Discrete Time Convolution

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Signal & System: Discrete Time Convolution
Topics discussed:
1. Discrete-time convolution.
2. Example of discrete-time convolution.

Music:
Axol x Alex Skrindo - You [NCS Release]

#SignalAndSystemByNeso #Signal&System #DiscreteTimeSignal #DiscreteTimeConvolution #Convolution

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When there is a shift by n-k then you should remember that the shift can either go to negative or positive values, when n is negative it will shift in left direction, and if it is positive then it will shift to the right. This is a very important point to remember.

HarshvardhanAditya

Been watching you for years now...helped me with digital logic and SIGNALS.

aashalash

You have done FT of basic signals but
How to draw fourier transform mag and phase plot
please make videos on this topic

dhariwalrishav

It was the neatest explanation on the subject I could find! Thanks for the video

maryammoghtaderi

Teacher I don't know how can I think u ...I really love u ..especially when u used the table Sol

hamzaabdualqawi

Last point was bit confusing but thanks a lot. I got an idea of this now!

chamithdilshan

the last bit was very confusing but thanks <3

isurigoonewardena

This was the best video I have seen about a subject since I got into college.

cyberfrog

around 9:43 where you said that "for other values of k > 2 u[n-k] is still 0" that will be one isnt it?
you're talking about n>= 2 right?

oudarjyasensarma

That last bit, he multiplies by u[n] because it has to remain positive for everything. Pretty much is the n>= 0 it is multiplied by "1" or u[n].

jeffdaidiot

we need 3x speed for quick revision 🤓🤗👌🙌

curiousbud

As far as i know, convolution expect the signal to move from left to right, that is u[-k-n], not from right to left, that is u[-k+n]

grjesus

By precedence rule, shouldn't we do shifting first followed by reversal ?

anmolgupta

Please do another video explaining that ending multiplication. It is confusing

yoloswag

how u(n-k) is plotted without considering n is +ve or -ve

santhoskumar

thanks for your detailed explanation which opened up my mind on DT convolution sum😃

kaedeumi

Sir, I have the plot of u[-k] like you but when I plot u[n-k] I take 2 cases. First one n>0, so the plot of u[-k] is shifted left and second one n<0, so the plot of u[-k] is shifted right. But if I consider that, I have as a result y[n] = 0 for n>0 and y[n] = n+1 for n<=1.
Where is my mistake?

vasileioscheimonidis

Can we do this convolution example with tabular method ?.

aleemazamkhan

how you shift n = +2, n= +3 to the right?
Are not the supposed to be going left

kevinjad

but u[n-k] is 0 at 0 not 1 at 0. we shifted u[-k] by positive n and therefore it is no longer 1 at 0 but 0 at 0.

EbisanEkperigin

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