Z-S

Z-S

Z-TnSAOOu(linearity)SA (time-shift)SP|(convolution)SAOzpUG

1. uS

Z-uSAO@HuX(linear

combination)Z-oHUOZ-uXC{

HFo[A]X₁(z)X₂(z)OOx₁(n) x₂(n)

Z-AhuX \x₁(n)+]x₂(n)Z-G

Z[ \x₁(n)+]x₂(n)]=\X₁(n)+]X₂(z) ( 4 )

\A]RC

2. S

Z-SOpG@H(W

e)Ah(We)HZ-OHZ-

AW z^-n₀(WeWz^+n₀ )A]NOG

Z[x(n)]=X(z)=>

Z[x(n-n₀)]=z^-n₀X(z) ( 5 )

Z[x(n+n₀)]=z^+n₀X(z)

3. P|S

Z-P|SOWP|nAbZ-

hBAYG

y(n)=x(n)*h(n)=>

Y(z)=X(z)H(z) ( 6 )

NOCx(n)h(n)P|nZ-CUO

Z-nCq`Z-iQt{(difference

equations)AY{_lAspAhWzZ-

SiAYt_lAs

AhWzSGpUA|@lG

(i) We

(ii) (7)

^De