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Noise and Requirement of BRT

Noise and Requirement of BRT. Junko Katayama NAOJ / Ochanomizu University 2014/5/21. Red line is requirement “1” means noise on QPD1, “2” on QPD2 lateral noises were from seismic spectrum Angular ones were estimated by surface wave

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Noise and Requirement of BRT

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  1. Noise and Requirementof BRT Junko Katayama NAOJ / Ochanomizu University 2014/5/21

  2. Red line is requirement • “1” means noise on QPD1, “2” on QPD2 • lateral noises were from seismic spectrum • Angular ones were estimated by surface wave • Ones caused by lateral motion seem to be not dominant (but not checked strictly yet)

  3. SOFT Noise and Requirement

  4. HARD Noise and Requirement

  5. Conclusion • I will check that the angular noises caused by lateral motion are surely not dominant. • We can get HARD mode signal. • We may be able to get SOFT mode signal if we susped BRT.

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