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'''Modal testing''' is the form of [[vibration|vibration testing ]] of an object whereby the natural (modal) frequencies, modal masses, modal damping ratios and mode shapes of the object under test are determined.▼
[[File:Vibration testing.svg|thumb|upright=3|Key components for performing experimental modal analysis.]]
▲'''Modal testing''' is the form of [[vibration|vibration testing ]] of an object whereby the natural (modal) frequencies, modal masses, modal damping ratios and mode shapes of the object under test are determined.
A modal test consists of an acquisition phase and an analysis phase. The complete process is often referred to as a [[Modal Analysis]] or Experimental Modal Analysis.
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