Singular value decomposition based broadband microwave spectroscopy of 1H,2H-perfluorocyclobutane

► First application of SVD-based methods to broadband rotational spectroscopy. ► Method for distinction of molecular from non-molecular signals. ► Method for obtaining accurate line centers from highly truncated signals. ► First rotational spectroscopy of 1H,2H-perfluorocyclobutane.