
Barker Code Auto-Correlation Properties posted on March 1, 2024
Cross Correlation Explained With Real Signals posted on December 1, 2021
Using Euler’s Formula to Derive Sine and Cosine posted on November 24, 2021
FIR Low Pass Filter Design with Remez posted on September 22, 2021
Installing GNU Radio and B200 mini SDR posted on November 1, 2023
Cyclostationary and Stationary Processes with Examples posted on April 20, 2022
How to Count in Binary Numbers posted on August 1, 2024
Introduction to Interpolation and Upsampling posted on September 1, 2022
Trigonometric Identity: sin(x)^2 + cos(x)^2 = 1 posted on March 9, 2022
Single Pole IIR Filter: Substitute for Moving Average Filter posted on August 10, 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.