Delta Tips: How to Reduce Noise in 2D Spectra

  • Summary


Ridge reduction in 2D spectra

2D spectra sometimes contain stripes of vertical and horizontal noise. Delta NMR software has a function to reduce both kinds of noise. The figures below show how to reduce t1-noise, i.e. the noise parallel to F1-axis.

① Select Actions – Box Action – Ridge Reduce X in a 2D Viewer window.

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② Push and hold the button in the red circle and switch it to the Pick Region mode indicated by the button in the blue circle.
Note that cursor has changed to the symbol in the black circle.

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③ Select the area containing noise by the cursor. Do not select peaks as they would also be suppressed.

Delta Tips
∗ To reduce noise parallel to F2, select Ridge Reduce Y.
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