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| Amplitude
Calibration |
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| • | Can
use self-cal to get good |
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| relative
amplitude |
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| calibration
on a given |
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| frequency. |
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| • | But
how can we control the |
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| accuracy
of frequency to |
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| frequency
amplitudes? |
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| • | Even
a 10% variation yields |
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| a
noisy spectrum. |
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| • | Mapping
effects can |
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| cause
systematic |
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| errors. Need |
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| spatial/spectral
MEM. |
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