
Building a PSK and QAM Modulator in Python posted on June 8, 2022
Polyphase Half Band Filter for Decimation by 2 posted on September 29, 2021
Investing Time Into Younger Engineers posted on October 1, 2023
Bandwidth of a Moving Average Filter posted on August 3, 2022
Windowing Functions for Better Spectral Analysis posted on August 1, 2023
Designing FIR Filter Gain posted on February 23, 2022
Barker Code Auto-Correlation Properties posted on March 1, 2024
Single Pole IIR Filter: Substitute for Moving Average Filter posted on August 10, 2022
Installing GNU Radio and B200 mini SDR posted on November 1, 2023
What is Power Spectral Density (PSD)? posted on February 1, 2024








![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.