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Half Band Filter Design: Exceptional Filtering Efficiency! posted on September 27, 2021
Using Euler’s Formula to Derive Sine and Cosine posted on November 24, 2021
Introduction to Interpolation and Upsampling posted on September 1, 2022
FIR Low Pass Filter Design with Remez posted on September 22, 2021
Deriving the Ideal Low Pass Filter (LPF) posted on October 1, 2022
Install and Run LaTeX on macOS posted on January 5, 2022
Designing FIR Filter Gain posted on February 23, 2022
Polyphase Half Band Filter for Decimation by 2 posted on September 29, 2021
Single Pole IIR Filter: Substitute for Moving Average Filter posted on August 10, 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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