Frequency response testing in a noisy environment or with a limited power supply

White, Maurice F.; White, Robert G.

doi:10.1016/0022-460x(76)90556-3

Cited by 4 publications

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“…The signal averaging technique applied in point frequency response measurements is illustrated in Figs. 19(a, b and c) (21) , the structure tested was a beam. Figure 19(a) shows the result of excitation by a single linear swept sinewave through the frequency range 10-1000 Hz in 0-25s.…”

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confidence: 99%

Practical application of the rapid frequency sweep technique for structural frequency response measurement

White

Pinnington

1982

Aeronaut. j.

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SummaryThe rapid frequency sweep technique is the result of a considerable amount of research into the development of a transient method for the rapid measurement of structural frequency response, digital data analysis procedures being used to derive the required dynamic characteristics. Theoretical analyses, together with the results of experimental studies and experience gained during structural testing are presented here which illustrate practical considerations and limitations of the method; these range from discussion of exciter attachment, effects of transducers and choice of instrumentation to signal processing methods and related criteria. A simple guide to practical structural testing is given in the final section which outlines procedures to be followed during testing and signal acquisition.

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confidence: 99%