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Half Band Filter Design: Exceptional Filtering Efficiency! posted on September 27, 2021
Polyphase Half Band Filter for Decimation by 2 posted on September 29, 2021
Building a PSK and QAM Modulator in Python posted on June 8, 2022
FIR Low Pass Filter Design with Remez posted on September 22, 2021
Cross Correlation Explained With Real Signals posted on December 1, 2021
Single Pole IIR Filter: Substitute for Moving Average Filter posted on August 10, 2022
Folding a Polyphase Half Band Filter: Lemon Squeezer Style posted on October 6, 2021
The Design of Everyday Things: Book Review posted on November 1, 2022
DFT Frequency Resolution Explained posted on March 16, 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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