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Demonstrates improved material permittivity estimation using optimal radar receiver placement, suggesting enhanced accuracy in multilayer materials.
• Model-updating framework estimates multi-layer material permittivity using a multi-antenna (receiver) radar system. • Information content from multi-receiver data is quantified based on entropy and degree of information (DoI). • The required number of receivers and their optimal placement locations can be identified based on information content. • Compared to uniform placement, optimal receiver placement significantly improves accuracy, reduces uncertainty, and mitigates the non-uniqueness of multilayer permittivity estimation.
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Aziz et al. (2026) studied this question.
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