![Figure 1: A moving average filter is implemented by delaying the input signal x[n] and then scaling by 1/3 and summing all results.](https://www.wavewalkerdsp.com/wp-content/uploads/wordpress-popular-posts/272-featured-125x75.png)
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March 1, 2025
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Barker Code Auto-Correlation Properties - Using Euler’s Formula to Derive Sine and Cosine
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![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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