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Instructor’s Guide to Accompany Digital Signal Processing: Fundamentals and Applications Part 2: Chapter 9 – Chapter 14 Lizhe Tan Jean Jiang$13.99
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Instructor’s
Tan andGuide to Accompany
Jiang’s Instructor’s Guide to Accompany to Digital Signal Processing 1
Digital Signal Processing: Fundamentals and Applications
Part 2: Chapter 9 – Chapter 14
Instructor’s Guide to Accompany
Digital Signal Processing: Fundamentals and Applications
Part 2: Chapter 9 – Chapter 14
Lizhe Tan
Jean Jiang
,Tan and Jiang’s Instructor’s Guide to Accompany to Digital Signal Processing 2
9.9
a.
y(n) w0 x(n) w1 x(n 1)
e(n) d (n) y (n)
w0 w0 0.2 e(n) x(n)
w1 w1 0.2 e(n) x(n 1)
b.
for n 0 : y (0) 0 , e(0) 3 , w0 1.8 , w1 1
for n 1 : y (1) 1.2 , e(1) 3.2 , w0 2.44 , w1 0.92
for n 2 : y (2) 5.8 , e(2) 4.8 , w0 0.52 , w1 0.04
, Tan and Jiang’s Instructor’s Guide to Accompany to Digital Signal Processing 4
c.
W [0 0]T , X (n) [ x(n) x(n 1)]T
1 0
Q
0 1
d (n) X T (n)W
QX (n)
k
X T (n)QX (n)
W W k
Q [Q kX T (n)Q]/
y ( n) W T X ( n )
e(n) d (n) y (n)
d.
close all; clear all; clc
W=[0 0]'; X=[0 0]';
x=[3 -1 2]; d=[3 -2 1]; y=[];
lamda=0.96; delta=0.5;Q=eye(2)*delta;
for n=1:3
X=[x(n); X(1:1)];
alpha=d(n)-X'*W
k=Q*X/(lamda+X'*Q*X)
W=W+k*alpha
Q=(Q-k*X'*Q)/lamda
y(n)=W'*X
e(n)=d(n)-y(n)
end
n=0:
alpha = 3
k = 0.2747
0
W = 0.8242
0
Q = 0.0916 0
0 0.5208
y = 2.4725
e = 0.5275
n=1:
alpha = -1.1758
k = -0.0160
0.2723
W = 0.8429
-0.3201
Q = 0.0939 0.0260
0.0260 0.0994
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