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Communication of SignalsQuestion and Answers: Page 1

Question Number 216792 Answers: 0 Comments: 0

Question Number 202771 Answers: 1 Comments: 0

determine whether this signal is periodic or not if it′s periodic specify it′s faundemwntal period y(n)=cos((n/8))cos(((nπ)/8))

$d e t e r m i n e w h e t h e r t h i s s i g n a l i s p e r i o d i c$ $o r n o t i f {i t}^{'} s p e r i o d i c s p e c i f y {i t}^{'} s$ $f a u n d e m w n t a l p e r i o d$ $y (n) = c o s (\frac{n}{8}) c o s (\frac{n π}{8})$

Question Number 170917 Answers: 0 Comments: 0

consider g(t)=6sinc(6t) plot the spectrum DSB-LC signal S_(AM) (t)=g(t)cos(200πt)

$c o n s i d e r g (t) = 6 s i n c (6 t)$ $p l o t t h e s p e c t r u m D S B - L C s i g n a l$ $S_{A M} (t) = g (t) c o s (200 π t)$

Question Number 169751 Answers: 0 Comments: 0

find the forier transform of g(t)=cos^2 (2π f_c t)

$f i n d t h e f o r i e r t r a n s f o r m o f$ $g (t) = \cos^{2} (2 π f_{c} t)$

Question Number 163985 Answers: 0 Comments: 0

Question Number 163978 Answers: 0 Comments: 5

Question Number 159868 Answers: 1 Comments: 0

prove that ∫_(−∞) ^(+∞) δ(t)dt=1 δ(t) is dirac delta function (impluse function)

$p r o v e t h a t$ $\int_{- \infty}^{+ \infty} δ (t) d t = 1$ $δ (t) i s d i r a c d e l t a f u n c t i o n (i m p l u s e f u n c t i o n)$

Question Number 158182 Answers: 1 Comments: 1

Question Number 107350 Answers: 1 Comments: 0

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