Wave Walker DSP

DSP Algorithms for RF Systems

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Band Pass Single Pole IIR Filter Design posted on February 1, 2023
Introduction to Interpolation and Upsampling posted on September 1, 2022
Cross Correlation Explained With Real Signals posted on December 1, 2021

New Book!

The third edition of DSP for Beginners: Simple Explanations for Complex Numbers! Includes a new chapter on sampling.

DSP for Beginners cover

Euler's formula

Negative frequency in complex sinusoids

Complex sinusoids on the complex plane

Aliasing

Phase relationship between sine and cosine

Oppenheim DSP Lectures YouTube Video Playlist

March 23, 2022

I recently came across a playlist on YouTube of Alan Oppenheim’s DSP lectures from 1975. Here’s the link to the playlist. Enjoy!

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