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Digital Communications

Digital Communications, fading channels, Signal processing

Nyquist, Shannon and the information carrying capacity of signals

Charan L. Jul 10, 2018

This tutorial covers the discussion of Nyquist capacity equation. This equation is often used to develop …

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DFT, Digital Communications, Engineering books, Fourier Transform Tutorial

Intuitive Guide to Fourier Analysis by Charan Langton and Victor Levin

Charan L. Jun 18, 2014

I am working on a book with the imaginative and creative title of “Intuitive Guide to …

Intuitive Guide to Fourier Analysis by Charan Langton and Victor Levin Read more →

Digital Communications, Signal processing, Silicon Valley, Transistors

The Little Fruit Market

Charan L. Jul 18, 2013

This blog post is by my friend Rick Lyons. The Little Fruit Market by Richard (Rick) …

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DFT, Digital Communications, Signal processing

Beat Notes: An Interesting Observation

Charan L. May 26, 2013

This post is by Richard Lyons, the author of the superb book “Understanding Digital Signal Processing” …

Beat Notes: An Interesting Observation Read more →

Digital Communications

Digital communications tutorial links

Charan L. Apr 18, 2013

I recently changed to this WordPress format for complextoreal.com. Although the functionality is great, the old …

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Digital Communications

Folding and Aliasing

Charan L. Feb 3, 2013

Here is an java applet which lets you see the effect of sampling frequency and reconstruction …

Folding and Aliasing Read more →

Digital Communications

Discrete-time Fourier Series and Fourier Transform

Charan L. Nov 14, 2012

I have posted part 3 of the FFT tutorial at complextoreal.com.It starts with the development of …

Discrete-time Fourier Series and Fourier Transform Read more →

DFT, Digital Communications, Fourier Transform Tutorial

Fourier Made easy part 2 – new version uploaded

Charan L. Oct 22, 2012

I have uploaded a new version of the Fourier Made Easy part 2 tutorial. In this …

Fourier Made easy part 2 – new version uploaded Read more →

DFT, Digital Communications, Fourier Transform Tutorial

Video that explains the complex exponential

Charan L. Sep 27, 2012

While writing the second part of the Fourier tutorial, I came across this video which does …

Video that explains the complex exponential Read more →

DFT, Digital Communications, Fourier Transform Tutorial

Fourier tutorial part 1 – updated

Charan L. Sep 25, 2012

I am going through my old material and am updating it. I have just uploaded FFT …

Fourier tutorial part 1 – updated Read more →

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