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12 Questions

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$\lim \limits_{a \to 0} \frac{1}{a}[u(\frac{t}{a}+\frac{1}{2})-u(\frac{t}{a}-\frac{1}{2})]= \delta(t) $

signal-analysis

Oct 17 '17 at 11:41 Jazzmaniac 4,049

vote

answer

views

How to find the phase spectrum of a rectangular pulse? (Fourier Transform)

fourier-transform homework

Feb 19 at 16:50 bingung 103

vote

answers

views

What Is the Derivative of the Function $ s \left( t \right) = \left( 1 - {e}^{\frac{-t}{RC}} \right) u \left( t \right) $?

linear-systems impulse-response

Dec 5 at 3:28 Royi 8,510

vote

answers

views

Finding Z transform of a signal: Intermediate steps

z-transform

Apr 11 '18 at 16:27 Soumee 170

vote

answers

views

Mathematics in selection of RC time constant for an envelope detector for AM

modulation demodulation

Jul 20 '17 at 21:21 MBaz 9,340

vote

answers

349

views

Fourier transform of $\sum_{n=-\infty }^\infty e^{-|t-2n|}$

fourier-transform homework

Feb 16 '17 at 9:55 Matt L. 53.4k

votes

answers

202

views

Time-invariant and Time-varying Systems

signal-analysis linear-systems

Jun 4 at 23:06 Laurent Duval 18.1k

votes

answer

345

views

Square law demodulator. How can we eliminate the term containing $m^2(t)$?

modulation demodulation

Apr 8 '18 at 21:03 Andy Walls 1,524

votes

answers

views

Mathematical proof and intuitive reasoning for: $\lim \limits_{\epsilon \to 0} \frac{1}{\pi t}\sin\frac{\pi t}{\epsilon}=\delta(t)$

signal-analysis

Oct 18 '17 at 15:40 MBaz 9,340

votes

answer

views

Which book of Proakis has dealt with continuous time signals and systems?

reference-request

Mar 9 '17 at 8:42 Marcus Müller 13k

votes

answers

views

How will the signal $\sum_{n=-\infty}^\infty \Delta (t-n)u_{-1}(t-n)$ look like?

signal-analysis continuous-signals

Feb 22 '17 at 12:24 Gilles 2,266

votes

answers

123

views

Range of function $ \frac{1}{n\pi}(1-\cos(n\pi))\sin(\frac{n\pi}{2})$ and determination of Fourier coefficients

fourier-series

Feb 19 '17 at 17:20 Laurent Duval 18.1k

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12 Questions

$\lim \limits_{a \to 0} \frac{1}{a}[u(\frac{t}{a}+\frac{1}{2})-u(\frac{t}{a}-\frac{1}{2})]= \delta(t) $

How to find the phase spectrum of a rectangular pulse? (Fourier Transform)

What Is the Derivative of the Function $ s \left( t \right) = \left( 1 - {e}^{\frac{-t}{RC}} \right) u \left( t \right) $?

Finding Z transform of a signal: Intermediate steps

Mathematics in selection of RC time constant for an envelope detector for AM

Fourier transform of $\sum_{n=-\infty }^\infty e^{-|t-2n|}$

Time-invariant and Time-varying Systems

Square law demodulator. How can we eliminate the term containing $m^2(t)$?

Mathematical proof and intuitive reasoning for: $\lim \limits_{\epsilon \to 0} \frac{1}{\pi t}\sin\frac{\pi t}{\epsilon}=\delta(t)$

Which book of Proakis has dealt with continuous time signals and systems?

How will the signal $\sum_{n=-\infty}^\infty \Delta (t-n)u_{-1}(t-n)$ look like?

Range of function $ \frac{1}{n\pi}(1-\cos(n\pi))\sin(\frac{n\pi}{2})$ and determination of Fourier coefficients