RT Journal Article ID 516d1165586d098f A1 Pazynin, Leonid Aleksandrovich A1 Bryukhovetsky, A. S. T1 Effective Impedance of a Statistically Rough Sphere: I. General Case JF Telecommunications and Radio Engineering JO TRE YR 1997 FD 1997-01-01 VO 51 IS 1 SP 52 OP 63 K1 mathematical formalism K1 radio propagation K1 wave scattering K1 random surface AB Using Bourret's approximation, the mean electromagnetic field scattered by a statistically rough sphere with a small surface impedance η0 is analyzed. Reflection coefficients of the mean field are calculated, which are expressed in terms of effective impedances for spherical multipole waves. In contrast to the previous research of the authors, not only the disturbances proportional to the variance σ2 of irregularity heights, but also those proportional to η0σ2 are taken into account, which proves necessary when η0 is not very small. PB Begell House LK https://www.dl.begellhouse.com/journals/0632a9d54950b268,639d546658c24806,516d1165586d098f.html