1 Signal and System 1. Signals and Systems 1.1 Continuous-time and discrete-time signals 1.1.1 EXamples and Mathematical Representation A. EXamples (1)Asimple RC circuit Source voltage Vs and C=N Capacitor voltage Vc
1 Signal and System 1.1 Continuous-time and discrete-time signals 1.1.1 Examples and Mathematical Representation A. Examples (1) A simple RC circuit Source voltage Vs and Capacitor voltage Vc 1. Signals and Systems
1 Signal and System (2)An automobile ⊙ pV Force f from engine Retarding frictional force pV Velocity V
1 Signal and System (2) An automobile Force f from engine Retarding frictional force ρV Velocity V
1 Signal and System 3)A Speech Signal MwhwiwhwwMwMMAi se
1 Signal and System (3) A Speech Signal
1 Signal and System (4)A Picture
1 Signal and System (4) A Picture
1 Signal and System 5)Vertical Wind profile 26 24 22 20 18 g16 14 B 10 02004006008001,0001,2001,4001,600 Height(feet)
1 Signal and System (5) Vertical Wind Profile