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SAR
Radar signal penetration: A function of surface roughness, Dielectric permitivity, wavelength and polarization.
The calibrated backscattered measured by a SAR sensors is described using Radar Cross Section(RCS) σ, which is defined as the ratio between the received and incident signal intensity. σ = Ireceived/Iincident . 4πR2[m2] The RCS is not usually easy to