Signal Processing: Aliasing

Aliasing is a phenomenon that can occur due to improper sampling or data collection, where the original signal is indistinguishable when reconstructing data from the collected samples. This usually occurs because the sampling rate and/or resolution is inadequate. Figure 1 shows an example of aliasing. The original…

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Waveform Signal – Crest Factor

The crest factor is also referred to as the peak-to-average ratio, or the the peak-to-average power ratio, for a waveform. It is the ratio between the peak amplitude of a waveform and the RMS value, as shown in the following equation: C = Peak amplitude         RMS…

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