
Cross Correlation Explained With Real Signals posted on December 1, 2021
Half Band Filter Design: Exceptional Filtering Efficiency! posted on September 27, 2021
ADC Saturation: Why More Gain Isn’t Always Better posted on May 18, 2022
New GNU Radio Beginner Tutorials! posted on February 2, 2022
Square Root Raised Cosine Filter in Python posted on November 10, 2021
Introduction to Interpolation and Upsampling posted on September 1, 2022
Using Euler’s Formula to Derive Sine and Cosine posted on November 24, 2021
Starting Small: Tips for Self Motivation for New Beginnings posted on April 13, 2022
Fourier Transform Pairs of Conjugation and Time Reversal posted on November 17, 2021
To Give Better Briefings, Use More Images posted on May 11, 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.