
Designing FIR Filter Gain posted on February 23, 2022
Building a PSK and QAM Modulator in Python posted on June 8, 2022
Installing GNU Radio and B200 mini SDR posted on November 1, 2023
Single Pole IIR Filter: Substitute for Moving Average Filter posted on August 10, 2022
Bandwidth of a Moving Average Filter posted on August 3, 2022
Half Band Filter Design: Exceptional Filtering Efficiency! posted on September 27, 2021
Introduction to Interpolation and Upsampling posted on September 1, 2022
Power and Energy in Discrete-Time Signals posted on December 1, 2023
Windowing Function Gain Normalization posted on January 1, 2025
Install and Run LaTeX on macOS posted on January 5, 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.