Procedures for describing and analyzing frequency composition of spacecraft launch vibration data are considered; concept of stationarity is reviewed, and methods for describing frequency composition of nonstationary data are summarized; ensemble averaging and time averaging procedures are discussed with emphasis on errors associated with each approach; based on experimental studies of actual spacecraft launch vibration data and theoretical ideas, procedure is recommended for spectral analysis of nonstationary spacecraft vibration data which is based upon time averaging short selected sample records of data.
Spectral analysis of nonstationary spacecraft vibration data
NASA CR
1965
106 pages
Report
English
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Spectral analysis of nonstationary spacecraft vibration data
TIBKAT | 1965
|Analysis of Nonstationary Vibration Data
NTIS | 1987
|The analysis of nonstationary vibration data
NTRS | 1987
|