7.
. , , , (-1; j0) .
W(jω) φ = - π |W(jω)| = 1 . L(ω) = = 201g|W(jω)| = 0, .. ( 7.1,) . ω, .. , ( ) , .
7.1 : ) ; ) ; )
, φ = -π A(ω) = |W(jω)| < 1 L(ω) = 201gA(ω) < 0, .. - ( 7.1,).
φ = -π |W(jω)| > 1 L(ω) = 201g(ω) > 0. (.3.1,).
, - , φ = -π . 8.1, , , ( CD).
- ( 8.2).
7.2
, , , , φ(ω) (-π) ω, - L(ω) , .
7.2 - . , π L(ω)>0 . , (r = 0), , h1 h2, φ.
, , , , () (-π) r/2 ω, . r .