IEST-RP-DTE012.1-HANDBOOK FOR DYNAMIC
DATA ACQUISITION AND ANALYSIS
Published 1/1/1995
ISBN: 1-877862-47-9
Document Number: D012
Number of Pages: 329
Design, Test, and Evaluation Division
This Recommended Practice provides guidelines
for acquiring and analyzing structural or mechanical shock and
vibration and acoustic and aerodynamic noise data from flight
and ground tests for all categories of aerospace vehicles. Containing
more than 300 pages, the document was originally prepared by
the Jet Propulsion Laboratory for the U.S. Air Force Materiel
Command.
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Table of Contents
1. Introduction
1.1 Historical Background
1.2 Purpose
1.3 Inclusions and Exclusions
2. Dynamic Measurement Planning
2.1 Introduction
2.2 Measurement Numbers, Locations, and Directions
2.3 Frequency Ranges
2.4 Dynamic Ranges
2.5 Measurement Durations
2.6 Multi-Channel Measurements
2.7 Time Codes
2.8 Error Budgets
2.9 Instruments and/or Software Selection and Vendor Evaluation
2.10 Major Causes of Error
2.11 References
3. Data Acquisition
3.1 Introduction
3.2 Transducers
3.3 Signal Conditioners
3.4 Multiplexers and Demultiplexers
3.5 Communication Links
3.6 Data Recording, Playback, and Storage
3.7 Analog-to-Digital Converters
3.8 System Calibration
3.9 System Gain Settings
3.10 Record Keeping
3.11 References
4. Data Validation and Editing
4.1 Introduction
4.2 Identification of Physical Events
4.3 Visual Inspection of Analog Time Histories
4.4 Visual Inspection of Digital Time Histories
4.5 Visual Inspection of Analyzed Data
4.6 Corrective Editing of Time Histories
4.7 Identification of Periodic Components
4.8 Identification of Nonstationary Trends
4.9 References
5. Data Analysis
5.1 Introduction
5.2 Time Histories
5.3 Data Classification
5.4 Single Channel Spectral Analysis - Periodic and Random Data
5.5 Single Channel Spectral Analysis - Transient Data
5.6 Dual Channel Analysis
5.7 Other Analyses
5.8 References
Appendices
A. Pyroshock Data Acquisition and Analysis
B. Nonstationary Random Vibroacoustic Data Analysis
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