
Installing GNU Radio and B200 mini SDR posted on November 1, 2023
Half Band Filter Design: Exceptional Filtering Efficiency! posted on September 27, 2021
Introduction to Interpolation and Upsampling posted on September 1, 2022
Single Pole IIR Filter Frequency Response posted on July 6, 2022
Polyphase Half Band Filter for Decimation by 2 posted on September 29, 2021
Complex Frequency Shifting in Continuous Time posted on December 1, 2022
Designing FIR Filter Gain posted on February 23, 2022
What DSP Classes Should I Take? posted on November 1, 2024
Cross Correlation Explained With Real Signals posted on December 1, 2021
Windowing Functions for Better Spectral Analysis posted on August 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.