Harmonic Analysis of Time Series (HANTS)
"In recent decades, researchers have developed methods and models to reconstruct time series of irregularly spaced observations from satellite remote sensing, among which the widely used Harmonic Analysis of Time Series (HANTS) method." (Zhou et al., 2012)
Zhou J., Hu G., Jia L. and Menenti M. "Evaluation of Harmonic ANalysis of Time Series (HANTS): impact of gaps on time series reconstruction". Second International Workshop on Earth Observation and Remote Sensing Applications (2012): 5p.