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Windowing Functions for Better Spectral Analysis posted on August 1, 2023
Half Band Filter Design: Exceptional Filtering Efficiency! posted on September 27, 2021
Fourier Transform Pairs of Conjugation and Time Reversal posted on November 17, 2021
Polyphase Half Band Filter for Decimation by 2 posted on September 29, 2021
Single Pole IIR Filter Frequency Response posted on July 6, 2022
Bandwidth of a Moving Average Filter posted on August 3, 2022
Derivative Filter Impulse Response Derivation posted on November 24, 2021
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![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)
The third edition of DSP for Beginners: Simple Explanations for Complex Numbers! Includes a new chapter on sampling.