
The Unit Circle: The Field of Play for the Game of DSP posted on October 23, 2021
Polyphase Half Band Filter for Decimation by 2 posted on September 29, 2021
Folding a Polyphase Half Band Filter: Lemon Squeezer Style posted on October 6, 2021
Bandwidth of a Moving Average Filter posted on August 3, 2022
Windowing Function Gain Normalization posted on January 1, 2025
New GNU Radio Beginner Tutorials! posted on February 2, 2022
Half Band Filter Design: Exceptional Filtering Efficiency! posted on September 27, 2021
Building a PSK and QAM Modulator in Python posted on June 8, 2022
The DSP Family Tree: Grow Your Career posted on November 17, 2021
Installing GNU Radio and B200 mini SDR posted on November 1, 2023








![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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