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Complex Frequency Shifting in Discrete Time posted on January 1, 2023
Polyphase Half Band Filter for Decimation by 2 posted on September 29, 2021
Windowing Function Gain Normalization posted on January 1, 2025
Install and Run LaTeX on macOS posted on January 5, 2022
Introduction to Interpolation and Upsampling posted on September 1, 2022
Bartlett Method Power Spectral Density (PSD) Signal Estimates posted on April 1, 2024
Designing an FIR High Pass Filter with Remez posted on September 23, 2021
How to Create a LaTeX Paperback for Sale on Amazon posted on May 4, 2022
ADC Saturation: Why More Gain Isn’t Always Better posted on May 18, 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.