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  Pulsar search using data compression with the Garching gravitational wave detector

Niebauer, T. M., Rüdiger, A., Schilling, R., Schnupp, L., Winkler, W., & Danzmann, K. (1993). Pulsar search using data compression with the Garching gravitational wave detector. Physical Review D, 47(8), 3106-3123. doi:10.1103/PhysRevD.47.3106.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-5C3F-F Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-5C40-9
Genre: Journal Article

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372223.pdf (Publisher version), 4MB
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 Creators:
Niebauer, T. M.1, 2, Author
Rüdiger, Albrecht1, Author              
Schilling, Roland1, Author              
Schnupp, L.1, 2, Author
Winkler, Walter1, Author              
Danzmann, Karsten1, Author              
Affiliations:
1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, escidoc:24010              
2AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, escidoc:24009              

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 Abstract: We describe briefly the standard problems associated with the detection of a periodic signal of astrophysical origin. We present a method for data compression when the bandwidth of the expected signal is much smaller than the detector bandwidth. The reduced data set can be corrected for the Doppler shift due to Earth's orbital and rotational motion even when the expected signal is close to the Nyquist frequency of the original data rate. Standard matched filtering techniques and Fourier transform processing can also be implemented on the compressed data stream. We applied this procedure to 100 hours of data taken with the Garching gravitational wave prototype detector. The results of this test reveal that the amplitude statistics of our prototype in the frequency domain follow closely the expected Rayleigh distribution over all 100 h. This analysis puts a constraint of 9 × 10-21 on possible gravitational wave strains produced by periodic sources in SN 1987A.

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 Dates: 1993-04
 Publication Status: Published in print
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Title: Physical Review D
Source Genre: Journal
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Pages: - Volume / Issue: 47 (8) Sequence Number: - Start / End Page: 3106 - 3123 Identifier: ISSN: 1089-4918