預測效率指數 的英文怎麼說

中文拼音 [xiàozhǐshǔ]
預測效率指數 英文
index of forecasting efficiency
  • : Ⅰ副詞(預先; 事先) in advance; beforehand Ⅱ動詞(參與) take part in
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • : 率名詞(比值) rate; ratio; proportion
  • : 指構詞成分。
  • : 數副詞(屢次) frequently; repeatedly
  • 預測 : calculate; forecast; prognosis; divine; forecasting; foreshadowing; predetermination
  • 效率 : productiveness; efficiency; productivity; workpiece ratio
  • 指數 : 1. [經] (比數) index number; index 2. [數學] exponent
  1. This thesis analyzes the mutual, complemental and fit relationship between technology 、 the corporate supply chain and organizational structure of a corporation in a comparably systematic and complete way based on the mode of integrated management by reviewing, analyzing and summarizing relative references. based on practical definitions of the concepts and variables appearing in the analysis of the relationship, investigative papers have been designed and possible development situations of technology 、 the corporate supply chain and organizational structure of different enterprises have been described in the way of determining the nature. by the statistics and analyses of the investigative papers, relativity, with the method of multi - linearity - regress analysis, and by investigating enterprises " performance in different dimensions and establishing a math mode of the relationship between

    本文在企業一體化管理模式的基礎上,通過文獻資料法對相關文獻進行回顧和總結分析,較系統和全面地論述了企業技術與組織結構、組織結構和供應鏈之間存在的互動、互補和匹配關系,對這一關系中的概念和變量進行操作化定義,設計出三者對應的標體系的調查問卷,定性描述在不同企業的技術、組織結構和供應鏈的發展狀況,通過對調查所得問卷進行統計分析,運用相關性分析和多元線性回歸分析等方法,實證調查企業在不同維度狀態下的績,建立企業技術、組織結構、供應鏈與企業的績之間關系的學模型,證明企業技術、組織結構、供應鏈和企業績存在一定的相關性,企業技術、組織結構和供應鏈三者之間的匹配關系可以影響和企業的績,只有當企業的各影響因素之間相互匹配的時候,企業整體運做的果將最好。
  2. Research area is characteristic of heterosphere obviously, which mainly manifests that distribution, thichness and extent of delelopping of sand body is not symmetrical. difference of transverse permeating rate is more 10 times than longitudinal permeating rate. the research indicates : the principle productive formation at this area is the member of h8x, h8s on the lower hezi formation that are good reservoir

    研究區儲層非均質性明顯,主要表現為砂體分佈不均勻、厚度不均,發育程度不一,滲透縱橫向差異均在10倍以上等;儲層發育較好的層段是山西組山1段,是本區的主要產層;神經網路技術對于儲層物性參是一種比較有的方法;儲層綜合評價對于儲層的評價具有一定的理論和現實意義。
  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相結合用於成礦中可大大提高工作的和可靠性。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、地質據和物化探據的綜合與復合分析,在一定成礦理論和學模型導下,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體系,不僅對研究程度較低的新區礦床有用,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. Then the paper investigated the regularity of different oil indices using time series statistical analysis method, which suggested that there are some regular components in it, including long - term secular trend, seasonal component and long - term cyclical component. the irregular component also plays an important part in it, mainly including the policy of opec, war, all kinds of international convention for the prevention of pollution from tankers and so on. and then a study of simulation and forecasting performance of arima time series model was conducted to crude oil indices, evidence shows that arima model performs better, especially for short - term forecasting

    在此基礎上,本文以時間序列分析作為基礎研究手段,以德國海運費公布的1980年1月至1999年12月的四類油運費為研究對象,分析了四類油運費的長期變化趨勢、季節變化規律、長期周期循環變化規律和不規則變化規律,並應用arima時間序列模型對160000dwt以上的原油運費進行了短期,取得了較好的果。
  5. The main achievement of this dissertation are briefly mentioned as follows : 1 account for the present situation of the pavement performance evaluation, expatiate on the connotations advantages and shortages of every existing methods of the pavement performance evaluation methods, and probe into its developing direction about the pavement performance evaluation, those establish a good foundation of new evaluation methods

    、強度系551與抗滑能力sfc實據為基礎進行模型建立,實現了對路面狀況標pci的;依據該方法可以對路面破損進行有針對性的調查,減少調查范圍,節約人力物力,提高工作
  6. At the present time the prediction method of attracting pest with black light and recognizing and counting by man is generally adopted. there are some serious shortages such as bad recognition accuracy and low efficiency. it reduces seriously accuracy and timeliness of prediction and is disadvantage in guiding insect disease prevention

    目前普遍採用的黑光燈誘集害蟲、人工識別計報方法,存在識別準確性差、低等嚴重缺陷,極大地降低了報的準確度和時性,不利於導農田害蟲的防治工作,因此本文提出了基於機器視覺和小波分析的圖像識別技術,用於農田害蟲的自動檢報。
  7. Thereafter, the fractal dimension value of cracks distribution was presented as an effective index to appraise the corrosion level. relations between fractal dimension and rebar corrosion ratio, concrete deterioration factor and strength of the member were studied respectively. fractal nn model was also built up to predict the ultimate load bearing capacity of crc members obtained from the field corroded structures, good results are achieved, which could provide an applicable method to evaluate the durability of crc members

    揭示出受腐蝕鋼筋混凝土構件在荷載作用下表面裂縫分佈服從統計意義上的分形,並對其進行了分形描述;提出以裂縫分形維作為受腐蝕程度的有衡量標,首次實現了構件受腐蝕程度的定量描述;建立了裂縫分形維與鋼筋銹蝕、混凝土劣化系、構件承載力之間的定量關系,並建立了分形神經網路模型對實際受腐蝕鋼筋混凝土構件進行了極限承載力的,取得了較好的果。
  8. Using the order - up - to ( out ) method and two demand forecasting patterns, that are exponential smoothing forecasting and moving average forecasting, we give the frequency response plot and the noise bandwidth figure with the help of the system control tool of matlab. we show that information sharing helps to reduce the bullwhip effect, especially at higher levels in the chain. however, the bullwhip effect problem is not completely eliminated and it still increases as one moves up the chain

    本文的重點內容就是用控制論的理論和方法來研究牛鞭應,應用補充到目標庫存策略( out )和兩種不同的需求方法,即平衡法和移動平均法,用matlab的系統控制工具箱作為分析工具,分別給出了信息共享情況下和無信息共享情況下的頻響應圖和帶寬比較圖,證明了信息共享能夠減弱牛鞭應,尤其是在供應鏈的高級階段,但牛鞭應並不能完全消除,仍舊隨著供應鏈階段的上升而增加。
  9. We use an address symbolic value propagation algorithm to derive possible address set that might be accessed by a memory instruction

    我們通過一種值及傳播演算法檢存儲器據相關。這種方法有助於提高與存儲器訪問相關的令的執行
  10. The problem of signal processing for direct - sequence code - division - multiple - access ( ds - cdma ) signal over multipath frequency - selective mobile channels is considered. a new blind receiver is proposed. without the knowledge of the multiple - access interference users spreading code and the channel characteristics, the receiver achieves blind detection with prior knowledge of only the desired users spreading code and approximate timing. by using reduced rank adaptive decorrelating filter and adaptive multipath combiner which is based on decision - directed algorithm, the receiver gets the ability to combat both fading and the near - far effect at low cost. simulation results demonstrate that the proposed receiver offers high performance

    本文研究多徑頻選擇性衰落通道下直接序列擴頻碼分多址( ds - cdma )信號的處理問題,提出了一種新型的盲接收機.該接收機不需知多址干擾用戶的擴頻碼,不需知通道參,只需已知期望用戶的擴頻碼和粗略的定時,就可以完成用戶的盲檢.同時,該接收機通過降維自適應去相關濾波和基於判決導的自適應多徑合併,來獲得低成本和良好的抗衰落、抗遠近應性能.模擬結果驗證了本文提出的接收機的優良性能
  11. This text from open the present condition of the exhibition engineering economic evaluation of the construction item to set out at home and abroad, to the engineering construction that this text mention investment item of the concept, scope carried on a define, the basic principle of basic characteristic, economic evaluation elaborated engineering construction an investment item, the classification discussed the time type, value type in the index sign system, ratio type an evaluation index sign in detail also, constucting investment item finance to evaluate to the engineering medium of the mathematics model in the estimate, finance of the foundation data evaluation, evaluate the accrual ability of index sign, item and liquidated ability and sensitivity to carry on analysis

    經濟評價的核心是考察分析工程建設投資項目的經濟益和社會益。本文從國內外開展工程建設項目經濟評價的現狀出發,對本文所提及的工程建設投資項目的概念、范圍進行了界定,闡述了工程建設投資項目的基本特性、經濟評價的基本原則,分類並詳細論述了標體系中的時間型、價值型、比型評價標,對工程建設投資項目財務評價中的基礎、財務評價中的學模型、評價標、項目的獲利能力、清償能力和敏感性進行了分析。
  12. On the basis of the calculating of complexity ( c value ) and combination entropy ( h value ) from the numerical method of geoanomaly analysis, logged signals data ( spontaneous potential, acoustic slowness, spontaneous gamma ray and electrical resistivity ) and seismic data ( amplitude, frequency, phase, etc. ) are processed after regularization of data obtained from linqing basin of shengli oil field. many types of geoanomalies obtained from the computation are analyzed so the spacial variation rules of them can be discovered. then the oil regions can be predicted by this method

    本文創新性地將地質異常概念引入油氣勘探領域,以地質異常理論為導,以勝利油田臨清坳陷油氣地質異常研究為例,針對我國陸相含油氣盆地的常規量、試和解釋據,如與地震相關的據(振幅、頻、吸收系、層速度等) 、與井相關的據(自然電位、聲波、視電阻、自然伽馬等)等,提取不同據類型的地質異常以及異常組合特徵,通過對這些參的綜合研究分析其空間變化規律,系統地建立有油氣藏的新技術和新方法,進而達到區域油氣資源的研究目的。
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