numerical weather forecasting 中文意思是什麼

numerical weather forecasting 解釋
數值天氣預報
  • numerical : adj 數字的;數值的;用數字表示的。 (a) numerical order 號數。 a numerical statement 統計。 the ...
  • weather : n 1 天氣,氣候;暴風雨(天氣)。2 (某種)時候;處境;狀況。vt 1 使暴露在風雨中;通風,晾乾,吹乾...
  • forecasting : (勞動力供求)預測
  1. ( 4 ) on the efficient method for the dynamical core of the new generation multi - scale forecasting model i ) we present a new multi - level sparse approximate inverse preconditnioner for the complicated 3 - d helmholtz equations in the new generation weather forecasting model. as a result, the new sparse approximate inverse preconditioned gcr and gmres algorithms are given and successfully applied in the dynamical core. numerical tests show that the new algorithms perform very efficiently, and can greatly improve the efficiency of numerical model

    對此,本文提出了一種基於逐層門限技術的近似逆矩陣稀疏模式預選方法,並構造了相應的稀疏近似逆預條件子,結合gcr演算法和g州[ r衛s演算法,首次將逐層門限稀疏近似逆預條件子應用於新一代多尺度預報模式動力內核的實際計算,數值實驗表明這里給出的方法可以大大提高數值模式的計算效率。
  2. The parallel implementing of spectral method in numerical weather forecasting

    數值天氣預報中譜方法的并行實現
  3. Research on the global spectral parallel computing of numerical weather forecasting

    數值天氣預報全球譜模式并行計算研究
  4. Research on technical innovation of numerical weather forecasting

    中國氣象數值預報技術創新研究
  5. The terrain effect force wind ' s speed reducing and wind ' s direction turning to left with contrasting the experiments of numerical simulation the text analyses the structure and microcosmic character of sea wind in zhoushan maritime space and consanguineous connection between sea wind and action of dynamical and thermodynamic. the task gets the result of case a by using t213 datum of weather center and contrasts it with the actual sea wind. the task establish a foundation in order to use this mode in the environmental forecasting

    通過數值模擬對比試驗,分析了舟山海域海面風的結構和微觀特徵,以及海面風與動力作用(復雜地形)和熱力作用(海陸熱力差異)之間的密切關系。進一步利用國家氣象中心提供的t213高解析度預報場檢驗海面風風場的數值預報效果,最後將其結果與實際觀測作比較,為將該模式投入環境(海流,海浪,風暴潮等)動力預報奠定基礎。
  6. This work aims at studying multi - scale structures of large - scale stratiform precipitating clouds typical of henan province of central - eastern china in spring and autumn drought periods of china, the potentials and techniques of artificial rain increase. through analysis of historical weather / climate and cloud physical data, developed are a number of multi - scale observational schemes including intensive observational items, and space / time resolutions of data for integrative field observations to obtain real - time measurements of the structures at large -, medium -, small - and micro - scale. from analysis of observed separate items, their integrative treatment and numerical simulation we place focus on case studies and their integration in investigating such structures of stratiform precipitating clouds over the target region, rainfall physical mechanisms and exploitation of artificial rainfall increase potentials, whereupon a conceptual model is constructed and a range of catalysis schemes are proposed to improve smaller - scale forecasting accracy and techniques for the rainfall increase, with the dominant results given below

    以地處中原、具有典型代表意義的河南層狀降水雲系為主要研究對象,在對該地歷史天氣氣候和雲物理等資料分析的基礎上,研究設計雲系多尺度觀測方案(包括加密觀測項目、觀測時空解析度) ,實施有設計的外場綜合觀測,獲取雲系結構多尺度(大、中、小、微)配套的實時觀測資料;通過對各種觀測資料的分項和綜合處理分析,以典型個例觀測和數值模擬分析研究為重點,綜合多個例分析,研究河南層狀降水雲系多尺度宏微觀結構特徵、降水物理機制和人工增雨潛力條件,建立典型層狀雲系人工增雨概念模型,研究科學的人工增雨作業技術系統。
  7. Based on the principles of scaling parallel computing and variational data assimilation, this dissertation systematically studies scaling parallel algorithms and parallel implementing technologies of adjoint models, and designs high performance scaling parallel computing adjoint models. the researches are aimed at the " military global numerical weather advanced prediction system " and the " national global and regional multiple scale advanced prediction system ", and the researches closely follow international parallel computing and numerical weather forecasting technology studies

    本文針對「十五」期間「我軍新一代全球數值預報業務系統」 、國家氣象局組織的「新一代多尺度數值預報系統」 ,緊跟國際并行計算和數值氣象技術研究前沿,基於可擴展并行計算和伴隨變分同化原理,研究伴隨模式可擴展并行演算法和并行實現技術,設計高效可擴展并行計算伴隨模式。
  8. To meet the practical requirements for distributed - memory parallel computing of numerical forecasting models, we study on the parallel characteristics of spectral element and finite difference methods. on this basis, we develop fast and parallel computations for three meteorologic models, including 2 - d shallow water equations, the new generation multi - scale weather forecasting model and the ocean general circulation model

    本文從氣象預報數值模式分散式存儲并行計算的實際需要出發,著眼于譜元素方法和有限差分的并行計算性能,研究了二維半隱譜元素淺水波模式、中國科學院大氣物理研究所第三代海洋環流模式和中國新一代多尺度預報模式等三個氣象預報模式的高效并行計算,設計實現了相應的應用軟體。
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