Differences
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projects:mkat_sband:pub:snrdet [2020/11/03 13:40] wucknitz |
projects:mkat_sband:pub:snrdet [2020/11/04 11:13] (current) wucknitz |
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| | 3 | symmetric diff in time | from difference to mean of both adjacent time bins | | | 3 | symmetric diff in time | from difference to mean of both adjacent time bins | | ||
| | 4 | symmetric diff in freq | from difference to mean of both adjacent channels | | | 4 | symmetric diff in freq | from difference to mean of both adjacent channels | | ||
| - | | 5 | weights | from ''WEIGHT_SPECTRUM'', which is probably derived from autocorrelations | | + | | 5 | weights | from ''WEIGHT_SPECTRUM'', derived from autocorrelations, dt*df/(auto1*auto2) | |
| | 6 | rms2 | rms deviation from frequency-average (per time and pol) | | | 6 | rms2 | rms deviation from frequency-average (per time and pol) | | ||
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| The SNR can be reduced or separated into station-based SNRs, as shown with the dashed yellow lines. These can hardly be distinguished from the solid (baseline-based) lines, which proves that the separation works well. | The SNR can be reduced or separated into station-based SNRs, as shown with the dashed yellow lines. These can hardly be distinguished from the solid (baseline-based) lines, which proves that the separation works well. | ||
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| - | ===== Bandpass ===== | ||
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| - | The baseline bandpasses can be measured after calibration by averaging the complex visibilities over time. We reduce them to station-based values with full complex fits. | ||
