Lecture 2
Engineering functions
1
• Rectangular Pulse
-1/2
rect(t)
1/2
t
sinc(t)
• Sinc-function
sgn(t)
• Signum Functions
Rectangular Pulse
rect(t) is defined by
0 t 1
2
1
x( t ) 1 2 t 21
1
0 t 2
x(t)=rect(t)
1
-1/2
1/2
t
Fourier transform of rect(t)
1/2
