne radar target recognitionInverse Problems, 1994
- On SVD for estimating generalized eigenvalues of singular matrix pencil in noiseIEEE Transactions on Signal Processing, 1991
- An overview of radar-based, automatic, noncooperative target recognition techniquesPublished by Institute of Electrical and Electronics Engineers (IEEE) ,1991
- Frequency domain E-pulse synthesis and target discriminationIEEE Transactions on Antennas and Propagation, 1987