- Metaplectomorphism
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In mathematics and signal processing, a metaplectomorphism is a transformation by way of an operator from a metaplectic group of operators.
Examples of metaplectomorphisms, in time-frequency, include:
- translation in time;
- translation in frequency;
- dilation in time (also results in frequency contraction);
- chirping (introduction of a time-varying frequency-shift);
- dispersion (introduction of a frequency-varying time-shift).
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