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Complex Frequency Shifting in Discrete Time posted on January 1, 2023
Barker Code Auto-Correlation Properties posted on March 1, 2024
Designing an FIR Band Pass Filter with Remez posted on September 24, 2021
Using Euler’s Formula to Derive Sine and Cosine posted on November 24, 2021
DFT Frequency Resolution Explained posted on March 16, 2022
Building a PSK and QAM Modulator in Python posted on June 8, 2022
Efficient Real to Complex Conversion with a Half Band Filter posted on December 15, 2021
Deriving the Ideal Low Pass Filter (LPF) posted on October 1, 2022
fred harris on Channelizers Video posted on February 2, 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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