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  • 1
    Monograph available for loan
    Monograph available for loan
    Random data : analysis and measurement procedures (2000)
    New York [u.a.] : Wiley
    Details Availability
    Call number: PIK M 311-09-0022
    Description / Table of Contents: Contents: Basic Descriptions and Properties ; Linear Physical Systems ; Probability Fundamentals ; Statistical Principles ; Stationary Random Processes ; Single-Input/Output Relationships ; Multiple-Input/Output Relationships ; Statistical Errors in Basic Estimates ; Statistical Errors in Advanced Estimates ; Data Acquisition and Processing ; Data Analysis ; Nonstationary Data Analysis ; The Hilbert Transform ; Bibliography ; Appendices
    Type of Medium: Monograph available for loan
    Pages: xvii, 594 S. : graph. Darst.
    Edition: 3. ed.
    ISBN: 0471317330
    Location: A 18 - must be ordered
    Branch Library: PIK Library
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  • 2
    Monograph available for loan
    Monograph available for loan
    Random data : analysis and measurement procedures (1986)
    New York [u.a.] : Wiley & Sons
    Details Availability
    Call number: M 92.1349
    Type of Medium: Monograph available for loan
    Pages: xvii, 566 S.
    Edition: 2nd ed., revised and expanded
    ISBN: 0471040002
    Classification:
    C.1.7.
    Language: English
    Location: Upper compact magazine
    Branch Library: GFZ Library
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  • 3
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    Optimum Resolution Bandwidth for Spectral Analysis of Stationary Random Vibration Data (1993)
    Hindawi
    Details
    Publication Date: 1993-01-01
    Description: This article presents a methodology for selecting the frequency resolution bandwidth for the spectral analysis of stationary random vibration signals in an optimum manner. Specifically, the resolution bandwidth that will produce power spectral density estimates with a minimum mean square error is determined for any given measurement duration (averaging time), and methods of approximating the optimum bandwidth using practical spectral analysis procedures are detailed. The determination of the optimum resolution bandwidth requires an estimate for the damping ratio of the vibrating structure that produced the measured vibration signal and the analysis averaging time. It is shown that the optimum resolution bandwidth varies approximately with the 0.8 power of the damping ratio and the bandwidth center frequency, and the −0.2 power of the averaging time. Also, any resolution bandwidth within ±50% of the optimum bandwidth will produce power spectral density (PSD) estimates with an error that is no more than 25% above the minimum achievable error. If a damping ratio of about 5% for structural resonances is assumed, a constant percentage resolution bandwidth of 1/12 octave, but no less than 2.5 Hz, will provide a near optimum PSD analysis for an averaging time of 2 seconds over the frequency range from 20 to 2000 Hz. A simple scaling formula allows the determination of appropriate bandwidths for other damping ratios and averaging times.
    Print ISSN: 1070-9622
    Electronic ISSN: 1875-9203
    Topics: Mathematics
    Published by Hindawi
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  • 4
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    Procedures to Compute Maximum Structural Responses from Predictions or Measurements at Selected Points (1996)
    Hindawi
    Details
    Publication Date: 1996-01-01
    Description: It is common to establish shock and vibration design and/or test criteria for equipment mounted on a structure by computing a conservative upper bound for the spectrum of the dynamic load induced response of the structure based upon predicted or measured spectra at various points. This task is usually accomplished by one of five procedures, namely, the computation from the available spectra of a simple envelope, a normal tolerance limit, a distribution-free tolerance limit, an empirical tolerance limit, or a normal prediction limit. These five procedures are reviewed and illustrated using the power spectra computed from vibration signals measured during the lift-off of a large launch vehicle at 12 locations in a structural region where equipment will be mounted. The results are compared and the merits and liabilities of the various procedures are discussed.
    Print ISSN: 1070-9622
    Electronic ISSN: 1875-9203
    Topics: Mathematics
    Published by Hindawi
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  • 5
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    Advances in Shannon’s Sampling Theory (1994)
    Hindawi
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    Publication Date: 1994-01-01
    Print ISSN: 1070-9622
    Electronic ISSN: 1875-9203
    Topics: Mathematics
    Published by Hindawi
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  • 6
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    Pyroshock recommendations in proposed MIL-HDBK on 'Dynamic Data Acquisition and Analysis' (1991)
    In:  Other Sources
    Details
    Publication Date: 2011-08-24
    Description: The pyroshock recommendations presented in a military handbook on Guidelines for Dynamic Data Acquisition and Analysis, which is being prepared by the Jet Propulsion Laboratory, are summarized. Numerous comments,including suggestions for modifications and additions to the handbook, are discussed. Particular attention is given to recommendations concerning measurement locations, transducers, signal conditioners, data recorders, data sampling, data editing, and data analysis.
    Keywords: QUALITY ASSURANCE AND RELIABILITY
    Type: In: Institute of Environmental Sciences, Annual Technical Meeting, 37th, San Diego, CA, May 6-10, 1991, Proceedings (A93-27778 09-38); p. 1-5.
    Format: text
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  • 7
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    Guidelines for dynamic data acquisition and analysis (1992)
    In:  Other Sources
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    Publication Date: 2011-08-24
    Description: The recommendations concerning pyroshock data presented in the final draft of a proposed military handbook on Guidelines for Dynamic Data Acquisition and Analysis are reviewed. The structural responses produced by pyroshocks are considered to be one of the most difficult types of dynamic data to accurately measure and analyze.
    Keywords: QUALITY ASSURANCE AND RELIABILITY
    Type: IES, Journal (ISSN 1052-2883); 35; 5; p. 21-26.
    Format: text
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  • 8
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    Evaluation of a procedure for the analysis of nonstationary vibroacoustic data (1989)
    In:  Other Sources
    Details
    Publication Date: 2011-08-19
    Description: Numerical techniques for the spectral analysis of vibration data from space-vehicle launches are described and demonstrated. A nonstationary product model described by Bendat and Piersol (1986) and its locally stationary version (Silverman, 1957) are applied to Space Shuttle flight data, and the results are presented in extensive graphs. It is shown that the nonstationary model can analyze data from longer sampling periods and thus significantly reduce random error; this in turn leads to vibration spectra lower than those obtained with short-duration models.
    Keywords: QUALITY ASSURANCE AND RELIABILITY
    Type: Journal of Environmental Sciences (ISSN 0022-0906); 32; 35-42
    Format: text
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  • 9
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    The analysis of nonstationary vibration data (1987)
    In:  CASI
    Details
    Publication Date: 2013-08-31
    Description: The general methodology for the analysis of arbitrary nonstationary random data is reviewed. A specific parametric model, called the product model, that has applications to space vehicle launch vibration data analysis is discussed. Illustrations are given using the nonstationary launch vibration data measured on the Space Shuttle orbiter vehicle.
    Keywords: STRUCTURAL MECHANICS
    Type: NASA-Marshall Space Flight Center, The 58th Shock and Vibration Symposium, Volume 1; p 3-2
    Format: application/pdf
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  • 10
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    Guidelines for Dynamic Environmental Criteria: An Invitation to Participate in Their Development (1993)
    In:  Other Sources
    Details
    Publication Date: 2018-06-08
    Format: text
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