Unformatted text preview:  88891 : 1388/8/4 : .( ) 1 4
1 2 j 6 ( 2 ( ) ( 2 1 exp(( 1) 2 ) ( 2 ( 6 3 2 3 w[n] . w[n] 2 : x[n], n 0 w[n] n0 0, . y[n] w[n] . x[n] . w[n] ( . w[n] ( . () () n ( : Z 3 11 4 x[n] u[n] 2 n u[n 1] ( 32 3 n x[n] (1) n cos( n)u[n] ( 6
X(z) y[n] k x[k ] ( n x[n] = (n + 1) u[n] ( : Z 4 ROC: z > . X(z) = log(1 z1) ( .ROC: z 0 X ( z ) e z e
1 z ( X(z) x[n] 5 . ROC z 1 X ( z) 1 1 0.5 z 0.6 z 2 n = 3 . X ( z ) 1 z 1 Z 6 (1 1 z 1 )(1 1 z 1 ) 2 3 . n = 2 : Z 7 y[n] = 0.5y[n 1] 0.25y[n 2] + x[n] y[1] = 0, y[2] = 1 x[n] = u[n] . SchurCohn 8 H(z) = 1 / (1 2.5404z + 4.2964z2 3.1529z3 + 1.2178z4 0.1875z5) 1 . M .h[n] = 0; n < 0 , n > M h[n] 9 . H(z) h[M n] = h[n] : 10 . c xx [n] k x[k ]x [k n] . c [n] c xx [n] ( xx r1 X(z) . C xx ( z ) X ( z ) X ( 1 ) cxx[n] Z ( z . Cxx(z) < z < r2 Cxx(z) a < 1 a x[n] = anu[n] ( . Cxx(z) Z cxx[n] . ...
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 Spring '08
 WIDNI

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