
Why an FIR Filter Should Have an Odd Length posted on December 29, 2021
Half Band Filter Design: Exceptional Filtering Efficiency! posted on September 27, 2021
Polyphase Half Band Filter for Decimation by 2 posted on September 29, 2021
Half Band Filter Design Function in Python posted on December 8, 2021
How To Install GNU Radio Source Code posted on October 1, 2024
Power and Energy in Discrete-Time Signals posted on December 1, 2023
Windowing Function Gain Normalization posted on January 1, 2025
The Unit Circle: The Field of Play for the Game of DSP posted on October 23, 2021
Introduction to Interpolation and Upsampling posted on September 1, 2022
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)
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