professional powerpoint templates arivu
TRANSCRIPT
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SYSTEMS AND SIGNALSA.Arivumathi115012013883
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SIGNALS
It carries some information.
1
A function of one more
independent variable
2
Any physical quantity various
with time,space.
3
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TYPES OF SIGNAL
One dimensional signal1
Two dimensional Signal2
Multi dimensional Signal3
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CLASSIFICATION OF SIGNAL
2
Even and odd
1Periodic and non periodic
3
Energy and power
4
Deterministisc & random
5casual and non casual
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STANDARD SIGNALS
5 Sinusoidal
4 Exponential
3 Unit Ramp
2 Unit impulse
1 Unit Step
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DISCRETE TIME SIGNAL
DTS•Not
continuously with respect to time• only at
specific time instant
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CONTINUOUS TIME SIGNAL
• Continously with respect to time
1
• Denoted by “t”
2
• Example[sincos ]
3
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SYSTEMS
1 Set of components connected together
2 Produce output with response to input
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CLASSIFICATION OF SYSTEM
Linear and Non- linear
Time variant &Invariant
Causal and Non-causal
Static and Dynamic
Stable and Unstable
1
2
3
4
5
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APPLICATIONS OF SIGNALS AND SYSTEMS
speech
1
Automotive
2
Medical
3
control system
4
Image processing
5
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THANK YOU