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Showing posts with label DT signals and system. Show all posts
Showing posts with label DT signals and system. Show all posts

Computation of linear convolution

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The different method used for the computation of linear convolution is as follows : Graphical method Using the mathematical equation of...

Properties of even and odd signals

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The sum of two even signals is even signal The sum of two odd signals are odd The sum of an even signal and an odd signal is neither ev...

What is LTI system

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LTI is also called an LSI system. LTI stands for the linear time-invariant system also stands for a linear shift-invariant system. LTI is ...

Linear convolutions in DSP

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Consider relaxed LTI system . A relaxed system means if input x (n) is zero then output y (n) = 0 is zero. Let us say unit impulse 𝛿 (n) ...

Power of energy signal

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Let x (t) be an energy signal. x(t) has a finite non zero energy. Let us calculate the power of x(t). By definition, stated equation the po...

Symmetrical and Anti symmetrical signal

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Symmetrical signal or even signal : A signal x (t) is said to be symmetrical or even if it satisfies the following condition. Conditi...

Energy of power signal

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Let x(t) be a power signal. The normalized energy of this signal is given by : Energy E =                                  ...

Basic signals

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In signals and system, we need to use some standard or elementary signals. In this section, we will show some important standard signal gr...

What is signal

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A signal is basically an electrical or electromagnetic current that is used for carrying data from one device or network to another. It is...