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March 1, 2025
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Deriving the Ideal Low Pass Filter (LPF) - How Euler’s Formula Relates Triangles, the Unit Circle and Complex Sinusoids
- Single Pole IIR Filter Frequency Response
- Complex Frequency Shifting in Discrete Time
- Barker Code Auto-Correlation Properties
- Comb Filter Introduction and Analysis
- Introduction to Interpolation and Upsampling
- FIR Low Pass Filter Design with Remez
- Designing an FIR High Pass Filter with Remez
- Basic Rules for Complex Numbers
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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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The third edition of DSP for Beginners: Simple Explanations for Complex Numbers! Includes a new chapter on sampling.
