Wave Walker DSP

DSP Algorithms for RF Systems

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Using Euler’s Formula to Derive Sine and Cosine posted on November 24, 2021
Half Band Filter Design: Exceptional Filtering Efficiency! posted on September 27, 2021
Building a PSK and QAM Modulator in Python posted on June 8, 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

New Posts Every Wednesday

October 30, 2021

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