contour control 中文意思是什麼
contour control
解釋
仿形控制-
The paper presents several aspects in partition rectification and visualization of raster image. adopt technology of visualization for scientific calculation, vector diagram of deformation 、 contour chart of deformation and drawing of three - dimensional are realized. delaunay tin in view of deformation feature is constructed on base of selected grid control points and methods and mathematical models for partition rectification are realized based on the delaunay tin. software of geometric rectification for large scales are realized and applied in project
本論文針對柵格影像的變形可視化及分塊糾正展開研究，取得了以下幾方面的研究成果：一、採用科學計算可視化技術，繪制變形矢量圖、變形等值線圖和三維效果圖，實現了柵格影像變形特徵的可視化；二、提出了在格網控制點（ gcp ）數據基礎上選擇性構造顧及變形特徵的delaunay三角網，並基於構造的三角網實現了分塊糾正的方法和數學模型；三、採用vc編制了影像幾何糾正軟體，實現大比例尺掃描地形圖的糾正，並在工程中得到應用。 -
The principle of gacm is the same with one of the traditional model of active contour, that is, the model searched and exacted the object contour by cooperation of the curve inner control force as well as the image force
短程線主動輪廓模型的基本思想和傳統主動輪廓模型一樣，是在曲線內部控制力和圖像力相互作用下使曲線運動到物體輪廓來完成對物體輪廓的搜索和提取。 -
( 6 ) in agroforestry and contour hedgerow treatments, soil structure and soil texture is improved with soil bulk density decreasing and soil porosity and capillary pore increasing. finally, water - holding capacity is improved. ( 7 ) soil loss in small plots of comprehensive management treatments is significantly lower than that in control
… ）實施農林復合經營和生物籬埂技術可明顯的改善土壤結構，降低土壤容重，增加上壤總孔隙度和毛管孔隙度，從而提高土壤的保水持水性能。 -
Firstly, given the seed point of the interesting region, it detects the edge points that has the shortest distance to seed point in some directions, takes these points as the control points to form the initial b - spline active contour
該方法是一種圖像兩步分割方法，給出位於感興趣區域內的種子點后，首先用canny運算元檢測出各個方向上與種子點最近的棱邊點，以這些點為控制點，形成初始的b樣條活動圍道。 -
The developed simple m - s model is suitable for weak edge image segmentation by adjusting weighting coefficient. the experiments on tumor ct image segmentation show that geometric active contour model requires more computational load than snake model but it can converiently control the topology construct of segmented image
在腫瘤ct醫學圖像分割實驗中，通過比較參數活動輪廓模型與幾何活動輪廓模型可知，參數活動輪廓模型計算量小於幾何活動輪廓模型計算量，而幾何活動輪廓模能適應拓撲結構的變化。 -
Piston ring is the important accessory of the engine and turning its contour is the key procedure to ensure the performance of piston ring it has great value in economy and society that we develop the nc machining system for outer circle of piston ring to manufacture the high quality piston ring and to replace the import machine according to piston ring contour data provlded by the cad system ， it can turn the piston ring contour by controlling the displacement of servomechanism which is controlled by the angle of servo motor it uses the theories of velocity closed loop 、 dlsplacement closed loop and feed forward control to improve the control precision of system on the basis of theories of elastic mechanics and mathematics ， the cad system can provide the accurate data required by the nc machine system according to the calculation model and the parameters of piston ring this system integrates the cad cam technology
系統根據活塞環cad系統生成的介面數據，通過伺服電機的轉角位置控制自主研製的高性能微位移進給機構產生給定的位移，以完成活塞環輪廓的仿型加工。系統採用速度、位置閉環控制及前饋控制理論，以提高系統的控制精度。活塞環cad系統以彈性力學和數學方法為基礎，根據常用的計算模型與活塞環參數自動生成數控加工系統所需的精確的介面數據，實現cad / cam一體化。 -
In the application of tf / ta2 flight control system, significant issues arise due to position errors, which is destructive for low altitude penetration aircraft. the concept of utilizing terrain contour matching technique to fixing the errors is introduced, and this concept is essential for military tf / ta2 flight applications without gps and forward looking radar in our nation
論文首先簡要介紹了綜合tf ta ~ 2飛行控制系統的相關背景知識和技術，包括航跡規劃、飛行控制和航跡跟蹤等相關技術，給出了地形匹配系統設計和應用的技術背景和相關理論。 -
By applying the optimal control theory and using the method of multi - designing points to design the cam contour curve with both good dynamic property and strong parametric anti - disturbance force, and the feasibility of this method was verified by a living example
摘要應用最優控制理論，提出以多設計點法來設計既有良好動態特性且抗參數擾動力強的凸輪輪廓曲線，並以實例驗證了該方法的可行性。 -
Optics material such as optical glass, optical crystal and glass ceramic can be machined with mrf. the mrf machine tool is the fundamental equipment to fulfill advanced techniques of manufactory. as a part of the key project, “ research on nano - scaled ultra - smooth surface magnetorheological finishing technique ”, the mrf machine cnc system was developed and some key techniques such as surface control, contour control, servo control and interpolate algorithm are deeply studied in this dissertation
磁流變拋光機床是實現磁流變拋光技術的重要基礎設備，本論文結合「納米級超光滑表面磁流變加工新技術研究」的課題，開發了磁流變拋光機床數控系統，並對其諸如面形控制、輪廓控制、伺服控制及插補演算法等關鍵技術進行了比較深入的研究。 -
Accurate contour control
高精度輪郭制御 -
In this thesis, we achieve a test - bed of motion control based on dsp using tms320f240 evm, xds510 emulator, pc, ac servo driver, ac permanent magnet synchronic servo motor and two direction graph plotter etc. the thesis analyzes the influence that the dynamic characteristic and the change of parameter of the system cause contour error of the system, then adopts fuzzy adaptive pid control method, single neural cell pid control method and fuzzy - neural network control method, and introduces the influence that the control methods lead to dynamic characteristic and contour error of the system. finally some useful results are obtained by analyzing and comparing the control methods, and it is possible to make the combination of advanced control methods and high efficiency of dsp
在此基礎上，分析了系統的動態特性和參數變化對系統輪廓誤差的影響，先後採用了模糊自適應pid控制策略、單神經元pid控制策略以及模糊神經網路控制策略，並詳細分析和比較了這幾種控制策略對系統的動態特性和輪廓誤差的影響，得出了一些有用的結論，以使先進的控制策略和dsp的高效數據處理能力的結合成為可能。 -
In the first part of this thesis, the method of data collection for building a 3d scene based on a planar vector map is studied. to the most difficult problem in data collection : the evaluation of contour line, a suit of effective automatic assisting method is advanced, which can remarkably shorten the process period and improve the efficiency of spatial data collection. the main idea of this method is " control point congregating automatically and close control point cooperating "
本文主要研究了基於二維矢量圖如何獲取構建三維場景所需的空間數據，包括地形、地物的二維數據採集與三維建模方法，並針對數據獲取中的主要難題，即等高線高程賦值問題，提出了一種基於高程式控制制點自動聚集、相近控制點協作的自動處理方法，顯著縮短空間數據獲取的處理周期。 -
Position control is one of the motion control, it requires high control precision and high trace speed, so how to improve the dynamic characteristic and how to reduce the contour error of the system are the keys of the control
位置控制是運動控制的一種，它要求較高的控制精度和跟蹤速度，因此如何提高系統的動態特性和減小系統的輪廓誤差是控制的關鍵所在。 -
We compare the b - spline curve interpolation and b - spline surface interpolation, analyze the fault of the b - spline curve interpolation and point out that we should use b - spline surface interpolation instead of b - spline curve to keep the continuity of the data result. also, we introduce the way to get control point from value point. then we propose the multi - step fitting of the dense and scattered data to construct b - spline surface, this algorithm perfectly resolve the obstacle of denseness and scattering of the contour line data
第三章介紹了b樣條插值原理，論述了用b樣條曲面代替b樣條曲線對等高線進行插值，解決了線插值的不連續問題；並在b樣條曲面中運用了密集散亂數據點多步擬合演算法，解決了對等高線進行b樣條曲面插值中數據點散亂冗餘的問題。 -
After the discussion of several kinds of optimum threshold segmentation methods, a multi - feature vector space and three new criteria ( global comparison detection, geography priority privilege, equal opportunity for competence ) are developed for region growing control, a new region growing method is brought forward. at last the region splitting and merging, region clustering, neural networks, snake active contour model et al have been discussed
提出了全局比較探測、面積測定及空間優先、競爭機會均等三個有效的準則，利用灰度、紋理多特徵矢量改進了傳統的區域增長演算法，並對紋理分析，神經網路分割和snake活動輪廓分割進行了有益的探索。 -
In order to find otit a new set of measures to control soil erosion on sloping cultivated farmland in three gorges reservoir area, we have adopted narrow terrace and put agroforetryjmd contour hedgerows into effect by means of sustainable development theories, ecological theories, and social economic theories since feb. 2001
本文針對三峽庫區的具體環境、氣候條件，為探索庫區陡坡耕地水土流失綜合治理的新方法，在庫區的陡坡耕地上，應用可持續發展理論、生態系統原理、社會經濟學理論，採用水平階整地方式，實施農林復合經營和生物籬埂技術。 -
Control method on 5 - axis numerically controlled electrochemical contour evolution grinding of integral impeller
五軸聯動數控展成電解磨削整體葉輪的控制方法
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