The important cause that ECMWF medium-term numerical forecast made errors in 1998 is that astronomical tide is not included in the model.
不考虑天文潮汐可能是1998年欧洲中期数值预报产生较大误差的重要原因。
Using ECMWF model winds, the relationships of ambiguity selection accuracy with azimuth Angle, incidence Angle and wind speeds are analysed.
本文利用ECM WF模式风场分析了风向多解消除的准确率与天线方位角、入射角以及风速的关系。
Using the ECMWF ensemble forecasting system as an example, a deterministic forecast case and a probability forecast case are discussed, respectively.
以欧洲中期天气预报中心的集合预报系统的控制预报和集合预报为例，对确定性预报和概率预报的情况分别进行了说明。
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