
Calculate Signal to Noise Ratio (SNR) in Python Simulation posted on July 1, 2024
Introduction to Interpolation and Upsampling posted on September 1, 2022
Single Pole IIR Filter: Substitute for Moving Average Filter posted on August 10, 2022
Windowing Functions for Better Spectral Analysis posted on August 1, 2023
Polyphase Half Band Filter for Decimation by 2 posted on September 29, 2021
Oppenheim DSP Lectures YouTube Video Playlist posted on March 23, 2022
How to Count in Binary Numbers posted on August 1, 2024
Using Euler’s Formula to Derive Sine and Cosine posted on November 24, 2021
Complex Frequency Shifting in Continuous Time posted on December 1, 2022
Minimizing Filter Length: Explaining Why posted on February 9, 2022








![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.