
Polyphase Half Band Filter for Decimation by 2 posted on September 29, 2021
Install and Run LaTeX on macOS posted on January 5, 2022
Using Euler’s Formula to Derive Sine and Cosine posted on November 24, 2021
Single Pole IIR Filter: Substitute for Moving Average Filter posted on August 10, 2022
Why Does the DFT Need Windowing Functions? posted on September 1, 2023
Bandwidth of a Moving Average Filter posted on August 3, 2022
Designing an FIR High Pass Filter with Remez posted on September 23, 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
How Euler’s Formula Relates Triangles, the Unit Circle and Complex Sinusoids posted on September 16, 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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