time contour 中文意思是什麼
time contour
解釋
等流時線-
Then, the chaser ' s two orbit roots are selected as variable and visualizing the simulation by contour plot. this part of research draws the conclusion the same as the first part when the target ' s orbit is circular orbit, while the selected two variable can be wildly changed if the target ' s orbit is elliptical orbit. next, wait time before orbit maneuver is simulated
其次，利用可視化的等值線圖研究了追蹤器軌道兩個參數為變量的情況下大范圍軌道機動問題，分析表明對圓軌道目標器交會機動時，追蹤器軌道根數不宜與目標器軌道根數相差過大，而對橢圓軌道目標器交會機動時，追蹤器軌道根數可選范圍較大，機動策略和方法富於彈性。 -
The tsf method combines efficiently llsf and tri - cubic spline interpolation, learns from others " strong points to offset one ' s weaknesses, so has rapidity and high accuracy of computation and is suitable for contour surface drawing in real - time. 3
該方法綜合多元樣條擬合法與局部加權最小二乘法，揚長避短，不僅保證了逼近精度，提高了計算速度，而且加密計算的結果可直接應用於等位面的實時顯示。 -
The results show that ( 1 ) the system of contour dams, contours and fallow had positive impact on water and soil losses than grass stripes and contour ditch. at the same time it was showed that contour dams, contours, fallow significantly reduced soil erosion and water loss, grass stripe and contour ditch had recorded reduction in water and soil losses although to a much less extent than above 3 farming systems. most of sediment was bed load in all the systems except in contour dams and contour fanning
研究的主要結論如下： 1 、運用坡面徑流小區法系統地研究了當地農業生產活動中不同農作措施下紅壤坡耕地水土流失特徵、土壤養分流失規律及形態特徵，結果表明： （ 1 ）同順坡農作措施相比：其它農作措施均具有明顯減輕水土流失的作用，等高土埂，等高農作、休閑處理控制水土流失的效果優於水平草帶和水平溝處理。 -
Based on the study of the fore going ' s, this thesis regards time - cell, time - center and time - distance as the basic elements of urban time structure. secondly, carry out three constructing principles - - " spatial scale " maps " time distance ", maintain basic spatial structures, extrude main time structures. thirdly, summarize four expressing forms of urban time structure of which isotime curve, isotime circle, time contour and time network
理論探討部分基於前人的研究成果初步確定時間單元/時間細胞、時間中心/時間基點和時間距離為城市時間結構的基本組成要素；提出時間結構構築的三原則： 「空間尺度」映射「時間距離」 、維持空間關系之基本格局、突出表達主幹時間關系；時間結構的表達則從時間結構的形態方面總結出等時線、等時圈、時間廓線圖和網路圖等表達形式；最後提出城市時間譜概念來評價城市時間結構的優劣。 -
At the same time, this paper pointed that the topological optimization method can be used in the lightweight design of the back contour of the primary mirror
同時本文還提出，可用拓撲優化的方法進行主反射鏡鏡背的輕量化設計。 -
At the same time, contour stream line, vortex, kinetic energy which are computed are important to investigate complex flow and turbulent flow
同時得到其它的參數如渦量場、等流函數線、紊動能等，這些參數對復雜流動和湍流有重要的研究意義。 -
The basis of this paper is the research on what strategies the da company adopts in order to penetrate into the market. and that the market strategies that could be chosen by firms are various. the product eye contour mask has a bright future hence there exists a tense competition among firms. the da company, currently producing eye contour mask failed many times before to enter into the market. to solve the problem, this paper for the first time applies the method of philip kotler ' s market advantage competition1 to the analysis of moulding and setting up a brand of cosmetics
本論文的立足點是研究da集團採用何種戰略可以贏得市場，而市場戰略的選擇是具有多樣化的，根據目前眼貼膜市場空間大、競爭激烈的特點，針對da集團以前新品入市屢屢失敗的具體情況，本文採用了菲利普?科特勒的市場地位競爭理論的研究方法，創新地將市場地位競爭戰略作為一個階段性戰略應用於化妝品品牌塑造的關鍵階段，即通過指導一個化妝品單品成功地進行初期入市營銷，不僅使該產品取得市場競爭的勝利，打開市場局面，而且還要達到為olx打造強勢品牌奠定堅實基礎的目的。 -
The rubbing fault of a slow - varying rotor system is diagnosed by means of a wavelet time - frequency contour map and good results have been achieved
利用小波時頻等高圖來診斷質量慢變轉子系統碰摩故障，取得了比較好的效果。 -
In this paper, a boundary chain code tracing method is used to extract the contour information, the process of thinning, de noising, and encoding for contour are realized at one time, so a 1d string represented the 2d contour shape information is obtained, then a contour matching method based on chain code is presented
摘要首先利用邊界鏈碼的跟蹤技術，提取出二維碎片的輪廓信息，同時對輪廓線進行細化、去噪和編碼處理，得到二維輪廓線的一維鏈碼信息描述，並在此基礎上提出一種基於鏈碼的二維碎片輪廓匹配方法。 -
Establishing 3 - d terrain models with vector contour lines and elevation terrain models with the help of the determination of space corresponding relations between contour lines, tile operation and branch operation. explanation of real - time reflection of terrain models, including three algorithms in lod technology, compared with quadtree algorithm, roam algorithm and the algorithm based on the intermediate belt, to show the advantages and disadvantages of the different situations of the terrains, so as to find out the right algorithm, the quadtree algorithm. developing and implementing the fast demonstration on the vc platform with three - dimentional visualization techniques, such as vrml and opengl, providing a persuasive argument for the research
論文首先概括介紹了用等高線快速建立3d地面模型和顯示的相關技術，並論述了課題研究的背景和選題依據;其次，論文闡述了如何對等高線數據進行預處理，提出了有效的得到矢量化等高線的方法;再次用矢量化的等高線數據建立三維地面模型，通過等高線間的對應關系的確定、瓦片操作、分支操作建立地面的高程模型;然後論文對地面模型的實時渲染問題進行了深入闡述，主要是從lod技術的三種演算法著手進行研究，通過對比四叉樹演算法、 roam演算法和基於過渡帶演算法對不同種情況的地面數據顯示的優缺點，再結合本系統的地形數據的特點選擇了適合的演算法:四叉樹演算法;最後，用vrml和基於opengl的三維可視化技術在vc平臺上開發並實現了地形的三維快速顯示系統，為論文的研究內容提供了有力的論證。 -
Apart from using traditional graphs showing changes in water quality over time, the epd also uses colour contour maps as a powerful presentation tool
除了採用圖表顯示水質變化趨勢，環保署亦利用彩色等高線地圖列示數據的變化。 -
At the same time computation time was controlled by the maximum iteration. the ideal cutting contour would be obtained. the cutting contours of three typical cover panels were calculated by using the error - adjustment method
優化方法基於材料的實際變形路徑並進行迭代計算，同時採用最大迭代次數以控制計算時間，最終得到比較精確的修邊輪廓線。 -
A new image sampling method and a device for transmission flow measuring are provided, and an edge detection method based on the semantic weight and threshold selection tactics based on the vision model are used to extract the contour, calculate the area and volume within a short time span
設計了一種新型的用於傳輸流量檢測的圖像採集方法和裝置，並利用基於語義權值的邊緣提取方法和基於視覺模型的閾值選擇策略進行傳輸帶上物質的截面輪廓線提取，計算物質截面面積和較短時間內的流量體積。 -
Meanwhile, objective to the requirement of both real - time and accuracy for moving shaped target detect and tracking, a novel method is proposed based on combination of images difference and feature invariant. the paper improved the tradition difference method, constituted a feature invariant which characterized the object contour without influence of object ’ s size change, shifting, and rotation, and developed a dynamic - extremum - matching scheme
同時，針對識別跟蹤具有形狀信息的大飛行器目標所提出的快速準確要求，提出了一種基於改進的差分演算法與特徵不變量匹配的目標識別方法，彌補了傳統圖像差分方法的不足，構造了一個具有平移、大小和旋轉不變性的特徵不變量用於識別目標，並研究出一種動態極值匹配方案。 -
Finally, take out urban population - time contour to evaluate urban time structure. this thesis take shenzhen special zone for a case study, and it is divided into 165 time - cells firstly. charted with them, and time - cells are clustering analyzed as well
在實踐方面，本論文以深圳特區為研究個案，對深圳特區進行了時間單元的劃分並繪制出時間單元圖，同時對深圳特區的時間單元特點和類型進行簡單分析。 -
Experimentally, the plasma produced by cable plasma gun ( c - gun ) and dense plasma focus ( dpf ) was measured by the laser differential interferometer system. the clear interference patterns were acquired at different time. the contour maps of line integral density and curves of radial local density at different height above nozzle were presented
實驗上，對等離子體斷路開關中的電纜等離子體槍（ c - gun ）和等離子體焦點裝置（ dpf ）產生的等離子體進行了測量，獲得了對應不同時刻的清晰的干涉圖像，給出了線積分密度等值線圖和距噴口不同高度處的徑向密度分佈。 -
The round contour integration method is proposed to accurately simulate the currents on conducting thin - wire by using the subsell technique in the finite difference time domain fdtd method
提出了在時域有限差分fdtd方法中應用亞網格技術精確模擬細導線上電流的改進方法圓形積分迴路法。 -
Shiphandling simulator is a device that can partly imitate the true environment at sea ， and is specially designed to satisfy marine education and trains and maritime research etc. one of its key techniques is to create the virtual environment at sea ， and the terrain is its important component. according to the needs of the real time visual display of the shiphandling simulator ， this paper analyses the requirements of the geometry precision of the important islands and background hills which are within the ships ' visible scope ， and brings forward the modeling methods of the hill ' s pileup and the hill ' s silhouette edges based on contour lines. it also presents the definition of error that the hill ' s silhouette edges graph has been given and the effective scope of application ， and firstly established the error criterion of terrain model that is built in shiphandling simulator. with these two kinds of method ， the size of data storage can be minimized greatly ， and the requirements of high update rate and geometry precision for the real time visual display of the shiphandling simulator can be satisfied
船舶操縱模擬器是一種能夠部分模仿海上真實情況，專門為滿足航海教育與培訓、航海技術研究等目的而設計研製的裝置，其核心技術之一是海上視景模擬，而地形地貌是海上視景中的重要組成部分.根據船舶操縱模擬器實時視景顯示的需要，在分析航行船舶對可視范圍內重要島嶼與背景山脈的幾何精度要求的基礎上，提出了基於等高線的山形堆積建模和山形輪廓建模方法，並給出了山形輪廓圖形的誤差定義、有效適用范圍，以及船舶操縱模擬器中地形建模的誤差準則，該方法生成圖形的數據量較小，其圖形更新速率與幾何精度能達到船舶操縱模擬器實時視景顯示的要求 -
The fill time result shows the position of the flow front at regular intervals as the cavity fills. each color contour represents the parts of the mold which were being filled at the same time
充填時間?間隔顯示流動波前隨時間的位置變化，同一種顏色的等值線表示這些部分同時被充填。 -
Generally speaking, the algorithm of terrain contour matching is adapted to be used in cruise missiles which made fight path prior for that this algorithm is not a real - time system for it makes use of historical terrain data. while kalman filter algorithm is a real - time, rapid calculation system. which is appropriate for pilot or pilotless aircraft
得出，地形輪廓匹配演算法使用歷史地形數據，實時性差，比較適合事先規劃好航跡的導彈使用：卡爾曼濾波的方法有較好的實時性，計算速度快，很適合有人無人駕駛飛機的機動飛行要求；小波分層只是對地形信息做了高低頻分解，其本質還是相似性度量演算法，但它有效的降低了匹配演算法的計算量。
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