Lecture 20
an impulse :
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✗per) = f- ✗ C r )
– ✗()*r-ro)✗()
tradls) É÷
→±, >Bla→f-> SIP. freq.
2 1 ¥, -of
B. W . (Hz)
reconstruction
Condition B -1<7 is Nyquist criterion
=÷Hdcw)£Xa(w+_Yn_)
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