
Introduction to Interpolation and Upsampling posted on September 1, 2022
Cross Correlation Explained With Real Signals posted on December 1, 2021
Using Euler’s Formula to Derive Sine and Cosine posted on November 24, 2021
Half Band Filter Design: Exceptional Filtering Efficiency! posted on September 27, 2021
Derivative Filter Impulse Response Derivation posted on November 24, 2021
New GNU Radio Beginner Tutorials! posted on February 2, 2022
Deriving the Ideal Low Pass Filter (LPF) posted on October 1, 2022
Building a PSK and QAM Modulator in Python posted on June 8, 2022
Single Pole IIR Filter: Substitute for Moving Average Filter posted on August 10, 2022
Great DSP Videos from Professor Kathleen Wage on YouTube posted on May 25, 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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