
Introduction to Interpolation and Upsampling posted on September 1, 2022
Power and Energy in Discrete-Time Signals posted on December 1, 2023
Calculate Signal to Noise Ratio (SNR) in Python Simulation posted on July 1, 2024
Half Band Filter Design: Exceptional Filtering Efficiency! posted on September 27, 2021
Efficient Real to Complex Conversion with a Half Band Filter posted on December 15, 2021
Why an FIR Filter Should Have an Odd Length posted on December 29, 2021
Square Root Raised Cosine Filter in Python posted on November 10, 2021
Install and Run LaTeX on macOS posted on January 5, 2022
Cross Correlation: Explaining Time Lags posted on January 12, 2022
Phase, Frequency and Negative Frequency in Complex Sinusoids posted on October 19, 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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