Wave Walker DSP

DSP Algorithms for RF Systems

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What is Power Spectral Density (PSD)? posted on February 1, 2024
DFT Frequency Resolution Explained posted on March 16, 2022
Introduction to Interpolation and Upsampling posted on September 1, 2022

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

Matt Ettus on Fading Models

June 22, 2022

Matt Ettus from GRCon21

Matt Ettus (of Ettus Research) gives a great simulation of fading as part of his larger MIMO talk at GRCon21, check out the video below! The video is queued to the proper time.

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