NAOJ GW Elog Logbook 3.2
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YuhangZhao - 14:26, Thursday 15 July 2021 (2620)
A comparison of fitting FDS from our published result
Michael and Yuhang
In this elog, we compare the published FDS fit result and the new mcmc method we are using.
| least square detuning (Hz) | mcmc detuning (Hz) | |
| data1 | 42.6 | 46 |
| data2 | 69.2 | 69 |
| data3 | 62.2 | 60 |
| data4 | 60.4 | 66 |
| data5 | 67.9 | 64 |
| data6 | 71.4 | 71 |
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The mcmc fit result of four parameters from published FDS data
| sqz (dB) | loss (%) | phi (deg) | det (Hz) | |
| 1 | 8.3 +0.5/-0.3 | 34.1 +1.0/-0.8 | 0.1 +0.4/-0.5 | 46.3 +1.8/-2.1 |
| 2 | 8.2 +0.5/-0.5 | 36.0 +1.5/-1.9 | 14.7 +0.9/-0.8 | 68.7 +2.7/-2.6 |
| 3 | 8.9 +0.1/-0.2 | 34.4 +0.5/-0.3 | 26.0 +0.4/-0.3 | 59.8 +0.9/-0.7 |
| 4 | 7.8 +0.4/-0.3 | 40.1 +0.7/-1.3 | 43.3 +1.8/-2.1 | 66.0 +2.4/-2.9 |
| 5 | 8.9 +0.1/-0.1 | 34.2 +1.9/-0.9 | 55.4 +1.7/-1.0 | 63.6 +1.9/-1.2 |
| 6 | 8.6 +0.2/-0.2 | 36.7 +2.9/-2.5 | 91.6 +1.8/-2.0 | 70.9 +1.6/-1.9 |