
Installing GNU Radio and B200 mini SDR posted on November 1, 2023
Introduction to Interpolation and Upsampling posted on September 1, 2022
Windowing Function Gain Normalization posted on January 1, 2025
Install and Run LaTeX on macOS posted on January 5, 2022
Fourier Transform Pairs of Conjugation and Time Reversal posted on November 17, 2021
Bandwidth of a Moving Average Filter posted on August 3, 2022
Square Root Raised Cosine Filter in Python posted on November 10, 2021
Half Band Filter Design: Exceptional Filtering Efficiency! posted on September 27, 2021
Writing an eBook for Amazon Kindle with LaTeX on Linux posted on April 27, 2022
Building a PSK and QAM Modulator in Python posted on June 8, 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.