2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/75189We deal with the inverse scattering problem of determining the surface impedance of a partially coated obstacle. We prove a stability estimate of logarithmic type for the impedance term by the far field measurements.Analysis of PDEs35R30; 35R25; 31B20Stable determination of the surface impedance of an obstacle by far field measurementstext