G(S R K R +ps+ k R +250ns+ (3-3-8 where =√Kz=p/2K n OS 2 2022-2-3 102022-2-3 10             2 2 2 2 1 2 n n n G s Y s R s G s K R s s p s K R s s s             where n  K   p 2 K (3-3-8)