Phase-sensitive spectral estimation by the hybrid filter diagonalization method

► A way to reliably enhance truncated multidimensional NMR data is described. ► Spectra behave as conventional FT spectra, and can be phased after being computed. ► Useful 2D spectra with just four time increments are shown. ► There is a true noise floor. ► The HSQC sequence can zoom in on areas to resolve congested regions rapidly.