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Polyphase Half Band Filter for Decimation by 2 posted on September 29, 2021
Half Band Filter Design Function in Python posted on December 8, 2021
Introduction to Interpolation and Upsampling posted on September 1, 2022
ADC Saturation: Why More Gain Isn’t Always Better posted on May 18, 2022
Calculate Signal to Noise Ratio (SNR) in Python Simulation posted on July 1, 2024
What is Power Spectral Density (PSD)? posted on February 1, 2024
Using Euler’s Formula to Derive Sine and Cosine posted on November 24, 2021
Designing FIR Filter Gain posted on February 23, 2022
Building a PSK and QAM Modulator in Python posted on June 8, 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)
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