
DFT Frequency Resolution Explained posted on March 16, 2022
Bandwidth of a Moving Average Filter posted on August 3, 2022
FIR Low Pass Filter Design with Remez posted on September 22, 2021
Half Band Filter Design: Exceptional Filtering Efficiency! posted on September 27, 2021
Why an FIR Filter Should Have an Odd Length posted on December 29, 2021
Designing an FIR Band Pass Filter with Remez posted on September 24, 2021
Folding a Polyphase Half Band Filter: Lemon Squeezer Style posted on October 6, 2021
Half Band Filter Design Function in Python posted on December 8, 2021
Windowing Functions for Better Spectral Analysis posted on August 1, 2023
Cross Correlation Explained With Real Signals posted on December 1, 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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