
Product to Sum Trigonometric Identities with Euler’s Formula posted on June 15, 2022
Install and Run LaTeX on macOS posted on January 5, 2022
ADC Saturation: Why More Gain Isn’t Always Better posted on May 18, 2022
Windowing Function Gain Normalization posted on January 1, 2025
Half Band Filter Design: Exceptional Filtering Efficiency! posted on September 27, 2021
Explaining Logarithms, Exponents and Base Numbers With Plots posted on July 27, 2022
Bartlett Method Power Spectral Density (PSD) Signal Estimates posted on April 1, 2024
Square Root Raised Cosine Filter in Python posted on November 10, 2021
Half Band Filter Design Function in Python posted on December 8, 2021
Richard Hamming, Acorns and the Engineering Mindset posted on August 31, 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.