data prediction method 中文意思是什麼

data prediction method 解釋
數據預測方法
  • 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...
  • prediction : n. 1. 預言,預告。2. 被預言的事物。3. 【氣象學】預測,預報。
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. The strip method was applied to the motion prediction of the monohull. the time range solutions of heave and pitch were obtained in the condition of head sea to provide the primary data on panoramic simulation

    本文利用切片法對0371g艇加裝縱向組合減搖附體前後的運動進行預報,取得了迎浪狀態下升沉和縱搖的時歷解,為視景模擬提供原始數據。
  2. The s - l - e experiment data for the eight binary condensed systems of fatty alcohol / fatty acid were treated by using the improved equation, and the equation was examined with experimental data. at the same time, we used ideal model to predict the tenary s - l - e of n - octadecane / lauric acid / stearic acid system, and we got an accurate result of the simple eutectic temperature. the relative error is 0. 51 % comparing with the experimental result, so we will offer a method of prediction for quickly obtaining multicomponent system phase change materials this article calculated the pcms quantities and energy saving effect in theory, designed the experimental apparatus to measure the energy saving effect, and analyzed the temperature equalization action of the pcms by comparing experiment

    利用這種方法,建立了適合醇-羧酸等系列二元體系的單參數margules方程,本文對醇-羧酸系列等8個二元凝聚體系的單參數margules方程的參數進行回歸,並利用整個實驗數據對模型進行了檢驗,另外,本文利用理想狀態模型對一個三元體系18烷-月桂酸-硬酯酸相圖進行預測,通過與實驗數據進行比較,預測的低共熔溫度與實驗測定溫度較為吻合,其相對誤差為0 . 51 ,這將為快速獲取多元體系的相變材料提供預測方法。
  3. The efficiency and reliability of minerogenetic prediction can be improved by combining rs with gis. we processed rs images, extracted the geological information related to mineralizing, such as geology, structures, stratam, rocks, etc, synthetically analysed remote sensing, the geological data and geo - chemistry, under the guidance of the theory and mathematic model, set up gis mineralize model. on this condition, to develop this method and its theory, and to establish a system of perfect prediction, it is not only useful in studied degree area but also favorable for looking for new type and some form large - scale deposits in old studied area, and it has a great theoretical meaning

    遙感與gis相結合用於成礦預測中可大大提高預測工作的效率和可靠性。通過對研究區的遙感圖像處理和地質、構造、地層、巖石、礦化蝕變等有關信息的特徵提取、遙感、地質數據和物化探數據的綜合與復合分析,在一定成礦理論和數學模型指導下,建立gis綜合找礦模型。在此基礎上,發展這一方法及理論並建立完善的預測體系,不僅對研究程度較低的新區礦床預測有用,而且對研究程度較高的老區尋找新類型和點狀大型、超大型礦床都具有重要理論意義和實際意義。
  4. This paper researches the basic statistical rule of oil - gas dynamic system from the systematic theory, combining with the common characteristic and structure characteristic of oil - gas dynamic system, taking the design requirement of oil field development programming into consideration, by using of functional simulation principle ( including nn method, differential simulation method ) and historical data of oil field, establishes the in - out conjunctional relationship of dynamic index of oil field development, and researches the two level index prediction of development dynamic with both oil field and oil production plant on the basis of the in - out conjunctional relationship. furthermore, this paper analyzes the " decision - making variable ", " object " and " restriction terms " by the optimization theory and set up several optimal models which compose the oil field development programming, it is following : optimization model of the production composing ( solving the optimal composing of each subentry production and cor responding cost, workload, including the onshore thin oil production, the heavy oil thermal process production, tertiary oil recovery production, and the offshore production ) ; optimization model of measure production structure ( determining the optimal composing of each measure production and measure workload, which is composed of fracture, acidulation, capital repair and so on ) ; optimization model of the production distraction ( optimal distribution of the whole oil field production to each oil production plant ) and the integrated development programming model of oil field

    本文從系統理論出發研究油氣動態系統基本統計規律,結合油氣動態系統的一般特點,結構特點,兼顧油田開發規劃設計的要求,利用功能模擬原理(含神經網路方法、微分模擬方法) ,依據油田歷史數據,建立了油田開發動態指標間的輸入輸出關聯關系,並在此輸入輸出關聯關系的基礎上研究了油田及採油廠兩級的開發動態指標預測,同時利用最優化原理,在分析「決策變量」 、 「目標」及「約束條件」的基礎上建立了多個構成油田開發規劃的「優化模型」 ,這些優化模型包括:產量構成優化模型(解決陸上稀油產量、稠油熱采產量、三次採油產量、海上產量及對應的成本、工作量的最優構成問題) ;措施產量結構優化模型(解決壓裂、酸化、大修等各項措施產量及措施工作量的最優構成問題) ;產量分配優化模型(將油田的產量最優地分配到各採油廠)以及油田綜合開發規劃模型。
  5. As to planar visco - elastic prediction of settlement, this paper fixes on range of the back - calculation parameters range, analyzes back - calculation parameters which are indispensably in the course of anti - analysis. since it is difficult to acquire the optimization result in simultaneous back - calculation, this paper puts forward a calculation method which combined with investigation data and field experiment data to minimize the parameters to get optimization

    ( 2 )針對二維粘彈性沉降預測,確定了模型反演參數的取值范圍,對于多層軟土地基變量同時反演很難獲得最優解的問題,提出結合工程勘察和現場實驗以減少參數的方法獲得最優解。
  6. We investigate finer time scale statistical properties of this traffic, including burstiness, periodicity, and synchronization. utilizing the data gathered by our simulator, we compared the results with our prediction, after that, we investigated the root cause of a specific networking traffic pattern, under various network configuration and policies. the importance of our work is not only analyzing the cause of each traffic pattern, but also providing a beneficial formal method for future research

    在實驗結果的分析過程中,我們根據當前流行的網路拓撲建立了模擬路由試驗環境,特別針對lsa的突發性、周期性和同步流量的時域特徵進行了觀察,不僅探究了三種重要lsa流量的發生機理以及這些流量的變化對整體路由效率的影響,比對了我們的預測與最終的實驗結果,深入研究了統計圖表裡各種異常情況的成因和路由協議採用不同演算法和策略以後對整體路由環境的影響。
  7. At the part of empirical study, this paper chooses 124 a - stock listed companies from stock exchange of shanghai and shenzhen as research samples, makes use of the step method to filter the 13 possible variables ( including 3 debt - paying ability indexes, 3 operating ability indexes, 4 profitability indexes and 3 cash flow indexes ) in analysis and finally sets up discrimimant models by fisher discrimimant rules with the samples " financial data. then this paper validates the stability of these models using the self - validation and cross - validation before analyzing the prediction ability of these models with outside - validation

    實證研究部分主要以我國深、滬兩市124家上市公司為研究樣本,採用上市公司1998年至2001年的實際財務數據,運用逐步判別分析方法對擬進入模型的13個變量(包括3個償債能力指標、 3個經營能力指標、 4個獲利能力指標及3個現金流量指標)進行篩選,並根據fisher判別準則建立判別模型,在運用自身驗證法與互動式驗證法對模型的穩定性加以驗證后,運用外部數據驗證法對模型的預測能力進行了分析。
  8. It is very important to estimate the basic parameters in helicopter preliminary design. neural network ( nn ) has the advantages in estimating accuracy and generalization over traditional methods. however, there are some difficulties in using nn, e. g., how to select a proper network structure and the number of hidden layers. in this paper, structure and connection weight of a three - layer nn are optimized by genetic algorithm, and the optimized network is applied to helicopter sizing. the proposed method can not only give an optimal nn structure and connection weight, but also reduce the prediction error and has the capability of self - learning when the latest data are available. furthermore, this method can be easily applied to helicopter design systems

    在直升機初步設計階段估算其基本參數是很重要的.神經網路的通用性和精度比傳統的估算方法有更多的優勢,但是在應用神經網路時存在如何選擇合適的網路結構和隱層節點數目等一些困難.應用遺傳演算法優化三層神經網路結構和連接權重,並將優化得到的網路應用於直升機參數選擇中.該方法不但可以給出一個最優的神經網路結構和連接權重,而且降低了估算誤差,具有及時應用最新數據學習的能力.此外,該方法易於在直升機設計系統中得到應用
  9. Multi - strategy means as follows : utilizing classifying data mining methods based on decision tree to analyze the data in grade database. a grade decision tree is generated to show directly a position of grade according to different computing methods and to support estimate. at the same time, utilizing classification method based on summing - up principles to do such things as grade query analysis and prediction and contrast analysis to realise automatic generation of grade analysis report, test paper ’ s quality assessment report and quality analysis table which plays an active role in improving teaching and test paper ’ s quality

    這里多策略主要是指:採用基於決策樹的分類挖掘方法,對學生成績庫中數據進行分析,生成學生成績決策樹,能直觀顯示出某一成績在不同等級計算方式中所處的位置,為教學部門提供評價信息;同時採用基於總結規則的統計分析方法,完成不同情況下的成績查詢、預測及對比分析,實現學生成績分析報告、試卷質量評價報告及質量分析表的自動生成。
  10. This paper introduced a much more precise sampling method using cpu hardware performance counters ( chpc ) to provide cpu data like instruction cycles, cache misses, branch prediction, and so on, and given detail scene of software status

    摘要引入了基於cpu硬體性能計數器的性能數據採集和分析方法,從軟體運行時刻的細粒度參數入手分析軟體運行時刻的性能表現,從而更為準確地反映系統實際的動態運行狀態。
  11. Then, probability prediction model of durable life is founded. through discussing the probability characteristics of influencing factors, the law of durable reliability is analyzed, and the prediction method is validated by the experimental data

    建立了基於規定可靠指標的混凝土耐久壽命的隨機預測模型,通過探討影響因素的概率分佈,分析了耐久可靠性的發展規律,運用工程實際檢測數據對本文提出的耐久壽命方法進行了驗證。
  12. Some hardware are used to construct data acquisition system, virtual instrument are used to compile data processing programs. just as expected, according to standard of iec61400 - 13, some diagram and curve are depicted in the end of dissertation, and program can provide life prediction method of wind turbine from damage theories in the end of dissertation

    疲勞載荷測試系統通過一定的硬體系統採集相關數據,在數據分析方面使用虛擬儀器軟體進行數據處理,使用功能強大的labview軟體編程,得到iec61400 - 13標準中所要求的曲線和圖表,最後根據損傷理論得到機械部件的疲勞載荷譜和疲勞壽命的估算方法。
  13. In the economical prediction method, markov s forecasting technology does not need the massive historical data but only needs the short - term data which will be possible to forecast the future

    摘要在經濟預測方法中,馬爾可夫預測技術不需要大量的歷史數據,只需近期數據即可預測未來。
  14. This method firstly divides the initial data array into two groups properly and carrys on grey modeling to two groups separately ; secondly utilizing the moving operator, gets the prediction value of two data arrays with grey model separately ; lastly, adopting proper datum merge way, makes two group prediction data merge together and gets final initial data prediction value

    該方法是,首先將原始數據序列適當地分成兩組數據序列,並且對兩組數據序列分別進行灰色建模;然後利用平易運算元,分別用灰色模型求出兩數據序列的預測值;最後,採用適當的數據融合辦法,將兩組預測數據進行融合得到最終的原始數據序列的預測值。
  15. In order to improve efficiency of scientific data storage and transportation, scientific data compression rate prediction method based on genetic algorithm is proposed, and association rule is used to evaluate its training result to find out whether the method is applicable to certain given scientific data

    為了提高科學數據存儲和傳輸的效率,本文提出一種基於遺傳演算法的科學數據壓縮率預測方法。為檢驗本方法對給定的科學數據的效果,關聯規則被用於科學數據壓縮率預測的訓練結果評估。
  16. This thesis discussed two important topics in the biological sequence analysis. safss and data mining method for protein secondary structure prediction are of importance, which lay the foundation for the further research for author

    本文的研究內容是生物序列分析中兩個重要課題,研究中提出的safss比對方法和基於序列模式挖掘的蛋白質二級結構預測方法具有一定的研究意義,為作者進一步進行序列分析研究奠定了基礎。
  17. Study on prediction method of coal seam thickness using seismic data frequency domain and its application

    地震資料頻率域預測煤層厚度方法研究及應用
  18. Based on theoretical analysis, experimental and field test data, the method of durability evaluation and service life prediction of reinforced concrete structure exposed to chloride environments are studied in the paper

    論文採用理論分析與工程實測和試驗數據分析相結合的方法,圍繞氯腐蝕環境混凝土結構的耐久性和壽命預測進行了系統的研究。
  19. As an important method and technique, prediction has been widely applied in many areas. with the increasing amount of data, prediction from huge database becomes more and more important. based on the basic principle of vector machine and implement arithmetic, a prediction system infrastructure on an air company is proposed in this paper. lastly, the rules of evaluation and selection of the prediction models are discussed

    預測是很多行業都需要的一項方法和技術,隨著數據積累的越來越多,基於海量數據的預測越來越重要,在介紹支持向量機基本原理和實現演算法的基礎上,給出了航空服務成本預測模型,最後對預測結果的評價和選取情況進行了分析。
  20. Improvement of autoregressive prediction method based on data row transformation

    基於數據列變換的自回歸預測方法的改善
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