Subband- and Wavelet-Based Coding - Digital Signal Processing: Fundamentals and Applications - page 676

2

1.5

1

0.5

0

-0.5

-1

-1.5

-2

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

Time (s ec . )

FIGURE 13.51

A sine function in Problem 13.11.

e. f ðt= 4 0 : 5 Þ
13.12. Given a father wavelet (base scaling function) in base scale plotted in Figure 13.52 ( a),
determine a and b for each of the wavelets plotted in Figure 13.52 ( b) and (c).

13.13. Consider the signal in Figure 13.53 .
Sketch
a. f ð 4 tÞ
b. f ðt 2 Þ
c. f ð 2 t 3 Þ
d. f ðt= 2 Þ
e.

f ðt= 4 0 : 5 Þ

13.14. Consider the signal in Figure 13.54 .
Sketch
a. f ð 4 tÞ
b. f ðt 2 Þ