
Half Band Filter Design: Exceptional Filtering Efficiency! posted on September 27, 2021
Oppenheim DSP Lectures YouTube Video Playlist posted on March 23, 2022
Installing GNU Radio and B200 mini SDR posted on November 1, 2023
Cross Correlation Explained With Real Signals posted on December 1, 2021
Deriving the Ideal Low Pass Filter (LPF) posted on October 1, 2022
FIR Low Pass Filter Design with Remez posted on September 22, 2021
Single Pole IIR Filter Frequency Response posted on July 6, 2022
Stop Using Too Many Commas to be a Better Writer posted on March 30, 2022
Designing an FIR Band Pass Filter with Remez posted on September 24, 2021
Introduction to Interpolation and Upsampling posted on September 1, 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.