
Polyphase Half Band Filter for Decimation by 2 posted on September 29, 2021
FIR Low Pass Filter Design with Remez posted on September 22, 2021
Designing an FIR High Pass Filter with Remez posted on September 23, 2021
Basic Rules for Complex Numbers posted on September 17, 2021
Your Life As a Beautiful Mosaic posted on October 1, 2021
Comb Filter Introduction and Analysis posted on March 1, 2023
Square Root Raised Cosine Filter in Python posted on November 10, 2021
Barker Code Auto-Correlation Properties posted on March 1, 2024
Product to Sum Trigonometric Identities with Euler’s Formula posted on June 15, 2022
Calculate Average Signal Power posted on June 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.