
Barker Code Auto-Correlation Properties posted on March 1, 2024
Using Euler’s Formula to Derive Sine and Cosine posted on November 24, 2021
Introduction to Interpolation and Upsampling posted on September 1, 2022
Oppenheim DSP Lectures YouTube Video Playlist posted on March 23, 2022
What is Power Spectral Density (PSD)? posted on February 1, 2024
Writing an eBook for Amazon Kindle with LaTeX on Linux posted on April 27, 2022
Square Root Raised Cosine Filter in Python posted on November 10, 2021
Install and Run LaTeX on macOS posted on January 5, 2022
Polyphase Half Band Filter for Decimation by 2 posted on September 29, 2021
Calculate Signal to Noise Ratio (SNR) in Python Simulation posted on July 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.