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Half Band Filter Design: Exceptional Filtering Efficiency! posted on September 27, 2021
Deriving the Ideal Low Pass Filter (LPF) posted on October 1, 2022
Cross Correlation Explained With Real Signals posted on December 1, 2021
How Euler’s Formula Relates Triangles, the Unit Circle and Complex Sinusoids posted on September 16, 2021
Single Pole IIR Filter Frequency Response posted on July 6, 2022
Why are Sinusoids used in DSP and RF? posted on September 18, 2021
Your Life As a Beautiful Mosaic posted on October 1, 2021
Designing an FIR High Pass Filter with Remez posted on September 23, 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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