
Introduction to Interpolation and Upsampling posted on September 1, 2022
DFT Frequency Resolution Explained posted on March 16, 2022
Install and Run LaTeX on macOS posted on January 5, 2022
Using Euler’s Formula to Derive Sine and Cosine posted on November 24, 2021
Calculate Average Signal Power posted on June 1, 2024
FIR Low Pass Filter Design with Remez posted on September 22, 2021
Why an FIR Filter Should Have an Odd Length posted on December 29, 2021
Windowing Function Gain Normalization posted on January 1, 2025
Building a PSK and QAM Modulator in Python posted on June 8, 2022
Derivative Filter Impulse Response Derivation posted on November 24, 2021








![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)
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