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natural frequency

Standard

ECSS-E-ST-32-11C - Modal survey assessment (31 July 2008)

Definition

characteristic frequency of a linear mechanical system at which the system vibrates when all external excitations are removed or damped out

Notes

NOTE 1 This definition refers to both, damped or undamped natural frequencies.
NOTE 2 The natural frequency is frequently referred to also as resonant frequency or eigenfrequency (see 3.2.14).

Relations

ECSS-E-ST-35C Rev. 1 — system
ECSS-S-ST-00-01C — system

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