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31I14 IJAET0514278 v6 iss2 836to841.pdf


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International Journal of Advances in Engineering & Technology, May 2013.
©IJAET
ISSN: 2231-1963
Pole/Zero Plot

3

2

Imaginary Part
1

9

0

-1

LEAST SQUARE: Zero
LEAST SQUARE: Pole
LEAST Pth NORM: Zero
LEAST Pth NORM: Pole

-2

-3

0

2

4

6

8

10

12

14

16

18

Real Part

Figure 2 Pole and Zero Plot (10 coefficient)
Impulse Response
0.4

LEAST Pth NORM
LEAST SQUARE

0.3

Amplitude
0.2

0.1

0

-0.1
0

1

2

3

4

Samples

5

6

7

8

9

Figure 3 Impulse Response (10 coefficient)
Magnitude Response (dB)
0

-10

-20
Magnitude
(dB)

LEAST SQUARE
LEAST Pth NORM

-30

-40

-50

-60

-70
0

50

100

150

200

250

300

350

400

450

Frequency (mHz)

Figure 4 Magnitude Response (20 coefficient)

839

Vol. 6, Issue 2, pp. 836-841