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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
How to Create Additive White Gaussian Noise (AWGN) posted on June 1, 2022
Square Root Raised Cosine Filter in Python posted on November 10, 2021
Single Pole IIR Filter Frequency Response posted on July 6, 2022
Your Life As a Beautiful Mosaic posted on October 1, 2021
Why are Sinusoids used in DSP and RF? posted on September 18, 2021
FIR Low Pass Filter Design with Remez posted on September 22, 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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