
Cross Correlation Explained With Real Signals posted on December 1, 2021
ADC Saturation: Why More Gain Isn’t Always Better posted on May 18, 2022
Introduction to Interpolation and Upsampling posted on September 1, 2022
Polyphase Half Band Filter for Decimation by 2 posted on September 29, 2021
Calculate Signal to Noise Ratio (SNR) in Python Simulation posted on July 1, 2024
Deriving the Ideal Low Pass Filter (LPF) posted on October 1, 2022
What is Power Spectral Density (PSD)? posted on February 1, 2024
Fourier Transform Pairs of Conjugation and Time Reversal posted on November 17, 2021
Single Pole IIR Filter: Substitute for Moving Average Filter posted on August 10, 2022
Great DSP Videos from Professor Kathleen Wage on YouTube posted on May 25, 2022








![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.