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Core - Electrical Engineering

    Chapter 13

    Introduction to Signals and Systems

    13.1 : Signal and System01:26

    13.1 : Signal and System

    Signals are sets of data or information. One-dimensional signals include single-variable functions, such as the variations in air pressure over time in ...

    625 views
    13.2 : Classification of Signals01:30

    13.2 : Classification of Signals

    Signals are categorized as Continuous-time or discrete-time, Periodic or aperiodic, Analog or digital, and Causal or noncausal. A continuous-time signal ...

    401 views
    13.3 : Energy and Power Signals01:17

    13.3 : Energy and Power Signals

    Consider an electric system with a resistor. Here, the voltage and current signals enable power and energy measurement across the resistor. For a ...

    257 views
    13.4 : Even and Odd Signals01:17

    13.4 : Even and Odd Signals

    An even signal, either in continuous-time or discrete-time, is defined as a signal that matches its own time-reversed version. Even signals are ...

    740 views
    13.5 : Basic Continuous Time Signals01:22

    13.5 : Basic Continuous Time Signals

    Basic continuous-time signals include the unit step function, unit impulse function, and unit ramp function. These are collectively referred to as ...

    188 views
    13.6 : Rectangular and Triangular Pulse Function01:19

    13.6 : Rectangular and Triangular Pulse Function

    The unit rectangular pulse function is mathematically represented by a rectangular function centered at the origin with a height of one unit. This ...

    569 views
    13.7 : Exponential and Sinusoidal Signals01:18

    13.7 : Exponential and Sinusoidal Signals

    The exponential function serves as an essential tool for characterizing waveforms that rise and decay rapidly. This function is defined using the ...

    229 views
    13.8 : Basic Discrete Time Signals01:16

    13.8 : Basic Discrete Time Signals

    The unit step sequence is expressed as 1 for zero and positive values of integer 'n'. This can be graphically displayed using a set of eight ...

    194 views
    13.9 : Basic Operations on Signals01:22

    13.9 : Basic Operations on Signals

    Basic signal operations are time reversal, scaling, shifting, and amplitude transformations. Time reversal mirrors a continuous-time signal about the ...

    355 views
    13.10 : Classification of Systems-I01:26

    13.10 : Classification of Systems-I

    Linearity is a system property with a direct input-output relationship, combining homogeneity and additivity. Homogeneity dictates that if an input is ...

    169 views
    13.11 : Classification of Systems-II01:31

    13.11 : Classification of Systems-II

    Continuous-time systems have continuous input and output signals, with time measured continuously, and are generally defined by differential or algebraic ...

    134 views
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