X AXIS : offset freq 4 `0 s2 x% {: T, X j4 A8 R/ V, ADefine of Phase noise (dBc/Hz) 6 \2 J. B* o# r% r+ k* HUnit BW at an "offset" △ω with respect to ωc (operate freq), 1 C7 x' ^ b# T [ T% C- N# Rcalculate the noise power in this bandwidth, ' S/ w- T% f" I- M3 `1 W2 P& Band divide the result by the average power.