Natural Frequency

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Natural Frequency

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1. The frequency of free oscillation of a system. For a multiple-degree-of-freedom system, the natural frequencies are the frequencies of the normal modes of vibration. </dd>
2. The undamped resonance frequency of a physical system. It is expressed in cycles per unit time. The system may be mechanical, pneumatic, or electrical. </dd>

References

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