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Single Pole IIR Filter: Substitute for Moving Average Filter posted on August 10, 2022
Complex Frequency Shifting in Discrete Time posted on January 1, 2023
Windowing Functions for Better Spectral Analysis posted on August 1, 2023
Polyphase Half Band Filter for Decimation by 2 posted on September 29, 2021
Engineering Mindset: Be a Stone Carver, not a Brick Mason posted on September 18, 2021
Why are Filters used in DSP? posted on January 26, 2022
Introduction to Interpolation and Upsampling posted on September 1, 2022
ADC Saturation: Why More Gain Isn’t Always Better posted on May 18, 2022
Calculate Signal to Noise Ratio (SNR) in Python Simulation posted on July 1, 2024








![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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