
Bandwidth of a Moving Average Filter posted on August 3, 2022
Single Pole IIR Filter: Substitute for Moving Average Filter posted on August 10, 2022
Installing GNU Radio and B200 mini SDR posted on November 1, 2023
Cross Correlation: Explaining Time Lags posted on January 12, 2022
Complex Frequency Shifting in Continuous Time posted on December 1, 2022
FIR Low Pass Filter Design with Remez posted on September 22, 2021
DFT Frequency Resolution Explained posted on March 16, 2022
Windowing Function Gain Normalization posted on January 1, 2025
Calculate Signal to Noise Ratio (SNR) in Python Simulation posted on July 1, 2024
Deriving the Ideal Low Pass Filter (LPF) posted on October 1, 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.