
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
Power and Energy in Discrete-Time Signals posted on December 1, 2023
Designing FIR Filter Gain posted on February 23, 2022
Derivative Filter Impulse Response Derivation posted on November 24, 2021
Introduction to Interpolation and Upsampling posted on September 1, 2022
Fourier Transform Pairs of Conjugation and Time Reversal posted on November 17, 2021
Investing Time Into Younger Engineers posted on October 1, 2023
Calculate Average Signal Power posted on June 1, 2024
Square Root Raised Cosine Filter in Python posted on November 10, 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)
The third edition of DSP for Beginners: Simple Explanations for Complex Numbers! Includes a new chapter on sampling.