
Building a PSK and QAM Modulator in Python posted on June 8, 2022
The Unit Circle: The Field of Play for the Game of DSP posted on October 23, 2021
Using Euler’s Formula to Derive Sine and Cosine posted on November 24, 2021
Introduction to Interpolation and Upsampling posted on September 1, 2022
Why an FIR Filter Should Have an Odd Length posted on December 29, 2021
How to Create Additive White Gaussian Noise (AWGN) posted on June 1, 2022
Bartlett Method Power Spectral Density (PSD) Signal Estimates posted on April 1, 2024
DFT Frequency Resolution Explained posted on March 16, 2022
Installing GNU Radio and B200 mini SDR posted on November 1, 2023
Square Root Raised Cosine Filter in Python posted on November 10, 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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