first-guess model 中文意思是什麼

first-guess model 解釋
初始假想模型
  • first : adj 1 最初的,最早的。2 最上等的,第一流的。3 基本的,概要的。4 高音(調)的。n 1 最初,第一;第...
  • guess : vt 1 推測,猜測。2 猜對,猜中(謎等)。3 〈口語〉以為,相信。vi 猜 (at); 推測。 guess at a ridd...
  • model : n 1 模型,雛型;原型;設計圖;模範;(畫家、雕刻家的)模特兒;樣板。2 典型,模範。3 (女服裝店僱...
  1. Observations obtained from overseas sources as well as from local networks are decoded and quality - checked for doubtful or erroneous data. short - range forecast fields i. e. 3 - hour forecast from 20 - km inner model and 6 - hour forecast from 60 - km outer model from the previous model run are used as first - guess or background in assimilating the latest observational data. objective analyses are then carried out and currently a three - dimensional optimal interpolation method is used to prepare the initial fields for the model forecast

    天文臺從海外及本地網路取得觀測資料,經過譯碼后,便會進行質量控制檢查,把可疑和錯誤的數據剔除,然後利用上一次模式運行所得出的短期預報場,即20公里內模式的3小時預報及60公裡外模式的6小時預報,作為初估背景場,再注入最新觀測數據,進行客觀分析,以得出模式預報的初始場。
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