LIGO Document T990013-x0

Diagnostics Test Software

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T - Technical notes
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The LIGO global diagnostics system (GDS) provides diagnostics test capability for performing stimulus-response tests. Diagnostics tests are divided into five groups: (i) sine response tests which include multiple stimulus and multiple response, harmonic distortion and two-tone intermodulation, (ii) swept sine response which determines transfer functions, (iii) FFT tools which perform power spectrum estimates and cross-correlation measurements, (iv) time series measurements which measure the response to a trigger signal, and (v) pseudo-random stimulus response tests which utilize wide-bandwidth excitation signals.
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Rev T990013-B-D:
- Full document number: LIGO-T990013-B-D
- Author(s): Peter Fritschel; Daniel Sigg
- Document date: 1999-06-28
- Document received date: 2004-07-30
- Document entry date: 2004-07-30

Rev T990013-A-D:
- Full document number: LIGO-T990013-A-D
- Author(s): Peter Fritschel; Daniel Sigg
- Document date: 1999-04-01
- Document received date: 1999-04-26
- Document entry date: 1999-04-26
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