= Reconstruction from zero crossings
{wiki=Reconstruction_from_zero_crossings}
Reconstruction from zero crossings is a technique used in signal processing and data analysis for reconstructing a signal based on its zero-crossing events. A zero-crossing occurs when a signal changes sign, indicating that it has crossed the horizontal axis (i.e., the value of the signal changes from positive to negative or vice versa). \#\#\# Key Concepts: 1. **Zero-Crossings**: - These are points on the waveform where the signal value is zero.
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