等參數映射 的英文怎麼說
中文拼音 [děngshēnshǔyìngshè]
等參數映射
英文
isoparametric ma ing-
The results show that selection of radiation parameterization schemes has distinct impact on the simulated results. the results simulated by the group with detailed long - wave and short - wave radiation parameterization scheme reflect plateau terrain and typhoon, cloud, subtropical high, trough / ridge more particularly and reasonably ; intensity of typhoon rainfall center is improved 1 / 3, there have been some improvements on intensity of the north heavy snow, more approach the observation
通過對2002年第16號臺風個例和2002年12月19 24日降雪個例的模擬,結果表明:選用不同的輻射參數化方案對模擬結果具有明顯的影響,較詳細的長短波輻射參數化方案組合模擬的各種輻射量和雲對地形以及臺風、副高和槽脊等天氣形勢的反映更加細致合理;降水的預報也更加接近實況。All the contents are developed around a set of scaling laws taking the form of exponentials which relate to almost all the issues of complexity including fractals, chaos, strange attractors, localization, and symmetry breaking, etc. the main work can be summarized as follows : starting from the law of allmetric growth three fractal dimensions in a broad sense are derived, and according to these dimensions, geographical space is divided into three levels, i. e., real space, phase space, and order space, each of which corresponds to a kind of dimension. based on the idea of spatial disaggregation and using the rmi ( relationship - mapping - reversion ) principle, the urban system is formulated as three scaling laws of the three spaces, including number law, size law, and area law, which can be transformed into a set of power laws such as allometric law and zipf ’ s law associated with fractal structure
從異速生長律的縱向、橫向和切向三個角度將地理空間劃分為實空間、相空間和序空間,分別對應于空間系列、時間序列和等級序列三個層面,每個層面的測度各有自己的空間維度。基於「空間循環細分-等級體系-網路結構」的數理等價關系,利用rmi (關系-映射-反演)原則,成功地實現了城市系統宏觀模型的理論抽象,將空間復雜性問題表徵為簡單的指數式標度定律(包括數量律、規模律和尺度律) ,這一組標度律可以與一組冪次定律(包括具有分形性質的規模-數目律、異速生長定律和三參數zipf定律)互為變換。In the paper, a bp networks is founded to show the relationship of the box girder dimensions and load ' s peculiarity with the parameters of fitting
本文利用bp網路來建立擬合參數與箱梁模型幾何尺寸、載荷特性等之間的非線性映射關系,通過網路的自學習功能得到穩定的網路。In the second chapter, firstly, i present some marks and definitions, then discuss several le. mmas that closely relate to the primary theorem of this paper. successively, i introuduce relative malgrange preparation theorem, the approach theorem of relative map - germs, and the approach theorem of relative map - germs with single parameter family and so on
第二章首先給出一些記號和定義,然後討論與本文主要定理密切相關的一些引理,先後介紹了相對malgrange預備定理,相對映射芽的逼近引理,以及單參數族相對映射芽的逼近引理等。The variation of the film composition can be monitored by using the method of spectrum analysis during the film deposition ( for the intensity of the persistent line is proportional to the particle density of the element in the vacuum chamber ). the measurement of the transmission spectrum of the film on a transparent substrate can be used to calculate the film parameters, such as refractive index, extinction coefficient and the thickness of the film. therefore, the combination of the two methods would be helpful to on line monitoring the film constituents and the optical paramenters in the preparation of thin films
在制備薄膜的過程中,利用光譜分析的方法,以放電光譜特徵譜線強度的變化來反映相應物質成分的變化,以連續光譜光源發出的光透射過薄膜的透射率的變化,來反映薄膜的厚度、折射率、吸收系數等光學參數的變化,從而達到在制膜過程中,對薄膜的成分、厚度等參數進行在線監控的目的It not only adapts to the state while only switches act, but also to the state while relay protections act ; in addition, through using electric information collected by microcomputer protection, more accurate results are gained
其主要內容為城市電網繼電保護的配置、繼電保護的整定值、系統基本參數等。同時通過內存中實時數據庫的映射,利用scada系統通道向本系統提供實時遙信信息和遙側信息。The streamlines of the flow are obtained from an exact analytical treatment of the stokes equations by making use of finite element methods and complex function theory. based on the calculations, the formation and evolution of vortices in the flow are visualized
運用有限元方法,從斯托克斯方程,連續性方程和流函數方程出發,通過有限元離散、等參元映射、數值積分和牛頓迭代,得到有限元方程的精確數值解,利用后處理軟體對得到的數值結果進行了可視化處理。We put more attention on the study of 3d graphic rendering technology, such as shading model and ray tracing. shading model is compared of simple shading model and whole shading model. studied the radiosity and texture mapping, mainly about the parameter curve surface texture mapping, two steps texture mapping, environment texture mapping and mip - map mapping
研究了光照模型及光線跟蹤技術,包括簡單光照明模型、整體光照明模型;分析了輻射度方法及紋理映射技術,研究了紋理映射中參數曲面的紋理映射技術、兩步法紋理映射、環境映射、 mip - map映射等映射技術。Second, a jeffcott rotor model supported by two seals bearings in its two ends is established to simulate the shafting of simple turbines ( only short - and - straight - blades are included in the shafting ). and periodical response of the system is obtained by using the newmark method. then, the dynamic characteristics of rotor system at the certain rotate speed and the certain physic
其次,建立了一個用來模擬簡單汽輪機軸系(只含有短直葉片)的兩端用滑動軸承支撐的jeffcott轉子模型,並用newmark方法求得了系統的周期響應,根據系統的周期響應、 poincare映射圖、頻譜圖、分岔圖等,分析了系統在特定轉速及特定的轉子系統參數下的運動特徵。The principle of the evaluation system is described in details, included : defining the layer numbers of hidden neurons, defining the processing unit numbers of hidden neurons, defining the train numbers and selecting original value ; input and output parameters determination etc. the bp net can study and story a lot of mapping relationship of input - output model, and need not mathematics describing of mapping relationship in advance
論文詳細論述了評估系統的設計過程:隱層數的確定、隱層單元數的確定、訓練次數的確定、初始值的確定和輸入輸出參數的確定等。 bp網能學習和存貯大量的輸入-輸出模式映射關系,而無需事前揭示描述這種映射關系的數學方程,只需用足夠多的模式對對網路進行訓練即可。It processes these data that gathered from the optical measurement system or other 3d measuring apparatus directly without the preprocessing of wiping off noise points. user can define the resolution of the exported triangle mesh through setting a few parameters. it still can process other information of the points of cloud except for the x, y, z coordinates, such as color information ( rgb )
它可以直接處理來源於光學測量系統或者其他的一些三維測量系統的數據,而不用經過去除雜點的數據預處理過程;輸出三角形網格的解析度可以由用戶通過設置一些參數來進行控制;這個演算法還可以處理一些來自於點雲的點所帶的除了( x , y , z )坐標以外的一些信息,比如說顏色信息( rgb )等;此外我們還提供了幾種可以實現的紋理映射( texturemapping )的思路。It is constructed that radial impact and rubbing dynamics differential equations of the rotor system having the nonlinear rigidity on the unsteady and non - linear oil film. the bifurcation and chaos behavior of impact and rubbing fault rotor system caused by the parameters of nonlinear rigidity, rotor rotating speed, eccentric mass is analyzed, in the numerical value analysis method. the bifurcation diagrams, maximum lyapunov exponent diagrams, poincar maps, phase plane portraits, trajectories of journal center, time - history curve, amplitude spectra diagrams of the rotor motion are used
( 2 )建立了具有非線性剛度的轉子系統在非穩態非線性油膜力作用下的徑向碰摩動力學微分方程,並應用含高階余項的非線性動力方程的線性化數值法研究了此類系統響應的復雜動力學行為,利用轉子響應的分岔圖、最大lyapunov指數曲線、 poincar截面映射、時域波形、相軌線、軸心軌跡、幅值譜等圖形分析了系統響應的周期運動、擬周期運動、倍周期分岔、混沌等運動形式的轉化與演變過程,重點研究了非線性剛度、轉子轉速、偏心質量等系統參數對碰摩故障轉子系統的分岔和混沌行為的影響。One is, based on answering the above open problem on a finite dimensional euclidean space by means of partially ordered theory, to research the existence of solutions, global error bounds of proximal solutions and sensitivity of parametric unique solutions and present a class of variable - parameter three - step iterative algorithms for generalized set - valued variational inclusion problems by using - resolvent operator of set - valued mapping. two is to consider the convexity, closedness and boundedness of the solution set of general set - valued variational inclusion problems and the sensitivity of the parametric solution set by means of graphical convergence theory. three is to discuss directly the existence of solutions by using analytical methods for set - valued mixed quasi - variational - like inequalities and suggest a class of direct variable - parameter three - step iterative algorithms for solving generalized set - valued variational inclusions
研究分有三個方面:一是藉助于偏序理論在有限維歐氏空間中解決了上述公開問題,在此基礎上利用集值映射的-預解運算元,研究了廣義集值變分包含問題解的存在性、逼近解的全局誤差界、參數唯一解的靈敏性,並提出了一類變參數三步迭代演算法;二是藉助于圖收斂理論研究了一般集值變分包含問題解集的凸性、閉性和有界性以及參數解集的靈敏性;三是用分析的方法直接討論了集值混合擬類變分不等式問題解的存在性並提出了一類求解廣義集值變分包含問題的直接變參數三步迭代演算法。The important research is about the theory and methods of the cluster analysis in view of statistical theory, the theory and methods of fuzzy cluster analysis, the fkn " s structure and the fkn ' s study algorithm ( fkn, fuzzy kohonen network ) - the organic fusion of the fuzzy c - means algorithm and self - organized feature map neural network. the paper proposes the ifkn ( improved fkn ) on the basis of the hard classification idea and the soft classification idea, then carries on the cluster analysis of the artificial synthetic control chart time series through matlab program and tt ? cluster result matches the cluster result of the famous dataengine " s software of the intellectual data analysis and data mining from german mit company. finally, the paper discusses the applying of the cluster analysis to the control process, which can be widely applied to the pattern recognition of the parameter " s changing trend during the control process and the image partition processing, and utilizes the ifkn to recognize the thermotechnical parameter " s changing trend based on the engineering of clinker sintering rotary kiln automatic control system of guizhou " s aluminium factory, through which good effect is obtained
數據挖掘技術在商業領域中已廣泛使用,然而在工業過程式控制制中的應用卻極少,本文正是在這種背景下,對數據挖掘中的聚類分析方法及其在工業過程式控制制中的應用研究作了償試,重點研究了基於統計理論的聚類分析理論和方法,模糊聚類分析理論和方法及模糊kohonen網路( fkn )的結構與學習演算法,即模糊c ? ?均值演算法與自組織特徵映射神經網路( kohonen網路)的有機融合,並根據硬分類思想及軟分類思想提出了改進的模糊kohonen網路( ifkn ) ,通過matlab編程對人工合成控制時序圖數據集進行聚類分析,其聚類效果與當今廣泛使用的數掘挖掘軟體平臺,德國mit公司著名的dataengine智能數據分析和數掘挖掘軟體的聚類效果相當,最後,論述了聚類分析在控制中的應用,它可以用於過程式控制制中的參數變化趨勢的模式識別及圖象分割處理等具體應用中,並以貴州鋁廠熟料燒結回轉窯自動控制系統為工程背景,利用ifkn識別其熱工參量變化趨勢,取得了較理想的效果。The several ones that have more lager sensitivity to embankment settlement are found out. then, aimed at the traditional three - layer bp network ' s shortages : easily getting into local minimum value and slow convergence, the modification combined momentum method with self - adaptation study velocity is made, and one improved bp network is put forward. finally, according to the results from above sensitivity analyses, the nonlinear model main parameters of each natural layer in roadbed are approximately rectified using the improved bp network technology founded on its stronger nonlinear mapping capacity and the settlement measurements
採用非線性有限元程序,對鄧肯-張模型中8個參數與路堤沉降的關系進行了詳細分析,找到了影響沉降的主要參數;接著,針對傳統的三層bp網路具有收斂速度慢、易陷入局部極小點等不足,對其進行了修正,提出了改進的bp神經網路模型;最後,根據上述靈敏度分析結果,基於改進的bp網路模型較強的非線性映射能力和前期沉降實測資料,對路基中各天然土層的非線性模型主要參數進行了反分析修正; ( 4 )路堤沉降計算一維法中考慮應力歷史、側向變形的研究。Users are required to have user mappings or an equivalent mechanism refer to the previous section on user mappings
為了成功地連接到特定的數據源,用戶需要具有用戶映射或等價的機制(請參閱This paper first analyzes the property of ship data and points out that we must adopt the international standards, such as ship - step and plib, to set the life - cycle information model of the ship. four kinds of product data exchange methods on internet, such as step file, sdai, database and xml. are discussed
研究了internet環境下的數據交換技術,分析了在internet上的文件、分散式對象、關系數據庫和xml等四種step數據交換方法的特點,給出了express模型與關系數據庫模型的映射方法,以及產品特性參數庫的構造方法和er模型。The stability of period response of nonlinear rotor - bearing systems is analyzed by employing the newmark and shooting methods. the bifurcation rules of period response of elastic rotor system with multi - degree of freedom are obtained. the motion characteristic of the rotor system is determined according to the fractal dimension of poincare mapping of phase aspect and frequency spectrums at certain speed and physic parameter of rotor
對于這三個模型,本文採用了計算速度較快的newmark方法求解系統的響應,用poincare映射、軸心軌跡和頻譜圖分析各個轉子-軸承系統在特定參數下的運動特徵,通過分岔圖研究了轉子?軸承系統隨某些參數(轉速、不平衡量分佈、軸承質量等)變化時的系統響應。There is a section for routing, addressing, and message identification ; an optional section where application - specific parameters can be passed ; and a third section where the message payload text, bytes, value map, object, etc. is stored
其中有一個部分( section )用於路由、尋址和消息識別;還有一個可選的部分,在這個部分中可以傳遞一些特定於應用( application - specific )的參數;第三個部分存放的是消息的有效負荷(文本、位元組、值映射( value map ) 、對象,等等) 。The paper analyses and compares the " factor effect on the flow in the pond by the numerical simulating software. the analysis shows the flow structures in the pond are not only related with the velocity of flow, angle of jet and the size of the entrance and so on, but also are related with the size of the pond
根據計算,論文對錐形閥消力池流態的影響因素進行了分析和對,比,分析認為,錐形閥消力池內的水流流態與入射水流的流速、入流t角度和進口尺寸以及水墊尺寸等反映淹沒撞擊射流的基本參數有關,也受消力池長度、寬度影響。分享友人