
Introduction to Interpolation and Upsampling posted on September 1, 2022
Cross Correlation Explained With Real Signals posted on December 1, 2021
Half Band Filter Design: Exceptional Filtering Efficiency! posted on September 27, 2021
FIR Low Pass Filter Design with Remez posted on September 22, 2021
Oppenheim DSP Lectures YouTube Video Playlist posted on March 23, 2022
Calculate Signal to Noise Ratio (SNR) in Python Simulation posted on July 1, 2024
Square Root Raised Cosine Filter in Python posted on November 10, 2021
Half Band Filter Design Function in Python posted on December 8, 2021
Using Euler’s Formula to Derive Sine and Cosine posted on November 24, 2021
Building a PSK and QAM Modulator in Python posted on June 8, 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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