surface loop 中文意思是什麼
surface loop
解釋
表面環-
Then, the associated search optimal algorithm based on virtual avl tree is promoted to rapidly reconstruct the half - edge topological structure. 3. to rebuild the tooth surface from the littery measure data, the membrane deformation algorithm based on loop subdivision is given to fit density triangle meshes to subdivision surface
前者巧妙、高效地完成了去除冗餘點的工作，將stl數據的存儲尺寸壓縮為原來的18 % 25 % ;後者完成了數據的半邊拓撲重建，使得后續對于邊界邊搜索、 1環鄰域搜索顯示出較好的優勢，實現了三角網格模型的快速拓撲重建。 -
Some typical schemes are implemented via this data structure ( loop subdivision, catmull - clark subdivision, do - sabin subdivision, hybrid subdivision, adaptive subdivision ). the technique of opengl is utilized to accomplish some basic operations, such as rotation, zoom, pan, pick and so on. finally the algorithms studied by our research group are integrated, and a prototype system based on subdivision surface is developed
（ 4 ）改進了適合於曲面細分的的翼邊數據結構，並實現了典型的細分演算法（ loop細分、 catmullclark細分、 doo - sabin細分、混合細分、自適應細分） ；採用opengl技術實現了旋轉、縮放、平移、拾取等圖形的基本幾何操作；最後將本課題組研究成果加以集成，開發了一個基於細分曲面的原型系統。 -
Energy correction factor of semicircular dislocation loop at surface
表面半位錯環能量修正系數的計算 -
The sticky loop is then used to pick up a few seeds from the filter paper and to deposit them evenly across the agar surface
已降溫的帶一定粘性的接種工具被用來取已經消毒的種子（或外植體）並將它們均勻地接在培養基上。 -
The system selects switching surface according to the approach of variable structure control. based on the control rules to design the variable structure controllers, the inner loop and the outer loop form a complete vsc control loop. the control system has switching surface and the system brings sliding along fixed desired trajectories
根據滑模變結構控制方法選擇切換面，根據控制律，設計變結構控制器，使內環和外環合成為一個vsc控制器，系統的控制有切換，而且在切換面上系統將會沿著固定的軌跡產生滑動運動。 -
Material downflows to its two foot - points along the magnetic line in the north loop, and flows away from the solar surface in the south loop
北環裏面的物質沿著磁力線在重力的作用下朝日面下落，南環裏面的物質則是朝高空噴射的。 -
Hysteresis loop of ferromagnetic materials are measured by using surface magneto - optic kerr effect, and the kerr rotation angle is obtained
摘要用表面磁光克爾效應測量鐵磁材料的磁滯回線，並求得在飽和狀態下的克爾旋轉角。 -
For long time, a kind of device called physical inductive loop was used extensively in vehicle ' s count and violation drive, which detect vehicle by inductive loop buried in surface of ground
在虛擬線圈的檢測技術中，利用平均絕對差分值最小的模塊匹配準則，用當前圖像的某一宏塊在下一幀內搜索最優匹配。 -
Secondly, the problem of the curve - surface mutual transforming and smooth - finishing have been analyzed farther. for the surface intersecting problem : owing to the introduction of the boundary points, as long as the intersecting points on a certain line, the full intersecting line can be gained. the intersecting line either intersects at the boundary of the triangle surface or forms the loop ; during the course of tracking, the selecting of the pace is restricted by the curvature, the number of the gained intersecting points are not in proportion as the chord - length ; the intersecting points not only record the coordinate and store the parameter
對兩曲面求交問題，當曲面細化足夠小時，曲面求交可近似看成曲面與平面相交問題，引進了邊界點的概念，因此只要知道交線上的任意點，就可以將跨越許多曲面片的整條交線計算出來，所求出的交線或者跨越曲面的邊界，或者形成交線環；從初始點出發跟蹤求解整條交線的過程中，步長的選擇採用了通過曲面片曲率來約束的方法，用該方法求出的交點在不同曲面片上的分佈數目不與弦長成正比；該求交方法包含了各曲面片的邊界線與交線的交點的求解，可獲得邊界交點的坐標值及其參數值。 -
Adaptive anti - interference for high - frequency surface wave radar based on orthogonal loop whip antenna arrays
單極子交叉環天線陣的自適應抗干擾 -
The four basic processing operations of 3d triangulation algorithm composed by boundary loop extending, splitting, merging and closing are summarized, the triangulation for any type of surface can be considered as the combination of these four basic processing operations, which makes the algorithm have great adaptability and can deal with scattered data points of diversified surface
通過分析各種曲面的特點，總結出邊界環在空間擴展、分裂、融合和封閉是3d三角劃分演算法的四個基本過程元素，任何類型的曲面的劃分過程均為這些基本過程元素的有機結合，使得演算法具有很強的適應性，能夠方便處理各種類型曲面的散亂數據。 -
The states of the closed loop system moved in the sliding mode band of the time - varying sliding surface globally. reaching mode is eliminated and robustness of the closed - loop system is enhanced. the sign function of the switching surface function is replaced by a saturate function to reduce the chattering
該控制方法使得閉環系統對于任意初始狀態都處于滑動模態區內，然後通過結合旋轉和平移滑模面的方法，使隨後任何時刻的系統狀態都處于滑動模態區內。 -
( 2 ) two algorithms to generate the offset of loop subdivision surface are developed
（ 2 ）對loop細分曲面等距面生成演算法進行了研究，提出了兩種等距面生成演算法。 -
Such structure can be described with strict feedback system. motivated by vehicle cruise control, this paper investigates nonlinear robust control of strict feedback system and presents a lyapunov - based design method : dynamic surface control and proves the exponent stability and arbitrary small bounded tracking error of the closed loop system
本文在汽車巡航控制應用背景下，討論了嚴格反饋非線性系統的魯棒控制問題，給出構造性的非線性控制器設計方法： dsc （ dynamicalsurfacecontrol ）魯棒控制器，並對閉環系統穩定性進行了分析，證明了調節問題的指數穩定性和任意有界誤差跟蹤性能。
分享友人