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MAX-PLANCK-INSTITUT FÜR GRAVITATIONSPHYSIK ALBERT-EINSTEIN-INSTITUT 2002-02-21Karsten Kötter1 DC Data Analysis SEI/SUS (Suspensions & Seismic Isolation) DC Workshop, Golm 2002-02-21 Karsten Kötter
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MAX-PLANCK-INSTITUT FÜR GRAVITATIONSPHYSIK - ALBERT- EINSTEIN-INSTITUT 2002-02-21Karsten Kötter2 power spectra / psd checked Matlab psd/pwelch algorithm to get power spectral densities / spectra right
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MAX-PLANCK-INSTITUT FÜR GRAVITATIONSPHYSIK - ALBERT- EINSTEIN-INSTITUT 2002-02-21Karsten Kötter3 psd / pwelch Matlab psd function scaling not clear Matlab pwelch function calculates correctly power spectral densities conversion to power/amplitude spectra not possible conversion factor ENBW ("Equivalent Noise BandWidth") is not given
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MAX-PLANCK-INSTITUT FÜR GRAVITATIONSPHYSIK - ALBERT- EINSTEIN-INSTITUT 2002-02-21Karsten Kötter4 Spectral density - pwelch
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MAX-PLANCK-INSTITUT FÜR GRAVITATIONSPHYSIK - ALBERT- EINSTEIN-INSTITUT 2002-02-21Karsten Kötter5 asd script wrote Matlab script to calculate asd (amplituide spectral density) ENBW allows you to calculate asd, psd, as, ps
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MAX-PLANCK-INSTITUT FÜR GRAVITATIONSPHYSIK - ALBERT- EINSTEIN-INSTITUT 2002-02-21Karsten Kötter6 Spectral density - asd
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MAX-PLANCK-INSTITUT FÜR GRAVITATIONSPHYSIK - ALBERT- EINSTEIN-INSTITUT 2002-02-21Karsten Kötter7 Spectrum - asd
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MAX-PLANCK-INSTITUT FÜR GRAVITATIONSPHYSIK - ALBERT- EINSTEIN-INSTITUT 2002-02-21Karsten Kötter8 Comparison ACC/SEIS sensors compared ACC sensor signals to SEI sensor signal consistency check for calibration functions
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MAX-PLANCK-INSTITUT FÜR GRAVITATIONSPHYSIK - ALBERT- EINSTEIN-INSTITUT 2002-02-21Karsten Kötter9
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MAX-PLANCK-INSTITUT FÜR GRAVITATIONSPHYSIK - ALBERT- EINSTEIN-INSTITUT 2002-02-21Karsten Kötter10 Comparison ACC/SEIS sensors
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MAX-PLANCK-INSTITUT FÜR GRAVITATIONSPHYSIK - ALBERT- EINSTEIN-INSTITUT 2002-02-21Karsten Kötter11 Coherence seismic - MI output calculated coherence function between LSC_MID_EP-P and seismic channels check whether sensitivity is limited by seismic motion in some frequency bands
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MAX-PLANCK-INSTITUT FÜR GRAVITATIONSPHYSIK - ALBERT- EINSTEIN-INSTITUT 2002-02-21Karsten Kötter12 Coherence seismic - MI output
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MAX-PLANCK-INSTITUT FÜR GRAVITATIONSPHYSIK - ALBERT- EINSTEIN-INSTITUT 2002-02-21Karsten Kötter13 SEI_TFN_ACC-Y-ST3
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MAX-PLANCK-INSTITUT FÜR GRAVITATIONSPHYSIK - ALBERT- EINSTEIN-INSTITUT 2002-02-21Karsten Kötter14 coherence plots - results output dominated by noise from TFN at 8-10 Hz mechanical resonance in suspension (horizontal mode of stack rubber layer)
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MAX-PLANCK-INSTITUT FÜR GRAVITATIONSPHYSIK - ALBERT- EINSTEIN-INSTITUT 2002-02-21Karsten Kötter15 coherence plots - results
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MAX-PLANCK-INSTITUT FÜR GRAVITATIONSPHYSIK - ALBERT- EINSTEIN-INSTITUT 2002-02-21Karsten Kötter16 evolution of signals over c.run
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