
Designing FIR Filter Gain posted on February 23, 2022
Rodney Dangerfield and DSP posted on December 15, 2021
Starting Small: Tips for Self Motivation for New Beginnings posted on April 13, 2022
Cross Correlation: Explaining Time Lags posted on January 12, 2022
Introduction to Interpolation and Upsampling posted on September 1, 2022
Using Euler’s Formula to Derive Sine and Cosine posted on November 24, 2021
Single Pole IIR Filter Frequency Response posted on July 6, 2022
How Euler’s Formula Relates Triangles, the Unit Circle and Complex Sinusoids posted on September 16, 2021
What is Power Spectral Density (PSD)? posted on February 1, 2024
Barker Code Auto-Correlation Properties posted on March 1, 2024








![A BPSK signal s[n], real Gaussian noise w[n], and the received signal x[n] = s[n] + w[n] for SNR = 20 dB](https://www.wavewalkerdsp.com/wp-content/uploads/2023/12/HowToComputeSignalToNoiseRatioSNRInSimulation_signalNoiseTimeDomain-300x240.png)
The third edition of DSP for Beginners: Simple Explanations for Complex Numbers! Includes a new chapter on sampling.