
Cross Correlation Explained With Real Signals posted on December 1, 2021
Calculate Signal to Noise Ratio (SNR) in Python Simulation posted on July 1, 2024
Half Band Filter Design: Exceptional Filtering Efficiency! posted on September 27, 2021
Calculate Average Signal Power posted on June 1, 2024
Using Euler’s Formula to Derive Sine and Cosine posted on November 24, 2021
Bandwidth of a Moving Average Filter posted on August 3, 2022
Install and Run LaTeX on macOS posted on January 5, 2022
Polyphase Half Band Filter for Decimation by 2 posted on September 29, 2021
Comb Filter Introduction and Analysis posted on March 1, 2023
Installing GNU Radio and B200 mini SDR posted on November 1, 2023








![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.