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Half Band Filter Design Function in Python posted on December 8, 2021
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
ADC Saturation: Why More Gain Isn’t Always Better posted on May 18, 2022
Using Euler’s Formula to Derive Sine and Cosine posted on November 24, 2021
Introduction to Interpolation and Upsampling posted on September 1, 2022
Building a PSK and QAM Modulator in Python posted on June 8, 2022
Time Invariant and Time Varying Filters posted on September 3, 2021
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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