
Barker Code Auto-Correlation Properties posted on March 1, 2024
Building a PSK and QAM Modulator in Python posted on June 8, 2022
Windowing Function Gain Normalization posted on January 1, 2025
Single Pole IIR Filter Frequency Response posted on July 6, 2022
Deriving the Ideal Low Pass Filter (LPF) posted on October 1, 2022
Designing FIR Filter Gain posted on February 23, 2022
The Almanack of Naval Ravikant: Buy The Book Now! posted on January 12, 2022
Square Root Raised Cosine Filter in Python posted on November 10, 2021
Using Euler’s Formula to Derive Sine and Cosine posted on November 24, 2021
Efficient Real to Complex Conversion with a Half Band Filter posted on December 15, 2021








![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.