Fix sI_pred ratio
more matlab references
Update based on latest code (?)

A few values are different in this file. I'm not sure why, but the
differences are quite small, so I am using what is produced by
current code.
more matlab references
fix data acquisition rate!
0.5% change in \Delta T_b

Not sure where this comes from, but so small that I trust the
code is OK
Fix sum subscripts. Other problems in noise aliasing section
matlab references
Make plots fit page
Correct excess noise values
My edits for ch 6
Nils ch 4 edits