Plz clarify, our msg signal was band limited, however once we have sampled it we have seen the sampled signal was having infinite bandwidth, my question is our entire msg was confined with in 2 Ws, so why we should we bothered about other frequency components beyond Ws
this is wrong ws =2*wm is not allowed because say you have a sin wave at 40hz and you sample it at 20 hz you will get a flat line, and you wont be able to recover your signal i think it should be ws>2*wm
over sampling creates band gaps while undersampling creates overlapping. As far as i understood, oversampling is allowed but i guess it is ideal to keep fs as close to 2fm as possible while undersampling is strictly forbidden
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Plz clarify, our msg signal was band limited, however once we have sampled it we have seen the sampled signal was having infinite bandwidth, my question is our entire msg was confined with in 2 Ws, so why we should we bothered about other frequency components beyond Ws
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this is wrong
ws =2*wm is not allowed because say you have a sin wave at 40hz and you sample it at 20 hz you will get a flat line, and you wont be able to recover your signal i think it should be ws>2*wm
Yes... That is why for a purely sinusoidal signal , it should be more than twice.
@@TheArmaanuiet Yes, for any signal, the sampling rate should be more than twice the highest frequency component in the signal.
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Why we were seperating this as over sampling and under sampling ?
Explain it sir please
over sampling creates band gaps while undersampling creates overlapping. As far as i understood, oversampling is allowed but i guess it is ideal to keep fs as close to 2fm as possible while undersampling is strictly forbidden
What about [(Sin200πt)^2]/200πt
Please
Here u just check the Wm (Maximum frequency component).... When u find it.... U will easily find the required Nyquist rate and Nyquist interval.
Comment on Nyquist rate if the signal becomes bandpass.
Is this topic included for EE GATE?
What is folding back frequency?
2:06
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what math leve do you learn this?
Can someone help me out how sir has done "fm=wm/2π" ?? How 2π came
W = 2pi f ...it's formula
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3:30
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