TY - JOUR AU - TI - Empirical Orthogonal Representation of Time Series in the Frequency Domain. Part I: Theoretical Considerations JF - Journal of Applied Meteorology DO - 10.1175/1520-0450(1972)011<0887:eorots>2.0.co;2 DA - 1972-09-01 UR - https://www.deepdyve.com/lp/unpaywall/empirical-orthogonal-representation-of-time-series-in-the-frequency-90NZuiShA5 DP - DeepDyve ER -