
Using Euler’s Formula to Derive Sine and Cosine posted on November 24, 2021
FIR Low Pass Filter Design with Remez posted on September 22, 2021
Efficient Real to Complex Conversion with a Half Band Filter posted on December 15, 2021
What is Power Spectral Density (PSD)? posted on February 1, 2024
Writing an eBook for Amazon Kindle with LaTeX on Linux posted on April 27, 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
WP QuickLaTeX for Running LaTeX on WordPress posted on August 31, 2021
Great DSP Videos from Professor Kathleen Wage on YouTube posted on May 25, 2022
Power and Energy in Discrete-Time Signals posted on December 1, 2023








![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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