prediction principle 中文意思是什麼

prediction principle 解釋
預測原理
  • prediction : n. 1. 預言,預告。2. 被預言的事物。3. 【氣象學】預測,預報。
  • principle : n. 1. 原理,原則。2. 主義;政策;〈常 pl. 〉道義;節操。3. 本質,本體,根源;本原,源泉。4. 本性,本能;天然的性能;天賦的才能;動因,素因。5. 【化學】素,要素;精。
  1. Thus this paper puts forward the dynamic time series period analysis and prediction model. it combines the basic principle of the stepwise regression period analysis to the multiplayer - transfer method. it can not only effectively select every latent period of a time series, but also take advantage of the selected latent periods to make a long - term prediction

    因此本文提出了動態時間序列周期分析預測模型,它是將多層遞階方法與逐步回歸周期分析的基本原理相結合,使之既可以有效地選取時間序列的各個隱含周期,也可以利用所選取的隱含周期作較長的時間預測。
  2. 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。
  3. The nonlinear filtering for nbi estimate - subtract assumes that the prediction error is dominated by spread spectrum signal and the background noise power is far below spread spectrum chip power, this assumption promises the low error ratio of chip decision but may not be attainable to digitalized dsss receiver in military communication environment, and does not coincide with the principle of dsss communication that decreases bit error ratio ( ber ) depending on spread spectrum gain, not on chip power

    在干擾估計抵消濾波中,以往的非線性濾波要求干擾抵消濾波后擴頻信號功率遠大於殘余噪聲功率,進而假設碼片判決的誤碼片率基本為零,這一要求對軍用擴頻通信是不利的,而且也不符合擴頻通信利用擴頻增益降低誤碼率的原則。
  4. Based on the analysis of the characteristics of the raw mix slurry preparing process in alumina sintering production process, firstly, a mechanism model based on material balance principle was established as the master - rule model for the quality prediction ; secondly, considering the problem that the alkali liquor composition was unstable and its real - time measurement was difficult, a nn ( neural networks ) prediction model for the prediction of the alkali liquor composition was set up and nesting - integrated with the mechanism model ; finally, using the gray theory for the information mining from the errors of the mechanism model, a gm ( 1, 1 ) compensation model was put forward and parallel - connection - integrated with the mechanism model, achieving a raw mix slurry quality prediction model

    摘要針對燒結法氧化鋁生產過程中生料漿配料工藝的特點,根據物料平衡的原理建立機理模型,作為生料漿質量預測的主規律模型;針對堿液成分波動大且難以實時檢測的問題,對堿液成分含量建立了神經網路預測模型,並和機理模型進行嵌套集成;利用灰色理論對機理模型的偏差數據進行信息挖掘,建立了gm ( 1 , 1 )補償模型,並與機理模型進行並聯集成,獲得生料漿質量預測模型。
  5. Based on perspective model, it was proposed that drawing camera inner parameters with physics method ; in image processing, especially the particularity of robot object localization and tracking, it was proposed that several effective methods of image smoothing and sharpening, edge detection, boundary tracking ; at the same time, in order to complete object recognition, we introduced the methods of drawing object character parameters ; in object image matching, two kinds of effective object matching arithmetic was proposed ; based on the principle of object 3d information restoration, we proposed two kinds of arithmetic of 3d coordinate restoration of object feature points, and completed object movement parameters estimate and object tracking and prediction, and presented experimental result

    以透視成像模型為基礎,提出了用物理方法來提取攝像機內部參數;從圖像處理角度出發,針對機器人目標定位與跟蹤的特殊性,提出了幾種行之有效的圖像平滑、銳化、邊緣提取以及邊界跟蹤的方法;同時,為了完成目標的識別,介紹了目標特徵參數的提取方法;在目標圖像匹配上,提出了兩種快速有效的目標匹配演算法;基於目標深度信息恢復原理,提出兩種目標特徵點三維坐標恢復的方法,同時完成了目標運動參數估計和目標的跟蹤與預報,並最後給出了實驗結果。
  6. In this paper the principle is borrowed to construct dls - icbp which realizing great improvements in prediction

    本文借用該原理實現了dls - icbp在時間序列預測上的顯著改進。
  7. Principle and application of jsg - 8 coal mine spontaneous combustion prediction and monitoring system

    8型井下煤自然發火預測預報監測系統原理及應用
  8. The main research contents of the physical design include : presenting the domestic and international status of space weather and expanding on the need and the importance about the space weather forecast ; sorting the disastrous space weather and discussing their effects and adapted prediction methods ; analyzing the solar disturbing resources of space weather and the precursor or concomitant phenomena of solar eruption based on the newest observational results ; probing into the radiation principle of solar short - wave ray and presenting the computing methods about solar continuum and line spectrum radiation ; extrapolating physical methods of reconstructing the temperature and the emission measure of coronal plasma ; argumenting the effective observing spectrum for space weather empirical forecast and space weather numerical forecast

    物理設計的主要研究內容包括:分析目前國內國際空間天氣預報的發展現狀及開展空間天氣預報的必要性和重要性;分類討論了災害性空間天氣的種類、影響及目前國際上的預報方法:分析了空間天氣太陽擾動源及擾動源爆發的先兆現象或者伴生現象;討論了太陽短波輻射線譜和連續譜輻射強度的計算方法:推導了利用望遠鏡多波段的觀測結果反演日冕等離子體溫度、發射量等參數的物理方法:論證了開展空間天氣經驗預報和發展數值預報有效的成像譜段。
  9. After studying the prediction method and considering the complex, random and nonlinear factors that affect the demand load of heating, the ann technology is adopted. different from the general analysis in technology and economy, it is for the first time to combine the prediction in method of artificial neutral network with optimization in use of dynamic planning principle for the running analysis of the electric boiler

    考慮到影響供熱採暖需求負荷的因素復雜且具有隨機性和非線形性,在對預測理論進行研究和對各種預測方法進行比較后,本文首次將基於人工神經網路的負荷預測與基於動態規劃原理的優化方法相結合,用於蓄熱式電鍋爐系統的經濟運行策略研究。
  10. Using the complex potential method in the plane theory of elasticity of an anisotropic body, the series solution of finite anisotropic thin plate containing an elliptical inclusion is proposed with the help of faber series. a hybrid element with an elliptical inclusion for anisotropic materials is obtained by using the hybrid variable principle, and the element efficiency is verified by numerical examples. the state of the damage is modeled by an elliptical soft inclusion, and using the point stress criterion based on characteristic curve and yamada - sun etc. criteria, the prediction of the strength of a composite laminate with damage is set up

    首先基於經典層板理論,將復合材料層板的彈性問題化歸為均勻各向異性板來求解;採用各向異性體平面彈性理論中的復勢方法,以faber級數為工具,給出了有限大含橢圓核各向異性板彈性問題的級數解形式;利用雜交變分原理,成功導出含橢圓核各向異性板雜交應力有限元,並用算例驗證了該單元的可行性和有效性;採用含剛度折減橢圓形彈性核的沖擊損傷模型,引入基於特徵曲線和yamada - sun破壞準則的點應力判據,建立了含損傷復合材料層板剩餘強度的分析方法;通過數值計算詳細討論了各種幾何參數對損傷層板應力分佈、剩餘強度的影響,得到了一系列對工程應用具有實用價值的結論。
  11. Abstract : applied the principle of electromagnetic interference prediction, interference multi - predictions are made to solve the frequency spectrum administration in accordance with collective using radio sets in integrated communication command system. this paper obtains the frequency interval between radio sets making sure the electromagnetic compatibility

    文摘:應用電磁干擾預測的原理,針對一體化通信指揮系統中,多部電臺集中使用所帶來的頻率管理問題,進行了干擾多級預測,得出了保證電磁兼容性系統各電臺之間應滿足的頻率間隔,提出了通信網中通信頻率方案。
  12. Sequence stratigraphy can contribute directly to the exploration of subtle traps. it is effective to increase the precision of stratigraphic correlation, therefor to enhance the reliability of subtle traps prediction, stratigraphic correlation approaches using in this paper based on principle of stratigraphic base - level cycles developed by t. a. cross, which are well tested in shallow marine and coastal plain strata. utilizing core, drilling, logging, seismic data and other information, the paper focus on recognizing the stratigraphic cycles formed by multi - order base - level cycles, establishing the stratigraphic correlation framework, researching on the distribution of reservoir and the prediction of the prospecting targets of the fourth section of shahejie formation in qi - shu area, liaohe basin

    本文以t . a . cross成因地層研究小組提出的以地層基準面旋迴原理為理論基礎進行成因地層分析和儲層預測的高解析度層序地層學為指導,利用鉆井、地震、巖心等多種分析資料,對遼河盆地西斜坡中部齊?曙地區沙四段地層進行了層序地層綜合研究,建立了研究區高解析度等時地層格架,在等時格架內對本區沙四段進行了沉積體系特徵及其展布規律的研究,在綜合分析成藏要素的基礎上對沙四段有利目標區進行了預測。
  13. Based on the recent - year experiences, the trend of existing assessment standards and the prediction of future petroleum resources, this paper presents the method for evaluation of utilization benefit of petroleum resources and proposes three basic principles for geologic - economic assessment of petroleum resources such as the popular demand principle including reasonable exploitation of oil - gas reservoirs ; the full utilization principle that has been adopted by the law, which may decide the long - term economic benefits, containing rational use of petroleum resources and capital construction funds, manpower and materials ; and the profit principle of oilfield development applied for obtaining of reasonable goals for oilfield development according to complicated market conditions at home and abroad in order for obtaining the maximum profit

    摘要為了建立評價油氣資源利用效益的方法,根據近幾年的經驗和現今評價標準的發展趨勢以及對未來油氣資源的預測,提出了三項對油氣資源進行地質經濟評價的基本原則:第一是對石油天然氣普遍需求原則,這一原則本身包含了合理開發油氣藏的原則;第二是充分利用油氣資深的原則,這一原則已被法律所固定,它決定著長期的經濟效益,合理有效地利用油氣資源關繫到合理使用基本生產基金、勞動力和材料;第三是油氣田開發的利潤原理,根據復雜的國內外市場條件,確定油氣田合理的開發方向,以獲取最大的利潤。
  14. By analyzing flow status of fluid in aerating pipeline, giving up hydraulics and utilizing hydromechanics and advance numerical calculations, the prediction method to solve optimizations height on flow status in aerating pipeline is studied and put forward, which provides a scientific theory base to realize effective drag reduction and economic principle in blend phase transportation for pipeline design

    摘要通過分析摻入少量高粘流體形成分層紊流層流的流動狀態,拋棄傳統的水力學研究方法,應用流體力學原理、高級程序設計語言和先進的數值計算技術研究了摻入少量高粘流體分層紊流層流減阻規律,為實現管道混相輸送時高效減阻和經濟節約的設計提供理論依據。
  15. After analyzing the traditional way of anode effect prediction, this paper develops an new way to predict the anode effect : the integrative way based on fuzzy mathematic by extracting the predicting character parameters from two types signals sampled and integrating fuzzy. the principle and the process of the new way are discussed in this paper

    本文在分析傳統陽極效應預報方法的基礎上,從兩種采樣信號濾波的結果中提取預報特徵量,結合模糊數學,提出了一種新的陽極預報方法? ?基於模糊數學的綜合預報方法,並且給出了方法的原理及其具體的實現過程。
  16. The theory analysis and method principle are presented the characteristics of the two methods are studied by computer numerical simulation. the results show that both the methods are reasonable and feasible. focused on the features and requirements of flutter test data processing, the methods presented here are used to pickup the major information as a pre - processing technique the application scheme is brought out for flutter boundary prediction based on subcritica

    根據顫振試驗的原理和觀測信號特點,本文將所提出的兩種時頻域濾波演算法引入到了飛機結構亞臨界響應分析的顫振邊界預測( fbp )研究當中,給出了一種新的顫振邊界預測方案,即通過聯合時頻分析與時頻域濾波提取有效信號再進行模態參數提取與顫振邊界預測。
  17. Taking in - situ toughened silicon nitride as a design object, principle component analysis ( pca ) is applied to study the microstructure and mechanical properties, to find out the main microstructure controlling factors, and to simplify the characterization variables and criterions ; fuzzy neural networks ( fnns ) is also applied to develop a design expert system for this material, which can realize the forward prediction from processing, microstructure to mechanical properties, and backward design from mechanical properties or microstructure to processing ; monte - carlo method is applied to simulate the grain growth of this material, and then crack propagation is simulated, which is another way based on physics and chemistry to developing prediction models from processing until to mechanical properties

    本文以自增韌氮化硅陶瓷為設計對象,運用主成分分析法( principlecomponentanalysis : pca )對自增韌si _ 3n _ 4陶瓷的顯微結構和力學性能進行數據空間降維,獲得自增韌si _ 3n _ 4陶瓷顯微結構控制的主要因素,進而簡化了表徵參量變量和準則;運用模糊神經網路( fuzzyneuralnetworks : fnn )建立了自增韌si _ 3n _ 4陶瓷設計專家系統,能實現工藝?微結構?性能的正向預測及反向設計;運用monte - carlo方法( mc )進行自增韌si _ 3n _ 4陶瓷的晶體生長模擬,然後進行裂紋擴展模擬,探索建立工藝?微結構?力學性能預測模型的思路。
  18. The plan of prediction and analysis has been worked out based on the electromagnetic interference and prediction equation and the multilevel prediction principle after analyzing the interference features and structure of the radio system

    在分析了局部區域中的無線電系統間相互干擾的特點及目前存在的無線電系統體系結構的基礎上,根據電磁干擾預測方程和多級預測原理,確定了預測分析方案。
  19. Introduced the structure of bp network, analyzed the principle of prediction with bp network, pointed out that the learning of bp network is fitting of interpolation, discussed the condition of prediction with bp network, and validated it with example

    摘要介紹了bp神經網路的結構,分析了神經網路預測原理,指出神經網路是內插值,討論了可應用神經網路進行預測的條件,並通過實例進行了驗證。
  20. Aimed at the character of the agriculture system, the least squares support vector machine prediction model is given based on the principle of the statistical learning theory and structural risk minimization

    針對農業生產系統的特徵,在統計學習理論和結構風險最小化原理的基礎上,建立了基於最小二乘支持向量機的時間預測模型。
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