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... Following up on a previous question about processing interleaved gNhsqc_IPAP.c data where IP/AP is on the inner loop with array=IPAP,phase setting.

When the processing script has:

nmrPipe    -in test.fid \
... usual X axis processing ...
| nmrPipe  -fn TP \
| nmrPipe  -fn COADD -cList 1 -1.1 -time \
...

We have a normal spectum:

alt text

But when in the same script we move COADD downstream to X axis processing stage and set -axis Y:

nmrPipe    -in test.fid \
| nmrPipe  -fn COADD -cList 1 -1.1 -axis Y -time \
...

The data looks like so:

alt text

I'm a little confused - I thought that -axis Y switch on coadd is equivalent to "transpose, then apply COADD, then transpose again"? What is the difference between the above two ways of COADD'ing?

Thank you!

asked Dec 11 '09 at 10:16

Evgeny%20Fadeev's gravatar image

Evgeny Fadeev
5471

updated Jan 15 '10 at 16:49

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