Transcription of SHOCK AND VIBRATION RESPONSE SPECTRA …
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1 SHOCK AND VIBRATION RESPONSE SPECTRA COURSEUnit 3. Sine Sweep Frequency and Octave CalculationsBy Tom IrvineIntroductionA common specification for a base excitation test is a sine sweep test. An example isshown in Figure (SEC)ACCEL (G)SINE SWEEP EXAMPLE Figure purpose of a sine sweep test might be to identify natural frequencies of the test purpose might be to verify the design or workmanship of the item with respect For example, consider an avionics component subjected to a sine sweep test is considered successful if the avionics component operates properly before, 1 An argument can be made that random VIBRATION is more effective for uncovering design orworkmanship flaws. Nevertheless, some specifications require sine sweep , and after the VIBRATION test. Note that the component is electrically powered andmonitored during the VIBRATION essence of a sine sweep test is that the base excitation input consists of a singlefrequency at any given time.
1 SHOCK AND VIBRATION RESPONSE SPECTRA COURSE Unit 3. Sine Sweep Frequency and Octave Calculations By Tom Irvine Introduction A common specification for a base excitation test is a sine sweep test.
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