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1 Signals and Systems

1 Signals and Systems. 1.1 Continuous-Time and Discrete-Time Signals Examples. 1.1 Continuous-Time and Discrete-Time Signals Examples. 1.1 Continuous-Time and Discrete-Time Signals Examples. Examples. 1.1 Continuous-Time and Discrete-Time Signals Examples.

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1 Signals and Systems

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  1. 1 Signals and Systems 1.1 Continuous-Time and Discrete-Time Signals Examples

  2. 1.1 Continuous-Time and Discrete-Time Signals Examples

  3. 1.1 Continuous-Time and Discrete-Time Signals Examples

  4. Examples

  5. 1.1 Continuous-Time and Discrete-Time Signals Examples

  6. 1.1 Continuous-Time and Discrete-Time Signals Signals are represented mathematically as functions of one or more independent variables. 1-Dimension Signals: involve a single independent variable. We focus our attention on 1-Dimension Signals. We will generally refer to the independent variable as time, although it may not in fact represent time in specific applications.

  7. 1.1 Continuous-Time and Discrete-Time Signals Continuous-Time Signals: The independent variable is continuous, and thus these signals are defined for a continuum of values of the independent variable. Discrete-Time Signals: The independent variable is discrete. and thus these signals are defined only at discrete times.

  8. 1.1 Continuous-Time and Discrete-Time Signals

  9. 1.1 Continuous-Time and Discrete-Time Signals A discrete-time signal x[n] may represent a phenomenon for which the independent variable is inherently discrete. On the other hand, a very important class of discrete-time signals arises from the sampling of continuous-time signals.

  10. Finite-Energy Signals and Finite-Power Signals Definition of the terms “Energy” and “Power”

  11. Examining energy and power in signals over an infinite interval.

  12. Finite-Energy Signals and Finite-Power Signals

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