
Cross Correlation Explained With Real Signals posted on December 1, 2021
Introduction to Interpolation and Upsampling posted on September 1, 2022
Efficient Real to Complex Conversion with a Half Band Filter posted on December 15, 2021
Single Pole IIR Filter: Substitute for Moving Average Filter posted on August 10, 2022
Designing FIR Filter Gain posted on February 23, 2022
Bandwidth of a Moving Average Filter posted on August 3, 2022
Time Invariant and Time Varying Filters posted on September 3, 2021
ADC Saturation: Why More Gain Isn’t Always Better posted on May 18, 2022
FIR Low Pass Filter Design with Remez posted on September 22, 2021
To Give Better Briefings, Use More Images posted on May 11, 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)
The third edition of DSP for Beginners: Simple Explanations for Complex Numbers! Includes a new chapter on sampling.