Slowly varying envelope approximation
id:
slowly-varying-envelope-approximation-322-12665084
title:
Slowly varying envelope approximation
text:
In physics, slowly varying envelope approximation is the assumption that the envelope of a forward-travelling wave pulse varies slowly in time and space compared to a period or wavelength. This requires the spectrum of the signal to be narrow-banded—hence it is also referred to as the narrow-band approximation. The slowly varying envelope approximation is often used because the resulting equations are in many cases easier to solve than the original equations, reducing the order of—all or some of
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encyclopedia
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original url:
https://en.wikipedia.org/wiki/Slowly_varying_envelope_approximation
date created:
date modified:
2024-01-11T13:14:22Z
main entity:
{"identifier":"Q7542169","url":"https://www.wikidata.org/entity/Q7542169"}
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13
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