空運算對象 的英文怎麼說
中文拼音 [kōngyùnsuànduìxiàng]
空運算對象
英文
free operand- 空 : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
- 運 : Ⅰ動詞1 (物體位置不斷變化) move; revolve 2 (搬運; 運輸) carry; transport 3 (運用) use; wield...
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 對 : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
- 運算 : [數學] operation; arithmetic; operating
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In this paper, ackerman steering linkage of double - wishbone suspension is taken as the study object, choosing the splitting joint and steering lever joint to carry out the design of optimization the mathematics models are established based on the multi - body system dynamics, applying its analysis method of kinematics to study the mechanism kinetic principles owing to more spatial factors considered, and calling off many hypotheses affecting the accuracy, compared with the traditional methods, the models are better to reflect the realistic motion principles, the results are more exact and applicable moreover, the force analysis is applied to the conduct mechanism the analysis method of dynamics in the multi - body dynamics is applied to study the forces applied on every component, working out the constraint reaction force of up and down ball joints, and developing the current computation program in the end, produce the upper wishbone geometry model in the ansys software package, meshing and carrying out the fea, testifying if the intensity of the wishbone meet with the requirements
本文以雙橫臂獨立懸架的轉向傳動機構作為研究對象,選擇對斷開點和節臂球銷的位置進行優化設計,在此基礎上建立了基於多體系統動力學的導向機構和轉向傳動機構的數學模型,運用該學科的運動學分析方法研究機構的運動規律,編制了通用優化設計軟體。由於考慮了更多的空間因素,取消許多影響準確性的假設,因此建立的數學模型與傳統的方法相比更能反映實際運動規律,得到的優化結果也更加精確實用。此外,本文還針對導向機構進行受力分析,在建立該機構的空間動力學模型后,運用多體動力學中的動力學分析方法研究各個桿件的受力,計算出上下球鉸的約束反力,並開發出了相應的通用計算程序。The content of this thesis comes from the fujian natural science found following research task 。 it studies on a space cantilever single beam attached to a moving support 。 inertia forces which are brought by the support ' s movement , are acceded to the equivalent initiative forces and the equivalent initiative moments 。 when we consider the relation of the forces and deformation , we change the method of material mechanical analysis to the elastic mechanical analysis 。 further more , we discusses the feasibility of the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body 。 first , the finite segment method is adopted to establish the models of the beam 。 based on kane ' s equations , dynamic math - model for the beam are derived 。 and by use of c - language and runge - kutta procedure , the computer - oriented procedure can give the whole responses of the beam 。 second , with compare to the numerical examples , the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body which is under the condition of movement is verified to be feasible 。
本論文為福建省自然科學基金后續研究課題,以已知支撐運動的單個空間懸臂梁為對象,在等效主動力與等效主動力矩中加入支撐轉動引起的慣性力,並在考慮力與變形關系時,用更一般的彈性力學分析代替材料力學分析,進一步研究用多剛體離散模型來模擬其動力學特性的可行性。首先,用有限段建立機械臂的多剛體離散模型,用kane動力學方法建立其動力學方程。並用c語言編制演算法程序,採用了四階runge - kutta積分程序求解微分方程組,給出構件的全部動態歷程。The article takes a 600mw natural cycle drum boiler ( soot blow using steam ) as investigating object, establishes soot accumulation loss and soot blowing energy loss models for its water cooling wall, superheater, economizer and air preheater respectively, set up instructions for soot blower operating. simulating calculation results are compared with site data to verify usefulness of key models. the article introduced the operation optimizing design of soot blowers of yanzhou no2 power plant based on theoretical research
本文以600mw汽包自然循環鍋爐(蒸汽吹灰)為具體分析對象,分別建立其水冷壁、過熱器、省煤器、空預器的積灰損失和各受熱面吹灰能量損失的模型,建立相應的吹灰器運行規則指導,對設計中的關鍵模型問題,通過模擬計算及與現場數據作比較的方法,驗證其可用程度。These deviations are not acceptable for typical calculations in hat. similar problems occur for caes plants. in order to meet the demands of engineering design, the humid air must be regarded as a kind of real gas and more accurate thermodynamic properties of the humid air are acquired at high temperature and high pressure
本文針對新型熱力循環中對高溫高壓濕空氣熱力學性質參數的需求,以濕空氣透平和壓縮空氣蓄能系統中的工質為研究對象,在維里狀態方程的框架下,運用對應態原理,提出一個適合計算高溫高壓濕空氣熱力學性質的對應態維里方程,並利用兩種方法對濕空氣的汽液相平衡進行計算。The 00 ( object - oriented ) technique of standard template library with ansi / iso c + + is used in designing the program, and the dynamic access mechanism and the startup with zero content are realized by using the specialization and inheritance object of vector template class as the data container which can change the content itself according to the number of discretization node data of a computing practicality. so, the fact that the use of the static ems memory which is not necessary is avoided
在設計面向對象有限元程序中運用了基於ansi isoc + +標準模板庫( stl )的技術,以向量模板類的特化繼承對象為變容量數據容器,實現了可按計算實例的離散結點數量動態存取數據的機制和數據容器的零容量啟動,從而避免了運算時系統對靜態內存空間的超量佔用。By using it, the section mapping drawings of multi - types & complex pipeline system can be automatically generated through the entity crossing operation. this method composes of the following three key steps. in the first, different graphic entities are identified from the complex pipelines drawing in terms of the layer information they owned, then the correspondent information is to be encapsulated to keep the spatial data completeness of the graphic symbols
該方法通過管線系統設計圖中的圖形實體的分層處理與信息封裝,首先實現了復雜管線實體的自動識別並確保了圖形實體具有對應管線實體對象的完備空間信息;在此基礎上,根據用戶給出的任意位置截切線,構造隱式描述的截切面並與隱式描述的管線實體進行求交運算;最後通過對求交結果的坐標變換,生成能夠直觀反映出多類型復雜管線系統空間分佈信息的截切面映射圖。Research result shows that the object - oriented geographic spatial model has stronger representative ability, is easier understood and accepted ; using the concept of geometric data type unify the process method of attribute and spatial data, and simplify entity query and analyses. the topologic relations between entities, which are not been stored in explicit formulation in the model, can be achieved through collective operation of geometric object ' s hypergraph model. compared with traditional his, the query and analyses ability of which based on new model are stronger
研究結果表明,面向對象的地理空間模型具有更強的表現能力,並且容易被理解和接受;採用幾何數據類型的概念,可以使對非空間數據和空間數據的處理方法相統一,而且會使對實體的各種屬性數據(包括空間屬性)的查詢和分析模型更加簡單;對于面向對象模型中不顯式表示的地理實體間的空間拓撲關系,可以利用實體的幾何對象的超圖模型間的集合運算來求得;基於面向對象地理空間模型的實體查詢和分析,也比基於傳統gis數據庫查詢和分析具有強得多的功能。Let children correctly know ten numerals of 0 - 9, simple geometric shapes, and simple operation of the addition and subtraction ; put the small numerals and shapes into small house, cultivate children to understand the corresponding relationship each other ; through game, train children ' s ability of practice and thought, spacr imagination and collocation skill
認孩子正確認識0 - 9十位數字,以及簡單的幾何形體,還可以進行簡單的加減運算;把小數字和形狀體投放小房子里,培養孩子理解相互對應的關系;通過游戲,鍛煉孩子動手?腦能力,空間想象力、搭配能力。Let children correctly know ten numerals of 0 - 9, simple geometric shapes, and simple operation of the addition and subtraction ; put the small numrtals and shapes into small house, cultivate children to understand the corresponding relationship each other ; through game, train children ' s ability of practice and thought, space imagination and collocation skill
讓孩子正確認識0 - 9十位數字,以及簡單的幾何形體,還可以進行簡單的加減運算; 2 、把小數字和形狀體投放小房子里,培養孩子理解相互對應的關系; 3 、通過游戲,鍛煉孩子動手動腦能力,空間想象力、搭配能力。Then the research of algorithms of texture - based image retrieval is devised from the following three aspects : 1. texture - based image retrieval algorithms in spatial domain : perceptual - based tamura texture feature is analyzed ; run - length texture analyzing algorithm is improved ; four laws " texture operators which perform better in texture analyzing are achieved
空間域紋理分析方法方面,分析了對應於人眼視覺感受的tamura紋理特徵,將遊程長度紋理分析演算法改進為遊程累加的紋理檢索演算法;總結出在基於紋理特徵的圖象檢索中四個有效的laws紋理能量運算元。Both absolute difference and relative difference among per capita gdps of 14 cities ( prefectures ) increased year by year since 1990 - the absolute difference increased linearly - - and this increased tendency would n ' t change in short period. by counting the discrete and ratio between per capita gdp of every city ( prefectures ) and that of the total province, the relative development speed of every region and the industrial structure of every region, i think that the characteristic of the spatial structure of regional economic difference in hunan is that the area along the beijing - guangzhou railway line in the east of hunan developed fast, while the vast area in the west of hunan developed slowly, so the regional difference increased constantly. on the difference background between the east and the west of hunan, there is the difference between central region and fringe region, for one thing it shows ring difference, namely chang - zhu - tan internal ring, surrounding chang - zhu - tan medium ring, the outermost external ring, the most underdeveloped counties lie on the fringe and mountain regions in the west, south and east of hunan, for another it displays that the peripheral regions of 13 prefectural cities are more developed than the other
文章還建立了反映基礎設施水平、經濟發展水平、社會發展水平的23個主要指標構成的湖南省區域差異衡量指標體系,在此基礎上,藉助spss統計分析軟體,運用主成分分析法,對湖南省14個市州經濟發展綜合水平的差異狀況進行了研究,結果表明:長沙市的經濟發展綜合水平在14個市州中遙遙領先,反映了湖南省經濟發展空間結構的「單極主導」特徵;通過計算人均gdp的標準差和標準差系數,研究區域經濟差異的總體水平及區域經濟不平衡發展的演變趨勢,發現90年代以來湖南省各市州人均gdp的絕對差異和相對差異都在逐年擴大,其中絕對差異隨年份直線上升,且這種差異擴大的趨勢在短期內難以改變;通過計算各市州人均gdp與全省人均gdp的離差和比率、各市州發展速度的差異及產業結構的差異,認為湖南省區域經濟差異的空間特徵是:湘東京廣沿線地區基礎較好,發展較快,湘西地區發展緩慢,地區差異不斷擴大;通過以縣為對象的差異研究發現在湘東湘西差異的大背景上還有核心區與邊緣區的差異,它一方面表現為長株潭內層、圍繞長株潭的中層、更遠的外層的圈層差異特徵,最落後的縣分佈於湘西、湘南、湘The exe code that creates and manages objects of this class runs on same machine but is loaded in a separate process space
創建和管理此類的對象的exe代碼在同一臺計算機上運行,但在一個單獨的進程空間中加載。To improve dynamic performance control effect for air suspension vehicle with half vehicle model as a control object and perpendicular motion and longitudinal acceleration as control indexes, the half - vehicle model fuzzy control simulation was performed by taking grade b road as random input
摘要為了改善空氣懸架客車動態性能的控制效果,以空氣懸架客車1 / 2模型為控制對象,以車身垂直運動和俯仰運動加速度為控制指標,以b級路面為隨機輸入,應用模糊控制技術對1 / 2車輛模型進行了計算機控制模擬分析。Video object segmentation techniques are discussed, theories and techniques related to video segmentation are introduced and the existing typical algorithms of motion - based and spatiotemporal segmentation are analyzed and compared with the emphasis on analysis of spatiotemporal segmentation algorithms based on 3d region growing
本文以視頻對象分割技術為研究課題,首先介紹視頻分割相關的理論與技術,然後對現有的基於運動和基於時空域相關兩大類分割演算法進行對比研究,並把重點放在基於3d區域生長的時空域分割演算法的分析上。By the software platform, figuring out the objects and the robotics projection according to the kinematics model and the coordinate transform and t our software platform is to test the validity of the arithmetic according to adjusting the distance between the two vidicons and vidicons ’ poses in the descartes space.,
設計的軟體模擬演算法驗證平臺中,通過運動學模型、坐標轉換等計算出目標物體、機器人本體的視覺投影,在一定范圍內調節目標對象在笛卡兒空間中的位姿,模擬現場工作環境。Then the distributed computing strategies of spatial information is discussed as a whole, the strategy together with the spatial object, spatial relationship, raster data is designed, realizes the distributed computing strategies and algorithm
在此基礎上,對空間信息在網路環境下的分散式計算策略進行了統一研究,並分別對空間對象,空間關系,柵格數據設計,實現了相應的分散式計算方案與運算演算法。According to the rules and considerations which are based and taken into account in the practical work, this paper proposes a new model for distribution maintenance scheduling which intends to find the most economical maintenance schedule without violating any restrictions and also the paper makes a deep research of ga, sa and ts. by constructing two effective instructive rules which derive from the feature of distribution maintenance schedule and introducing ts into mutation operation of ga in the earlier generations, the proposed method improves the convergence of optimization and shortens the calculation time. the proposed model and method are applied to a practical system, and numerical results verify ' the correctness and validity of them
本文結合實際電力調度計劃工作中檢修計劃的制定原則和所要考慮的各種因素,抽象出適合配電網檢修計劃優化的數學模型:對遺傳演算法、模擬退火演算法以及禁忌搜索演算法等多種演算法進行了研究和分析比較,針對遺傳演算法的不足提出了通過對實際問題的分析抽象出一定規則指導演算法在解空間進行搜索和兩階段變異運算元兩項改進措施,並應用於配電網檢修計劃優化,編制了相應的應用軟體;應用該軟體對我國南方某地區供電局某月的檢修計劃進行優化的結果表明,本文所提出的模型和改進的優化方法是正確和有效的。Demands for spatial index directly come from spatial methods. in spatial database, spatial methods are implemented in two steps : first is filter step, in which spatial object ' s number is reduced through spatial index. second is refinement step, in which spatial objects resulted from filter step are subjected to exacted computation
空間索引的直接需求來自於大量空間對象上的空間運算,本文認為在空間數據庫中空間運算應該分兩步進行:第一步是篩選步驟,通過空間索引縮小進行比較的空間對象的個數;第二步為細化步驟,對從第一步中篩選出的空間對象進行精確的空間運算操作。The concept of rsdd can solve the conflict between the infinite precision real numbers of spatial object and the finite precision number systems of computers. then we can preserve the closure of spatial operations and rsdd spatial data types. for the closure of spatial operations about ros, we have studied the intersection between rpos and gained the restructure algorithms, i. e., redraw a rpo - line, reconstruct a rpo - plane, and reconstruct a rpo - solid
為了保證基於rsdd對象ros在進行幾何運算時的封閉性,論文研究了對均勻空間離散域基本對象相交情形的調整演算法(重畫一條線、重構一個面和重構一個體)以及對均勻空間離散域對象的操作演算法(插入一個rpo - point的演算法、插入一條rpo - line的演算法、插入一個rpo - plane的演算法和插入一個rpo - solid的演算法) 。In temporal segmentation a statistical model is used to automatically separate the moving areas from the background in a general video sequence. the spatial segmentation bases on the results of temporal segmentation and using region - growing algorithm in rgb space can locate precise boundary of moving object. lastly, using segment moving object as the initial model, moving object can be tracked by matching an image to a model based on hausdorff distance on a sequence of video, and the model is updated every frame to accommodate for changes in shape
時間分割中採用連續幀間差的統計假設檢驗,確定運動對象的位置,自動地分離出運動區域與背景區域;空間分割中則採用基於顏色的區域增長演算法來精確地提取運動對象的輪廓;最後,將提取到的運動對象作為模板,對后續的視頻序列,用基於hausdorff距離度量匹配,來跟蹤並提取后續幀中運動對象。分享友人