Discussions among practitioners of the shock-testing art and a series of round robins have shown that the results obtained from mechanical shock experiments performed in different laboratories very widely. To emphasize the problem, it has been found that different generations of hardware/software systems from one of the major system vendors produce results that disagree by up to 30 percent. A 1995 paper described a study that examined some of the critical parameters that affect shock response spectrum (SRS) results and reported on their use by some of the practitioners in the field.1 The paper showed that parameters such as anti-alias filter characteristics, ac-coupling strategies, and analysis algorithm/strategy can strongly affect the results and that they are not uniformly applied by system suppliers or users. This paper discusses the problem further and presents an analytical procedure that may be applied to achieve agreement between the data sets acquired and analyzed by different laboratories.
A Proposed Method to Standardize Shock Response Spectrum (SRS) Analysis: To Provide Agreement Between Tests Performed at Different Facilities
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Strether Smith, Bill Hollowell; A Proposed Method to Standardize Shock Response Spectrum (SRS) Analysis: To Provide Agreement Between Tests Performed at Different Facilities. Journal of the IEST 31 May 1996; 39 (3): 19–24. doi: https://doi.org/10.17764/jiet.2.39.3.y824684015304218
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