
Single Pole IIR Filter: Substitute for Moving Average Filter posted on August 10, 2022
Install and Run LaTeX on macOS posted on January 5, 2022
Introduction to Interpolation and Upsampling posted on September 1, 2022
Calculate Signal to Noise Ratio (SNR) in Python Simulation posted on July 1, 2024
How to Create Additive White Gaussian Noise (AWGN) posted on June 1, 2022
ADC Saturation: Why More Gain Isn’t Always Better posted on May 18, 2022
Discrete Fourier Transform (DFT) of Complex Sinusoid posted on May 1, 2023
Complex Frequency Shifting in Discrete Time posted on January 1, 2023
Barker Code Auto-Correlation Properties posted on March 1, 2024
Windowing Function Gain Normalization posted on January 1, 2025








![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.