
Using Euler’s Formula to Derive Sine and Cosine posted on November 24, 2021
ADC Saturation: Why More Gain Isn’t Always Better posted on May 18, 2022
Introduction to Interpolation and Upsampling posted on September 1, 2022
Deriving the Ideal Low Pass Filter (LPF) posted on October 1, 2022
Barker Code Auto-Correlation Properties posted on March 1, 2024
FIR Low Pass Filter Design with Remez posted on September 22, 2021
Building a PSK and QAM Modulator in Python posted on June 8, 2022
Time Invariant and Time Varying Filters posted on September 3, 2021
DFT Frequency Resolution Explained posted on March 16, 2022
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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