A comparison of manual and semi-automatic methods of digitizing analog wind records
收藏NOAA Institutional Repository2026-02-11 更新2026-04-25 收录
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资源简介：
Two methods for obtaining digitized hourly wind data from an analog wind trace are described and compared. The first method is a manual one. Hourly averages of wind direction and speed are obtained by manual inspection of the wind trace. Hourly averages are then key punched onto data cards and stored on magnetic tape. The second method is more automatic. The CALMA model 302 digitizer is used to trace over the analog wind trace and store digitized wind data at 0.01 inch intervals on magnetic tape. Hourly wind averages are then produced from this digitized data through a series of four data reduction programs, and the resulting hourly averages are stored on magnetic tape. Glenn E. Rasch. Includes bibliographical references (page 6).
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NOAA
创建时间：
2026-02-11
