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What is Power Spectral Density (PSD)? posted on February 1, 2024
Building a PSK and QAM Modulator in Python posted on June 8, 2022
Time Invariant and Time Varying Filters posted on September 3, 2021
Designing an FIR High Pass Filter with Remez posted on September 23, 2021
Comb Filter Introduction and Analysis posted on March 1, 2023
Half Band Filter Design: Exceptional Filtering Efficiency! posted on September 27, 2021
Your Life As a Beautiful Mosaic posted on October 1, 2021
Richard Hamming, Acorns and the Engineering Mindset posted on August 31, 2021
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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