重建曲線 的英文怎麼說

中文拼音 [zhòngjiànxiàn]
重建曲線 英文
rebuild curve
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : Ⅰ動詞1 (建築) build; construct; erect 2 (建立; 設立; 成立) establish; set up; found 3 (提出;...
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 重建 : 1. rebuild; reconstruct; reestablish; rehabilitate 2. reestablishment; reconstruction
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。
  2. Some important problems will be mainly discussed in this paper, including : the formation and representation of bsc, bbc, tbsc, tbbc curves and surfaces, some significant properties and corresponding algorithm, the expression of normal curves and surfaces in the form of bsc, bbc, tbsc, tbbc, the methods of the reparametrization of curves and surfaces based on the theory of bsc, bbc, tbsc, tbbc curves and surfaces, the application of the theory of bsc, bbc, tbsc, tbbc curves and surfaces in the reparametrization of curves and surfaces and practical modeling

    3 )函數的概念,並立了bsc 、 bbc和tbsc 、 tbbc面的系統理論。主要研究bsc 、 bbc和tbsc 、 tbbc面的構造、表示、性質,特徵、演算法;常用面的bsc 、 bbc表示;基於bsc 、 bbc理論的面的新參數化方法; bsc 、 bbc理論在面的新參數化和實體造型中的應用。論文分為六個主要部分。
  3. The author analysised and developed primarily some function module like the pavage segment and numbering of stone layed, artistic splice, work sheet made and established the mold with space curve of the hem of a revolving stair handrail. among while the fuction of pavage segment and numbering of laying stone can automatic complete according to the laying area to choose the best program

    該系統中,著分析和開發了石材鋪設的參數化分割和編號、石材的藝術拼花、石材加工信息在不同軟體中的通信即加工單的開立、以及旋轉摟梯扶手石材貼片空間模等幾個功能模塊。
  4. Built according to the effect curve reflecting the relationship between fertility factor and crop production, the subordinative function solves the quatitative problem from the gradual change of ambiguous variable. it tallys with the actual situation to define the fertility factor weigh by using hierarchy analysis and combine it with expert ' s knowledge

    通過肥力因子與產量的效應立隸屬函數,解決了模糊變量漸變過程中的定量化問題;引入層次分析結合專家知識確定肥力因子權,更符合客觀實際,使評價結果更準確。
  5. In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future

    本文結合慶市大渡口區「三木花園」開發設項目,從地下空間靜力結構穩定性分析角度出發,針對在該項目中涉及的高層和多層築物以及在其地下20米處開挖了一個用於軌道交通的跨度6米,高7 . 5米的地下隧道這一具體工程情況,採用2d - 3d -有限元結構分析程序對高層與多層築物的地基基礎及其與城市軌道交通使用的地下隧道圍巖的應力與位移演變規律進行了有限元數值分析計算,探索了地下空間圍巖與高層或多層築物地基基礎之間的相互影響,通過考慮未受到任何人為擾動影響的天然狀態、地表存在多層或高層築物狀態和地下開挖用於軌道交通的地下隧道狀態等三種不同狀態以及4個水平剖和4個垂直剖等不同情況,從以下幾個方面具體分析研究了計算斷面的應力與位移分佈規律: ( 1 )在各種不同狀態下計算斷面的主應力矢量圖、位移分布圖( ux 、 uy )以及應力等值色譜圖( _ 1 、 _ 2 、 _ ( xy ) )等; ( 2 )相同狀態下不同水平與垂直剖的應力_ 1 、 _ 2和_ ( xy )對比分佈; ( 3 )不同狀態下相同水平或垂直剖的應力_ 1 、 _ 2和_ ( xy )的對比分佈等,為今後在對地下空間的開發利用以及在高層築物地下開挖硐室時的工程設計和工程施工提供參考依據。
  6. 6. the sectional cross - sectional discrete yield - sruface model is used to spandrel deep beams, the effect of the shear deformation to shear force on ( he m ~ terial nonlinearity is considered, ( he bond slip in anchorage zones is regarded as the houndaty nonlinearity of a member. except the geometric nonhineaicty. consideration of double nonlinearities about materials an

    6 、將分段截面離散的屈服面模型法應用於裙梁,考慮剪力剪切變形對材料非性的影響,將錨固區鋼筋的粘結滑移看成構件的邊界非性,不考慮幾何非件,立了裙梁考慮村料、邊界雙性的空間滯回分析模型。
  7. We performed crosswell tomography on a real crosswell seismic line from shengli oilfield by using simultaneous iterative reconstruction technique ( sirt ) based on shortest path tree ( spt ) curved ray tracing

    摘要利用基於最短路徑樹彎追蹤的聯合迭代層析成像( sirt )技術進行井間地震層析成像,對勝利油田的一對井間實際資料進行了處理。
  8. The soil plug has an important effect on the pile driveability, and the pile diameter has an important effect on the property of soil plug, too. then the plugged effect judging method and nonlinear model of soil plug of the large ( super large ) diameter, super length, deep penetration pile have been established. hyperbolic model of soil plug was also proposed to calculate the inside static resistance

    3 .土塞對大直徑、超長樁的可打入性有要影響,而樁徑大小直接影響土塞特性,本文立了大直徑(超大直徑) 、超長、深貫入樁土塞閉塞效應判斷方法和土塞非性雙計算分析模型,並提出了「內側極限摩阻力動態分佈」模式。
  9. In the former, two computing modes of fem are built, aimed at the coupling of variable - profile pylon, curved - axis arch and flexible cable. the software algor feas is used to get the results of dynamic numerical analysis, such as natural vibration frequency, vibration mode, dynamic displacement, dynamic stress, which are compared with the results of shaking table test research to draw to important conclusions. these conclusions provide not only potent basis for the design and construction of nanjing century tower, but also reference for other pylon - cable - arch structures similar to the project

    在動態數值分析中,針對世紀塔變截面的塔身,的拱以及柔性拉索相互耦合時清況,立兩種有限元計算模式,利用有限元軟體algorfeas得到動力數值分析的結果,如:自振頻率、振型、動位移、動應力等等,再和振動臺試驗研究成果作比較,得到一些要的結論,從而為南京世紀塔工程的設計和施工提供強有力的依據,而且為類以於世紀塔工程的其它塔-索-拱結構的設計也提供一定的參考。
  10. Based on re - classification of abbott - firestone curve into three zones, surface bearing index, core fluid retention index and valley fluid retention index were introduced to evaluate the bearing capability and lubricant retention property of a machined surface. the changing tendency of these three indexes was also made clear through experiments, and the relations between them and fractal parameters were built up. at last, it was found that the coefficient c is also suitable to evaluate the bearing capability and fluid retention property of a machined surface

    本文在新劃分abbott - firestone的基礎上引入了表面承載指數、核心區液體滯留指數和谷底液體滯留指數三個指標分別評價表面承載性能和儲油性能,同時通過試驗找到了這三個評價指數的變化規律,最後立了它們和分形參數之間的關系,並發現尺度系數同樣可以用來評價表面的承載性能和儲油性能。
  11. By means of the calculation results of interlaminar stress distributions, the influence of delamination growth on the resultant fatigue lives is qualitatively discussed, realizing that a more comprehensive analytical model is essential to include the effect of stacking sequence and the arosing interlamina stresses on fatigue behaviors of laminates. the recommended scheme was also used to calculate the fatigue lives of specimens with central holes subjected tensile - compressive cyclic loadings and has got comparable estimations with experimental results

    發現和修正了有關文獻中的一些錯誤,立了斷裂筋條彎修正的公式和位移協調方程,編制了相應的計算程序,根據計算結果探討了斷裂筋條和筋條彎對蒙皮裂紋的影響,指出了有的文獻上給出的計算存在的謬誤。
  12. It contributes to the deeper comprehesion of these probability distributions, affords more detailed theoretical basis for further studying and simulating satellite mobile channels, ? theoretical analyses and discussions of the models which are often used in the study of the propagating characteristics of satallite mobile channels are given ; meantime, some discussions on the work of model simulations are also given, ? incorrect derivation of the equality between c. loo model and corazza model in some other papers is pointed out. via the conception of received power, we derivate that in the rural environments these two models really have the equal relationship by the way of theoretical derivation and simulatant fittings. therefore, it is able to use corazza model in studying the characteristics of satellite mobile channels in the rural environments and able to avoid the iterant work of modeling, in order to enhance the efficiency and accuracy of research work, ? detailed processes of simulating lutz model by using matlab6. 0 _ simulink4. 0 and the results of comparisions are given

    本文包含有以下的主要內容: ?對衛星移動通信通道傳播特性研究中常用的三個概率分佈給出了詳細的推導過程;以便對這幾個在衛星移動通信通道傳播特性的研究中常用的概率分佈函數有更深的理解,對進一步研究衛星移動通信通道傳播特性和對通道的模提供了更為詳盡的理論基礎; ?對衛星移動通信通道傳播特性的研究中常用的通道模型進行了理論上的分析和討論,並對衛星移動通信通道模的研究工作提出了一定的看法; ?指出了以前的文獻中關于c . loo模型和corazza模型的等同性的證明錯誤;並從接收信號功率的角度出發,通過理論推導及模擬擬合新證明了在鄉村環境下,這兩個模型的確是具有等同性的;從而在對鄉村環境下的衛星移動通信通道傳播特性進行研究時,可以只採用corazza模型來對實際的通道進行模,這樣可以避免復的模工作並提高研究工作的效率和準確性; ?給出了lutz模型在matlab6 . 0 _ simulink4 . 0環境下的軟體模擬實現的詳細過程和整體模擬測試的對比結果,保證了該模型在硬體實現時的可靠性和可行性,從而可以將它們應用於指導模型的硬體模擬實現並可以降低硬體實現時的風險。
  13. As for one specific gun ammunition system, by use of the established mathematical models the curve of the bore wearing, the muzzle velocity reduction related to that kind of curve and the weight coefficient at each section of that curve can be simulated

    對于某一火炮彈藥系統,利用立的數學模型可模擬出炮膛磨損及每一條所對應的初速減退量、上各段的權系數。
  14. Using vogel ' s wear index as the rail side wear index, the paper analyzes the side wear variations of rail head when the parameters in the wheel / rail system vary, analyzes the influences of track irregularity on rail uneven wear on gauge corner emphatically. this paper analyzes the rail side wear dates measured by track division of shan hai guan since 1990, then gains the relationship between side wear and traffic volume and sums up the characteristics and regularities in the formation and development of side wear. in the end, some measures for regarding the side wear on curves are put forward

    從輪軌摩擦、輪軌接觸幾何關系、輪軌接觸應力和輪軌蠕滑等方面對鋼軌側面磨耗機理進行了探討,從軌道幾何參數、機車車輛運營條件等方面對鋼軌側面磨耗的影響因素進行了點分析和總結;應用輪軌系統動力學,立了輪軌空間耦合振動時變模型,採用vogel側磨指數作為鋼軌側磨指標,系統分析了輪軌參數變化的情況下,軌頭側面磨耗的變化規律,點分析了軌道不平順對鋼軌不均勻側磨的影響;對山海關工務段1990年以後現場測得的鋼軌側磨數據進行了分析,通過擬合得到了鋼軌側磨量與運量的關系,並總結了上股鋼軌側面磨耗的特徵和發生、發展規律;最後提出了一些減緩鋼軌側面磨耗的措施。
  15. This process is as follows : firstly, the data of different section contour and of section line have been obtained by reverse - engineering ; secondly, non - uniform b - spline approximation algorithm is used to fit the discrete data ; then the data have been optimized and reduced by adopting adaptive sampling of key points of the fitted curve based on vertical distance, sequently the adaptive sampling data is transformed into the format of the. ibl file of the famous 3 - d design software pro / e. therefore we reconstruct the surface and a model is generated ; lastly, the effectiveness of the adopted algorithm and modeling approach are demonstrated by the experiments

    模型的過程中,首先運用逆向工程測量方法,獲得面物體上不同截面輪廓的測量數據點列,接著對測量數據點進行平滑處理,用最小二乘法求解基於數據點列的控制多邊形,以非均勻三次b樣條擬合截面輪廓;然後利用基於垂距的數據采樣演算法,對擬合上的數據點進行新采樣,達到優化數據點的分佈及減少描述數據量的目的。
  16. The largest difference between the scenario with and without the bridge can be observed for suspended matter near the seabed at locations in the direct vicinity of the ldyb ; and

    大橋與否,對伶仃洋大橋附近的海床懸浮物的影響最大;及水質參數圖顯示,水質參數的整體分佈將不受大橋嚴影響。
  17. The b b sounds ? digital baby scale monitors the progress of your baby ' s physical development. it enables you to track your baby ' s growth by accurately measuring her weight and length

    它其實是一組嬰兒生長管理計,除了秤的功能,它內有美國嬰兒標準生長,只要輸入身高,秤后可顯示嬰兒的生長百分比(請注意這是美國國家標準,亞洲人口數據不一樣喔
  18. Two test methods are employed : one is loading the samples before thawing, and the other is loading the samples after completely thawed. the coefficient of thaw settlement as a function of granule, as a function of water, and also as a function of dry density are protracted ; besides, the consolidation coefficient of thawed samples as a function of granule, as a function of water, and as a function of dry density are protracted. we can discover from the test results that the thaw - settlement coefficient and the consolidation coefficient of thawed samples are mainly relevant to the granule, dry density and the water content they have little to do with the geology and geography factor of the frozen soils

    為了研究季節凍土區工業民用築的基礎淺埋穩定性問題,特開展了有關季節凍土的融化壓縮特性的研究,先後在內蒙古農業大學三個比較典型的築地點取了將近三百個試樣,在室內進行試驗,採取兩種試驗方法即先融化后壓縮試驗法和同時融化壓縮試驗法,通過對這三個不同地點的兩種不同的試驗方法的試驗結果進行對比分行,分別繪制了融沉系數與凍土的含水(冰)量、干容以及顆粒級配的關系;融化壓縮系數與凍土的含水(冰)量、干容以及顆粒級配的關系,由試驗結果發現凍土的融沉系數和融化壓縮系數都與凍土的含水量呈正向相關關系,可近似的用性方程來表示;兩種實驗方法的總沉降量與凍土的含水量呈正向相關關系,與凍土的干容呈反向相關關系,也可以近似的用性方程來表示。
  19. After the orderly reduction methods of massive scattered data being studied, this paper proposes a partial tangent plane slicing method and a virtual second - scan line method after giving a new k - nearest algorithm to re - organize the massive data. the new proposed methods of data reduction and grey theory based unusual noisy data process can be used to generate the scan line type data and it can be directly used to reconstruct curves and surfaces. the research lays a good foundation for reconstructing the cad model in a point - line - surface manner

    4 .深入研究了海量散亂數據的有序簡化技術,在提出立海量數據點鄰接關系k -鄰近新的演算法基礎上,提出了局部切平面切片法和虛擬二次掃描法,實現了海量數據的有序組,通過基於灰理論的數據簡化和異常點處理新方法,生成可用於直接面的掃描類型數據,為以點??面方式構cad模型打下了良好的基礎。
  20. Reverse engineering is an important technology in realizing the duplication and modifying of freeform surface parts, which includes measuring, modeling, manufacturing and inspecting of freeform surface

    逆向工程技術為人們提供了一種與以往不同的設計模式。本文介紹了數據採集、等逆向工程中的要研究內容。
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