
Half Band Filter Design: Exceptional Filtering Efficiency! posted on September 27, 2021
Half Band Filter Design Function in Python posted on December 8, 2021
Square Root Raised Cosine Filter in Python posted on November 10, 2021
Polyphase Half Band Filter for Decimation by 2 posted on September 29, 2021
Building a PSK and QAM Modulator in Python posted on June 8, 2022
Cross Correlation Explained With Real Signals posted on December 1, 2021
Introduction to Interpolation and Upsampling posted on September 1, 2022
Fourier Transform Explanation as a Cross-Correlation posted on December 22, 2021
Installing GNU Radio and B200 mini SDR posted on November 1, 2023
Deriving the Ideal Low Pass Filter (LPF) posted on October 1, 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)
Now for sale: The third edition of DSP for Beginners: Simple Explanations for Complex Numbers! Includes a new chapter on sampling.
This website participates in the Amazon Associates program. As an Amazon Associate I earn from qualifying purchases.
© 2021-2025 Wave Walker DSP