
Bandwidth of a Moving Average Filter posted on August 3, 2022
Introduction to Interpolation and Upsampling posted on September 1, 2022
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 FIR Filter Gain posted on February 23, 2022
Designing an FIR Band Pass Filter with Remez posted on September 24, 2021
Barker Code Auto-Correlation Properties posted on March 1, 2024
Half Band Filter Design: Exceptional Filtering Efficiency! posted on September 27, 2021
Fourier Transform of the Boxcar Window posted on July 13, 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.