
Fourier Transform Pairs of Conjugation and Time Reversal posted on November 17, 2021
Half Band Filter Design: Exceptional Filtering Efficiency! posted on September 27, 2021
Polyphase Half Band Filter for Decimation by 2 posted on September 29, 2021
Barker Code Auto-Correlation Properties posted on March 1, 2024
Installing GNU Radio and B200 mini SDR posted on November 1, 2023
Band Pass Single Pole IIR Filter Design posted on February 1, 2023
Bartlett Method Power Spectral Density (PSD) Signal Estimates posted on April 1, 2024
Introduction to Interpolation and Upsampling posted on September 1, 2022
Deriving the Ideal Low Pass Filter (LPF) posted on October 1, 2022
Calculate Signal to Noise Ratio (SNR) in Python Simulation posted on July 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.