<論文>気象衛星(NOAA)画像の処理 : 地図化の試み

概要

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The authors are receiving APT (Automatic Picture Transmission) pictures from NOAA series polar orbiting weather satellite. The satellite is operating in a Sun-synchronous orbit. But because the number of orbits per day is not an integer number, the Sub-orbital tracks do not repeat from day-to-day although the local solar time for passing any latitude is essentially unchanged. The area viewed by the satellite changes in every orbit and geographic references for the APT picture are then changed in every day. In a case of tracing the movement of a typhoon or weather fronts etc, for examples, it is necessary for one to examine the picture acquired every day. But because of the above reasons, this procedure is difficult to perform. In order to avoid these difficulties, the authors tried to convert the NOAA APT pictures by using standard mapping procedures. They describe Mercator, Polar Stereographic and Azimuthal equidistant projections of NOAA images.
宇部工業高等専門学校の論文