'Julian day' diaporamas de présentation

Spacecraft Dynamics

597 views • 43 slides

DN to Reflectance

DN to Reflectance. HONDA Kiyoshi. Contents. Definition of NDVI Radiance Reflectance How to Calculate Radiance from DN Irradiance. Definition of NDVI. Reflectance. Ratio of Radiant Energy Reflected to Incident Energy

818 views • 17 slides

Creating the Date Dimension

Creating the Date Dimension. Using SQL and SAS to process dates. Base E-R Diagram. Create DateSurrogates Index. CREATE TABLE DateSurrogates (OrderDate Date CONSTRAINT pk PRIMARY KEY, Surrogate AUTOINCREMENT, DateKey Integer);. Create Date Key. INSERT INTO DateSurrogates

247 views • 13 slides