14.1 SIGNALS AND SPECTRAL ANALYSIS 635EXAMPLE 14.1.4
Consider the following periodic waveforms shown in Figure E14.1.4:
At
−T 0 TAt
0 D/2 TA−At
−T^0 T−T −D/2−T/2 T/2−T/2
T/2−T/2 T/2−T/2 T/2A−At
−T^0 TA−At
−T^0 T(d)
(e)(c)(b)
(a)Figure E14.1.4Periodic waveforms.