
What is Power Spectral Density (PSD)? posted on February 1, 2024
The Almanack of Naval Ravikant: Buy The Book Now! posted on January 12, 2022
Celebrating Two Years! posted on October 15, 2023
500 Page Views!!! posted on November 9, 2021
GNU Radio Tutorials: Half-Way Review posted on January 13, 2022
Celebrating 50,000 Page Views! posted on May 13, 2023
Half Band Filter Design: Exceptional Filtering Efficiency! posted on September 27, 2021
Cross Correlation Explained With Real Signals posted on December 1, 2021
Single Pole IIR Filter: Substitute for Moving Average Filter posted on August 10, 2022
Polyphase Half Band Filter for Decimation by 2 posted on September 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)
Now for sale: The third edition of DSP for Beginners: Simple Explanations for Complex Numbers! Includes a new chapter on sampling.
This website participates in the Amazon Associates program. As an Amazon Associate I earn from qualifying purchases.
© 2021-2025 Wave Walker DSP