Presentation 1997/8/8
Modeling of non-stationary element contained infra-sound in short duration measurement.
Hiroyuki Fujinaga, Hideo Shibayama,
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Abstract(in English) In measuring infra-sound produced by a mashine, the signal and wind noise with low friqency spectrum are obtained and have non-stational elements. The non-stational elements cause wind noise and short duration measurement. Mesured signal has trend part which is non-stational and the other part. The trend part mis separated by the Kalman filter based on IAR model and infra-sound is in the other part. By separation, the model for the infra-sound generator is indicated accurately. The proposed method works stably. From the obtained result, it is useful to estimated parameters of the space state model.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) trend element / The Kalman filter / infra-sound / polynomal eqation / Akaike information criterion
Paper # EA97-27
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Committee EA
Conference Date 1997/8/8(1days)
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Registration To Engineering Acoustics (EA)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Modeling of non-stationary element contained infra-sound in short duration measurement.
Sub Title (in English)
Keyword(1) trend element
Keyword(2) The Kalman filter
Keyword(3) infra-sound
Keyword(4) polynomal eqation
Keyword(5) Akaike information criterion
1st Author's Name Hiroyuki Fujinaga
1st Author's Affiliation Shibaura Institute of Technology()
2nd Author's Name Hideo Shibayama
2nd Author's Affiliation Shibaura Institute of Technology
Date 1997/8/8
Paper # EA97-27
Volume (vol) vol.97
Number (no) 222
Page pp.pp.-
#Pages 6
Date of Issue