Wave Walker DSP

DSP Algorithms for RF Systems

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Windowing Functions for Better Spectral Analysis posted on August 1, 2023
Half Band Filter Design: Exceptional Filtering Efficiency! posted on September 27, 2021
Fourier Transform Pairs of Conjugation and Time Reversal posted on November 17, 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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