Data Editing
Data Editing
Data Editing
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Example Usage<br />
msin = /data/scratch/tutorials/cyga/L24921_SB005_uv.MS<br />
msin.startchan = 1<br />
msin.nchan = 62<br />
msin.datacolumn = DATA<br />
msout = "L24921_SB005_uv.MS"<br />
msout.datacolumn = DATA<br />
steps = [preflag,flag1,count,avg1,flag2,avg2,count]<br />
preflag.type=preflagger<br />
preflag.corrtype=auto<br />
flag1.type=madflagger<br />
flag1.threshold=4<br />
flag1.freqwindow=31<br />
flag1.timewindow=5<br />
flag1.correlations=[0,3]<br />
avg1.type = squash<br />
avg1.freqstep = 64<br />
avg1.timestep = 1<br />
flag2.type=madflagger<br />
flag2.threshold=3<br />
flag2.timewindow=51<br />
avg2.type = squash<br />
avg2.timestep = 5<br />
Flag the first & last channels<br />
Steps required<br />
flags the autocorrelations<br />
Flag with MADFlagger<br />
flags the XX and YY polarizations<br />
Compress the data<br />
(Compresses to one channel)<br />
2 nd round of Flagging<br />
compresses 5 time-slots i.e. 15 s<br />
Louise Ker, LOFAR-UK <strong>Data</strong> School, 30/08/11
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