forward model 中文意思是什麼

forward model 解釋
正演模型
  • forward : adv 1 向前,前進 (opp backward)。2 【航海】在船頭,向船頭(opp aft)。3 今後,將來。4 出來,出...
  • 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. Based on the analysis of the theory and capability of asm & aam, a new method is put forward by combination of local texture model and global texture model

    通過對asm和aam原理及性能的綜合分析,本文提出了基於局部紋理模型和全局紋理模型相結合的圖像解釋方法。
  2. This paper put forward the optimized methods include reconstructing the characteristic curve by reasonable use of the adjust tools and analyse tools of the modeling software, admeasuring the automotive model surface correctly, simulating the breaking surface and creating the surface in the right turns which is good for modeling a smooth and exactitude surface. at last, after the correct analysis of the factors which are effect to the surface construction, a smooth and exactitude surface of the similar diamond concept car has been constructed by using the right optimize method

    本文通過合理利用反求軟體中的造型工具和分析工具,正確劃分反求模型的造型區域,使用正確的曲面造型方法,對反求曲面的特徵網格線進行二次優化,並對突變曲面進行擬合再生成處理及建立合理的曲面生成順序等方法,最終獲得了仿型度和光順度都很高的反求曲面。
  3. This thesis firstly introduces new demands of aerial product logistics support under high - tech war and some defects of traditional logistics support, and puts forward a kind of system model of aerial product logistics support following data - sharing of cals, and emphasizes detm. secondly it sets forth application of step and xml in the ietm, researchs conversion of xml schema and relation schema, and simply researchs mapping of xml and express. afterword, a based - xml framework of info - transfer between different platform are presented, according to this framework, the author establish a archetypal system of helicopter information query system based xml and dbms

    本文首先介紹了現代高科技戰爭條件下對航空產品維修保障的新要求,概述了傳統的後勤保障技術的不足,遵循cals的數據共享的理念,提出了航空產品維修保障系統模型,重點研究了互動式電子技術手冊;接著分析了step標準和xml技術在製作互動式電子技術手冊中的應用,重點研究了肌模式和關系模式之間的相互轉換,初步研究了xml和express語言之間的映射關系;然後,提出了基於xml的一種解決航空產品信息跨平臺傳遞的解決方案,給出了該方案的具體實現流程和詳細的通訊協議,並開發了基於xul和數據庫的某型號直升飛機的信息查詢原型系統。
  4. After the study on the general industrial organization model, the paper defines radical innovation based high - tech industry and its characteristics, and then it points out that there are three different actual models, the first one being ambidextrous organization or pan - ambidextrous organization model featuring the cooperation between small enterprises and conglomerates, the second forward industrial convergence organization model and the third horizontal industrial convergence organization model

    通過對一般產業組織模式的研究,對突破型高新技術產業的概念進行界定,指出其特徵,並提出突破型高新技術產業組織的一般模式和三種具體模式: ( 1 )小企業與大集團的二元或泛二元組織模式, ( 2 )前向產業會聚的組織模式, ( 3 )橫向產業會聚的組織模式。
  5. Also, this paper studies the amendable methods of dynamic numeration model, and bring forward that optimized method can revise finite element model, while validating the construed results of structural mode is almost equal to true values

    本文研究了各種動力計算模型的修正方法,針對有限元程序,提出了用優化的方法實現結構動力有限元模型的修改,通過算例驗證,結構模態分析結果更接近於實測值。
  6. In this paper, a new amendatory shear mechanism of beams and columns based on the " truss + arch " mechanical model is put forward

    在本文中修正的提出了建立在桁架+拱力學模型基礎上的抗剪理論。
  7. In this paper, based on land use maps of 1976, 1988, 2003, which were interpreted from the landsat mss / tm / etm imageries, and the map of main road, with the buffer analysis tool in arcgis 8, we studied the land use and land cover change on the two sides of the main roads in xishuangbanna, then we studied the impact of population density and the topographic factor on road effects. during the study both the comprehensive land use dynamic degree model and the land use degree comprehensive index model are taken into account, we put forward a compensatory model ? “ amendatory comprehensive land use dynamic degree model

    由於人類活動干擾強度加大,公路效應深度不斷擴展, 1976年為5km , 1988年為7km , 2003年達到11km ;受自然、社會條件的影響,不同路段的公路效應存在較大差異,甚至同一路段兩側效應也各不相同。 1976年至2003年,距公路不同距離范圍內的人口密度都在增加,且距離公路越近,人口數量密度越大、增長越快,人口分布有向公路兩側聚集的趨勢。選取人口密度為大、中、小三個樣區分別分析公路效應的范圍表明,人口密度
  8. Because of no limitation to task granularity, ppa is especially suitable for scheduling fine granularity tasks ( also suitable for coarse and medium tasks of course ), consequently helpful theoretically and practically for studying task schedule algorithm for rtdcs. according to the principle of fault - tolerant scheduling, combined with characteristics of tft in rtdcs, the paper puts forward the scheduling model of tft, corresponding implementation mechanism and the dynamic fault - tolerant scheduling algorithm ( namely ftpb ) and analyzes its complexity, with experimental data and contrast table compared with other analogic algorithm

    結合實時分佈系統中容錯任務的特點,根據容錯調度原理,給出了容錯任務的調度模型、實現機制及動態容錯調度演算法ftpb ,並對演算法進行了復雜哈爾濱工程大學博士學位論文; ; ; ; ;二; ; ; ;奮石石奮; ;性分析,給出了演算法實驗數據及與其它同類演算法的比較結果。
  9. Abstract : based on the concept of being serviceable at both peacetime andwartime and existing research achievements, the paper puts forward general programme, mechanical model and computational method for the railway bateau bridge across yangtze river, which can meet the navigation requirements, obtain high degree of attack - resistance and be extensively used

    文摘:基於平戰結合的思想,立足於現有的成果,提出了能滿足長江通航要求,具備良好的抗打擊性和可以廣泛應用的長江鐵路浮橋總體方案、力學模型和計算方法。
  10. In this paper, we study the trading model based on the project " the network market ", which was implemented by the chongqing electronic commerce inc and us. aiming at the shortage of trading model in " the network market ", we employ game theory and multi - criteria decision theory, introduce the matchmaking schema based on price and quantity into electronic commerce application, bring forward a market matchmaking trading model including five phases : market matchmaking, reinforce learning, biliteral negotiation, contract signing, contract executing. the main work and conclusion as follows : considering the behaviour of multi - buyers with multi - sellers, we realise a matchmaking model based on the price and quantity through double auction mechanism under discriminatory and non - discriminatory price situation, analyse the incentive compatibility and competitive equilibrium of the mechanism

    主要研究成果如下:針對多個買家與多個賣家的交易行為,提出一種撮合交易模型?採用價格和數量作為撮合要素,以雙重拍賣機制為撮合手段,重點研究均價和差價形式下的實現機制,並對其激勵相容性和市場均衡進行理論分析?為增強市場效率,論文提出了一種針對雙重拍賣的學習機制,它以三參數學習模型為基礎進行改進,藉助交易歷史信息,實現交易代理的自我學習
  11. At present, the investigation of trading model in the native still rest on realising the traditional trading model using information skills, little work has been done in lucubrating the business model and exercising successfully. although foreign investigation has gained some successes and brought forward some typical trading models such as fixed price selling, biliteral multi - step negotiation and all kinds of auction, there still exists some problem such as information overloading or resource mazing in these models, which aggravate users " burden. how to realise an efficient, intelligent trading model based on the multi - agent technique has become an important task for the research of electronic commerce

    目前,國內對電子商務的研究還停留在以信息化實現傳統交易模型的層次上,真正深入研究業務模型並成功應用的還很少?國外研究雖然取得一定突破,並提出了幾種典型的市場交易模型如:定價交易,雙邊多步協商交易,以及各種形式的拍賣拍買交易等?但這些模型大都存在信息過載或資源迷向的問題,增加了交易主體的負擔,如何應用多代理技術實現一種高效
  12. To do the investigating and studying work about the achievements of tackling key problem of the quondam exploration of front - zone of mountain, to analyze and study the applicability about the gathering technology used in the seismic exploration of the complicated construction belt of front - zone of mountainous ; 2. combining the quondam achievements, researching the design method of observation system objective of the complicated construction belt based on seismic - geology model, firstly, building the surface level and deep layer seismic - geology model of complicated construction belt and analyzing the forward model, secondly, designing the observation system aiming at the overthrust nappe structure in section and in area ; 3. aiming at the complicated earth ' s surface condition of front - zone of mountain, how to select the exciting method and the parameter, how to optimize the environment of exciting method and reception, how to pledge the normal combination of the datum of different exciting method ; 4

    根據山前帶的地震地質條件特點,本文主要研究了以下幾個方面的內容: 1 、對以往山前帶地震攻關成果開展調研工作,分析研究在山地山前復雜構造帶所採用的地震勘探採集技術的適用性; 2 、研究基於地震地質模型的復雜構造帶觀測系統目標設計方法:如何建立復雜構造帶的表層、深層地震地質模型,利用正演分析目標區的觀測系統;針對逆掩推覆體構造,如何分區分段有針對性設計觀測系統等; 3 、針對復雜地表條件的山地山前帶,如何選擇激發方式、參數,如何優選激發、接收環境,如何保證不同激發方式的資料能正常拼接; 4 、山前帶巨厚礫石區的表層結構調查技術及靜校正方法研究。
  13. Application the forward model we can get the profile of medium that combine in some condition, in order to conduct the attributes optimize, the paper offer some basic principle, and discuss the reliability of attributes from the character of incident wave and from the character of the inter - bed and from the reliable zoon of attributes

    正演模型是我們研究地震波屬性和地球物理正問題的一種有效的方法,利用正演模型的研究,提取一些介質組合情況下常用的屬性剖面。提出了一些屬性優化的原則,並且從入射波的特性和巖性以及屬性可信度區間討論地震波屬性可靠性,指導屬性參數的優化。
  14. The forward model of gpr electromagnetic wave propagation in pavement system is developed based on maxwell equation in electromagnetic theory

    基於電磁波理論的基本原理,從maxwell方程著手,建立了雷達電磁波在路面結構體系中傳播的正演模型。
  15. Applying this forward model, the system identification theory is firstly introduced to gpr signal analyzing field, and the sidthk program is developed for backcalculating dielectric property and thickness of pavement structures

    應用該正演模型,首次將系統識別理論引入探地雷達信號分析領域,提出了路面結構層材料介電特性及其厚度反演分析方法,並開發了反演分析軟體sidthk 。
  16. The forward model for gpr electromagnetic wave propagation in pavement system is established based on the basic theory of electromagnetic through analyzing the propagation characteristics of electromagnetic wave propagation in pavement, then the reflected signals of gpr wave propagation in different pavement structures are simulated

    基於電磁波基本理論,通過分析雷達電磁波在路面結構層介質中的傳播特性,建立了雷達電磁波在路面結構體系中傳播的正演模型,並依據該模型模擬合成了不同路面結構體系中雷達波的反射信號。
  17. In this dissertation, the principle of fem in em was discussed, then the pulse radar and three - layered pavements were analyzed with 20 - noded and 4 - noded isoparametric elements respectively. then, corresponding fem programs are compiled in fortran90. so a forward model was built up to describe the transmitting of electromagnetic in the radar and pavements, according to the system identification method

    針對上述情況,本文系統闡述了電磁場有限單元法的基本原理,然後採用二十節點、四節點等參單元分別對pulse雷達實體及三層路面系統進行了靜態場和時變場的有限元分析,初步建立了電磁波在三層路面中傳播的正演模型,同實測波形相比,模擬效果較好,並用fortran90語言編制了相應的三維、二維有限元程序,具有較好的可讀性和可移植性。
  18. It has been proved that application of forward model to pre - stack depth migration image is very helpful to improving image quality of seismic data processing

    事實證明,這種將模型正演應用於疊前深度偏移處理成像的方法對于提高地震資料處理的成像質量具有非常重要的作用。
  19. The system adopts workload method as outfitting method and conjoins the require of the system technology route and convenience for computer program, it mends the traditional workload method, and puts forward model compatible for the system

    在配套方法上,系統採用工作量法,並結合系統技術路線和方便計算機編程開發等要求,對傳統的工作量法進行適當改進,提出適合於本系統要求的模型。
  20. Applying the put forward model and the all - around classic genetic algorithm into the daqing medium - low level voltage distribution network to optimize the real power network, find classic project of reactive power equipment deploy. at the same time, analyze the ecnomic effect. the result shows that the put forward model and the all - around classic genetic algorithm has a lot of virtue, such as strong applicability, handy calculation, good ability of finding the best, easy spreading and applying into real power syatem short term load forecasting, and so on

    5 )研究分析結果表明:論文提出的城市配電網無功優化補償數學模型和全局最優遺傳演算法較全面、有效地解決了城市配電網無功優化補償的問題,具有適用范圍廣、尋優能力強、計算簡便、綜合效益好等優點,為全局最優無功優化補償提供了新的、科學的方法,易於在實際電網無功優化補償中推廣應用。
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