Knott defines as a comparison between the strength of a radar beam hitting a target and the strength of the reflected echo received back.
where σ is the RCS, λ is the wavelength of the radar signal, E(θ,φ) is the electric field scattered by the target, and dΩ is the solid angle element. radar cross section eugene f. knott pdf
The second edition is organized into 14 chapters covering the lifecycle of RCS engineering: ARTECH HOUSE USA Knott defines as a comparison between the strength