
Introduction to Interpolation and Upsampling posted on September 1, 2022
Designing FIR Filter Gain posted on February 23, 2022
Installing GNU Radio and B200 mini SDR posted on November 1, 2023
Half Band Filter Design: Exceptional Filtering Efficiency! posted on September 27, 2021
Using Euler’s Formula to Derive Sine and Cosine posted on November 24, 2021
Polyphase Half Band Filter for Decimation by 2 posted on September 29, 2021
Your Life As a Beautiful Mosaic posted on October 1, 2021
What is Power Spectral Density (PSD)? posted on February 1, 2024
Trigonometric Identity: sin(x)^2 + cos(x)^2 = 1 posted on March 9, 2022
Half Band Filter Design Function in Python posted on December 8, 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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