Small Perturbation

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Small Perturbation

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A disturbance imposed on a system in steady state, with amplitude assumed small, i.e., the square of the amplitude is negligible in comparison with the amplitude, and the derivatives of the perturbation are assumed to be of the same order of magnitude as the perturbation. See perturbation, method of small perturbations. </dd>

References

This article is based on NASA's Dictionary of Technical Terms for Aerospace Use