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DTIC ADA205817: Wavevector-Frequency Spectral Estimation: A Review ... |
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by Defense Technical Information Center |
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This document consists of the text and slides of an |
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invited paper presented at The 116th Meeting of the |
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Acoustical Society of America held in Honolulu, Hawaii, |
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during 15-18 november 1988. The following abstract was |
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published in the program for the 116th Meeting (J. |
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Acoust. Soc. Am., Supplement 1, Vol. 84, Fall 1988). |
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Signal processing techniques for estimating wavevector- |
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frequency spectra of space-time fields from measured data |
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parallel those developed by electrical engineers for |
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estimating frequency spectra from measured samples of |
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temporal fields. This paper reviews a conventional |
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technique for estimating the wavevector frequency |
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spectrum form samples of a space-time field measured |
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through an array of sensors. The mean value of this |
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spectral estimate can be related to the true spectrum of |
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the space-time field and the wavevector and frequency |
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responses associated with the various components of the |
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signal processing. This relationship permits, under |
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certain conditions, the Quality of the spectral estimate |
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to be assessed. The dependence of the quality of the |
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spectral estimate on the various components of the signal |
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processing is discussed. |
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Date Published: 2018-02-22 06:32:00 |
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Identifier: DTIC_ADA205817 |
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Item Size: 11622329 |
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Language: english |
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Media Type: texts |
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# Topics |
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DTIC Archive; Strawderman, Wayne A ; ... |
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