forecasting model 中文意思是什麼

forecasting model 解釋
預測模型
  • forecasting : （勞動力供求）預測
  • 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. Sand - dust storm forecasting model based on svm

    的沙塵暴預測模型
  2. The task selects the up to the minute mesoscale numerical model as our forecasting model and use thrice fixed nesting and terrain datum of down to dale ( highest precision data of 30s ) as our terrain datum in the endothecium

    本文選擇了當今最為先進的中尺度數值模式mm5v3作為數值預報模式，採用三層固定網格嵌套，選用其最新提供的30s高精度資料作為內層重點考察小區的地形資料。
  3. ( 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。
  4. The development of atmosphere science, especially the numerical meteorologic forecasting model, and the parallel computing are closed linked

    大氣科學尤其數值模式的發展進步與并行計算息息相關，這一點已經成為氣象預報和并行計算兩個領域的共識。
  5. When dynamic structure of system is stabile relatively, a macro adjusting and forecasting model of system cloud gray is proposed, and its solution is investigated

    在系統動態結構相對穩定的條件下，結合系統動力學和系統雲灰色模型，提出了一種系統雲灰色宏觀調控預測模型，並對該模型的求解方法進行了研究。
  6. A kind forecasting model with cyclic fluctuation and its application

    含周期變動項的預測模型的建立與應用
  7. It is proposed that the fixed capacity investment and cargo discharge regression forecasting model and the optimal average information customer distribution model can be used to predict the cargo o - d distribution. the capacity limitation dynamic increment comprehensive network model can be applied to the prediction of the channel cargo transportation discharge and the turnover discharge in the main courses. the main courses network plan grade can be verified by the total cost method, and according to which the economic rationality of constructing different grade channels can be evaluated

    本文開展了平原水網地區航道網規劃方法的研究，提出了採用固定資產投資完成額與貨運量回歸預測模型；平均信息量用戶最優分佈模型預測貨物o - d的分佈；容量限制動態增量綜合網路配流模型預測干線航道貨物運輸量和周轉量；採用總費用法論證干線航道網規劃等級，據此評定建設不同等級航道的經濟合理性。
  8. First, the characteristic of flight segment volume is analyzed, existing model selection method is discussed, forecasting model selection method based on support vector machine is described

    首先，本文分析了航段運量特點，討論了現有模型選擇方法，在此基礎上闡明了基於支持向量機的航段運量預測模型選擇方法。
  9. Three kind of forecasting model and their application in the system of " air flight scheduling & optimizing management simulator " are presented and evaluated. the result indicates that the method has the good effect in model selection for forecasting of flight segment volume

    同時，針對「航班計劃及其性能優化管理」系統中的三種預測模型進行了實驗，結果表明該方法在航段運量預測模型選擇方面具有較好的效果。
  10. Grey forecasting model provides a method to forecast a system in which there are both known information and uncertain factors

    摘要灰色預測法是一種對既含有已知信息又含有不確定因素的系統進行預測的方法。
  11. Dual forecasting model of sand - dust storm based on the lattice position field data

    基於格點場數據的沙塵暴雙預報模型
  12. In this paper, the power transformer interior fault diagnosis technique based on the dissolved gas in oil analysis and the principles of genetic algorithm are analyzed. the forecasting models for power transformer interior fault are proposed based on the grey prediction model. the genetic algorithm is applied to estimating optimum coefficients of this forecasting model

    本文對基於變壓器油中溶解氣體分析（ dissolvedgasesanalysis ，簡稱dga ）技術的大型電力變壓器內部故障診斷技術和遺傳演算法原理進行了深入的分析，首次將灰色預測理論引入到大型電力變壓器內部故障預測工作中，運用遺傳演算法實現預測模型的優化，建立了基於遺傳演算法的變壓器內部故障改進灰色預測模型。
  13. The mid - term price forecasting model in electricity market using mpmr

    基於最小最大概率回歸方法的中長期電價預測模型
  14. The key atmospheric circulation factors and corresponding key periods, which were significantly related to incidence area rate anomaly of wheat stripe rust, were selected to establish forecasting model which can predict the incidence area rate anomaly of wheat stripe rust

    從這些值中選出與全國小麥條銹病發病面積率距平相關顯著的關鍵時段關鍵環流因子，建立了全國小麥條銹病發病面積率距平預報模型。
  15. This paper presents a forecasting model of runoff to wuyandong subterranean stream system by bp ann based on the data of precipitation and flux in luota, west hunan

    摘要採用湖南洛塔地區屋檐洞地下河系統降水徑流資料訓練bp人工神經網路，建立了該系統的徑流預測模型。
  16. Flood forecasting model based on improved recursive least square method

    基於遞推最小二乘改進演算法的洪水預報模型研究
  17. A short - term forecasting model on the population of baotou

    包頭市人口數量短期預測模型
  18. The forecasting model of river ice melting day in heilongjiang

    黑龍江開江日期預報模型
  19. The paper accounts the importance and the necessity of the forecasting research to the stock return volatility of our country, and the use in practice of the forecasting about the stock return volatility, firstly, stock market of our country is divided into large scale stock 、 middle scale stock and small scale stock on the basis of stock size. secondly, according to the basic method of the mathematical statistics ， the behavior of the return volatility about single stock is described by using the model of the rolling variance estimates 。 through the relation of daily returns volatility and weekly returns volatility and the forecasting accuracy of the volatility forecasting model to various stock scale ， we do practical analysis with the forecasting research to return volatility of single stock market

    在個股收益波動性的可預測性研究方面，首先按市值規模大小將我國股票分為大盤股、中盤股和小盤股，然後利用數理統計的基本方法，用滾動樣本方差估計模型描述個股市場收益波動性的行為，並對三種股票日收益率序列及周收益率序列波動之間的關系以及波動預測模型對各種股盤的預測準確性進行了實證分析和結果檢驗。
  20. To the forecasting research of a stock multiple market and b stock multiple market, beginning with garch model of the stock return rate and the volatility, we discuss the multiple market diagonal portfolios strategy on the foundation of the forecasting research to the return volatility of the stock by using asymmetric garch and bekk model which are the deformations of garch model, and finally, we construct the portfolios by way of the selection of volatility forecasting model

    在綜合市場股票收益波動性的可預測性研究方面，著眼于a股綜合市場和b股綜合市場，對其收益波動性的可預測性研究，主要從股票收益率與波動性的garch模型入手，並用其變形?非對稱性garch模型及bekk模型對我國a股綜合市場和b股綜合市場收益波動性進行可預測性研究，在此基礎上，探討了單變量對角投資組合戰略和多變量對角投資組合戰略，最後通過波動預測模型的選擇來構造投資組合。
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