Time Domain Representation of Continuous and Discrete Signals 35
Sawtooth(t,.50) versus t 2*Sawtooth(t,.25) versus t
1.5
0.5
0
0510
−0.5
− 1
−1.5
1
f1(t) f2(t)
f3(t)
3*Sawtooth(t,.33) versus t 4*Sawtooth(t,.75) versus t
2
1
0
0 510
− 1
− 2
5
− 5
0
0510
f4(t)
t (time)
4
2
− 2
− 4
0
0 510
t (time)
FIGURE 1.31
Plots of the function sawtooth of R.1.108.
FIGURE 1.32
Plot of the function sinc of R.1.110.
sinc(x) versus x for −5<x<5
1
0.8
0.6
0.4
0.2
0
−0.2
−0.4
− 5 − (^4) − 3 − 2 − 1 0 1 2 3 4 5
x
Amplitude [Sinc(x)]