
Comb Filter Introduction and Analysis posted on March 1, 2023
Bandwidth of a Moving Average Filter posted on August 3, 2022
Cross Correlation Explained With Real Signals posted on December 1, 2021
Windowing Function Gain Normalization posted on January 1, 2025
Introduction to Interpolation and Upsampling posted on September 1, 2022
Calculate Signal to Noise Ratio (SNR) in Python Simulation posted on July 1, 2024
The Almanack of Naval Ravikant: Buy The Book Now! posted on January 12, 2022
Most Useful Git Commands for Everyday Coding posted on June 29, 2022
Polyphase Half Band Filter for Decimation by 2 posted on September 29, 2021
Why an FIR Filter Should Have an Odd Length posted on December 29, 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.