, , , .
.
:
h(t) = L-1[W(s)/s)] = L-1[K/[s(T2s2 + 2T ξs +1)]] =
, , - ξ/T, .
, . ξ → 0 ω → 1/T; ξ → 1 ω → 0.
.
:
w(t) = L-1[W(s)] = L-1[K/(T2s2 + 2T ξ s +1)] =
. 4.4. .
.
:
W(jω) = K/(T2(jω)2 + 2T ξ jω + 1) =
: . .
: Tw << 1; .. w << 1/T; T2w2. : L(w) = 20lgK. .
: Tw >> 1; .. w >> 1/T; 1 T2w2. L(w) = 20lgK 40lg(Tw). -40/.
. 4.5. , .
ω1 = 1/T.
, ω = 1/T ( ""), - . . :
, .
, a (), .. .
, (ω), (ω) (ωmax) . ξ, , ω, ω ωmax , ω* = 1/T.
.
:
W(s) = K/s = 1/Ts, K ; T ( ); T = 1/K.