
The Brand New Wave Walker DSP eBook! posted on March 21, 2022
Polyphase Half Band Filter for Decimation by 2 posted on September 29, 2021
fred harris on Channelizers Video posted on February 2, 2022
What DSP Classes Should I Take? posted on November 1, 2024
Introduction to Interpolation and Upsampling posted on September 1, 2022
Using Euler’s Formula to Derive Sine and Cosine posted on November 24, 2021
What is Power Spectral Density (PSD)? posted on February 1, 2024
Calculate Signal to Noise Ratio (SNR) in Python Simulation posted on July 1, 2024
Single Pole IIR Filter: Substitute for Moving Average Filter posted on August 10, 2022
Discrete Fourier Transform (DFT) of Complex Sinusoid posted on May 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.