
 Introduction to Interpolation and Upsampling posted on September 1, 2022
 Introduction to Interpolation and Upsampling posted on September 1, 2022 New GNU Radio Beginner Tutorials! posted on February 2, 2022
 New GNU Radio Beginner Tutorials! posted on February 2, 2022 Install and Run LaTeX on macOS posted on January 5, 2022
 Install and Run LaTeX on macOS posted on January 5, 2022 Single Pole IIR Filter: Substitute for Moving Average Filter posted on August 10, 2022
 Single Pole IIR Filter: Substitute for Moving Average Filter posted on August 10, 2022 Using Euler’s Formula to Derive Sine and Cosine posted on November 24, 2021
 Using Euler’s Formula to Derive Sine and Cosine posted on November 24, 2021![Figure 1: The two sequences for the autocorrelation of x0[n] and x0[n].](https://www.wavewalkerdsp.com/wp-content/uploads/wordpress-popular-posts/5515-featured-125x75.png) Cross Correlation Explained With Real Signals posted on December 1, 2021
 Cross Correlation Explained With Real Signals posted on December 1, 2021 Half Band Filter Design: Exceptional Filtering Efficiency! posted on September 27, 2021
 Half Band Filter Design: Exceptional Filtering Efficiency! posted on September 27, 2021 Designing FIR Filter Gain posted on February 23, 2022
 Designing FIR Filter Gain posted on February 23, 2022![Figure 1: The weights of the partitioned half band filter hA[n] and hB[n].](https://www.wavewalkerdsp.com/wp-content/uploads/wordpress-popular-posts/2226-featured-125x75.png) Polyphase Half Band Filter for Decimation by 2 posted on September 29, 2021
 Polyphase Half Band Filter for Decimation by 2 posted on September 29, 2021 Writing an eBook for Amazon Kindle with LaTeX on Linux posted on April 27, 2022
 Writing an eBook for Amazon Kindle with LaTeX on Linux posted on April 27, 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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