
Barker Code Auto-Correlation Properties posted on March 1, 2024
Building a PSK and QAM Modulator in Python posted on June 8, 2022
Single Pole IIR Filter Frequency Response posted on July 6, 2022
Installing GNU Radio and B200 mini SDR posted on November 1, 2023
How to Create Additive White Gaussian Noise (AWGN) posted on June 1, 2022
Efficient Real to Complex Conversion with a Half Band Filter posted on December 15, 2021
Deriving the Ideal Low Pass Filter (LPF) posted on October 1, 2022
Designing FIR Filter Gain posted on February 23, 2022
Using Euler’s Formula to Derive Sine and Cosine posted on November 24, 2021
Cross Correlation Explained With Real Signals posted on December 1, 2021








![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.