refinement of data 中文意思是什麼

refinement of data 解釋
數據提純
  • refinement : n. 1. 精煉,提煉,提純,純化,精製;凈化;純凈,精美。2. 高尚,優雅;改善。3. (思想、推理、議論等的)精密,微妙;細微的區別;極致。
  • of : OF =Old French 古法語。
  • data : n 1 資料,材料〈此詞系 datum 的復數。但 datum 罕用,一般即以 data 作為集合詞,在口語中往往用單數...
  1. According to in - situ construction real time observation and inverse analysis results, refinement numerical artificial analysis on a group of headrace tunnels was conducted and influence of different construction schemes and support parameters on rock mass deformation and failure behavior were researched to provide quantized data and technical aid for project construction decisions

    基於跟蹤施工的現場實時觀測和反演分析結果,對引水發電洞群進行了精細化數值模擬分析,研究了不同施工方案和支護參數對巖體變形、破壞特性的影響,以便為工程的施工決策提供量化資料和技術支持。
  2. Many test cases are calculated to verify the above study. the cases are either real or standard testing models, including multi - element airfoil, wing - body configuration, cone / cylinder missile model and 3 - d high - lift systems, etc. the results of present calculation are in good agreement with experiment data, and show flexibility and accuracy of the approaches. base on the cartesian grids, this thesis has targeted the development and integration of many algorithms and techniques such as adaptive refinement, omni - tree data structure, hybrid grid method, etc. an analysis software and research methods are designed and developed for the steady - unsteady and viscous - inviscid flow complex systems and configuration

    7 .運用上述研究成果和結論,進行了大量算例的實驗驗證,外形范圍包括多種標模與型號,涉及多段翼型、 m6機翼、細長體模型、翼身組合體、兩段機翼增升標模、帶縫翼和襟翼的三段增升翼身組合體等復雜外形,計算結果均與實驗吻合良好,充分說明了本文發展的各種演算法、流場求解、網格生成方法的正確性和魯棒性。
  3. Firstly, the notion of the form as a = > b [ s %, c % ] is researched and some algorithms are discussed. an algorithm named a progressive refinement approach to spatial data mining is discussed in detail. and a new thought of mining spatial association rule based on spatial data cube is brought forward

    闡述了a = > b [ s , c ]形式的空間關聯規則的基本概念和演算法,詳細研究了一種逐步求精的空間關聯規則挖掘演算法的實現;提出一種基於空間數據立方體的空間關聯規則挖掘的新思路;將空間統計分析引入空間關聯規則挖掘領域,研究了空間權重矩陣、空間自相關、空間關聯等的度量函數,並利用空間統計分析技術發現空間相關關系和空間關聯規則。
  4. In modern aircraft design, there is an urgent requirement for accurate, efficient and easy - to - use numerical analysis tools. for this purpose, this thesis introduces recent progress in the generation and application of cartesian grid with tree data structure and adaptive refinement. coupled with hybrid grid techniques, euler and navier - stokes equations are solved

    本文針對現代飛行器設計中對實用、高效、準確的氣動力分析工具的迫切需求,基於叉樹數據結構,發展了一種自適應直角切割網格方法,採用混合網格技術,實現了對流場euler和navier - stokes方程的計算求解,進一步完成了復雜增升裝置繞流和外掛物分離投放非定常流場的數值模擬。
  5. Based on tree data structure, the cartesian grids about 2 - d and 3 - d configurations are generated using the surface - cutting procedure. in the course of grid generation, a two - step ray - casting algorithm to excluded cells inside the body and a cell - merging technique to avoid numerical instability are fully developed. after creating these surrounding grids, the cell - cutting algorithm is designed to perform geometry - based refinement of grids, and greatly improve the applicability and quality of grid generation

    採用物面切割,基於叉樹數據結構,發展了一種普遍適用於二維和三維外形的直角切割網格生成方法;構造兩步射線求交演算法,刪除外形內的固體網格,以及小網格合併演算法,確保網格質量和流場計算的穩定性;運用對任意網格的切割細分演算法,實現了針對幾何外形的自適應網格加密,使得網格生成更具普適性和靈活性。
  6. Chen, t. y., 1987. 05, ” finite element model refinement using modal analysis data, ” ph. d. dissertation, the university of texas at arlington

    鄔詩賢、陳定宇、林忠志, 1989 . 06 , 「設計參數對自然振動頻率之影響-頻率靈敏度分析, 」金屬工業中心委?研究計劃報告
  7. Information has become a refinement of data but without the context surrounding that information ? how can we get to knowledge

    信息成為了沒有上下文的再次加工數據? ?我們怎樣得到知識?
  8. The specifications are realised through the use of a combination of function decomposition strategies, data refinement techniques, and off - the - shelf refinements based upon higher - order functions

    通常通過組合幾個高階函數來實現,這些函數作為編寫高水平程序的基本組成模塊。并行化執行大量演算法的系統方法。
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