surface patch 中文意思是什麼
surface patch
解釋
補表面-
A circular opening in an opaque screen transmits only a small circular patch of a wave surface.
不透明屏上一個圓孔僅僅透射波面的一小圓塊。 -
Then, pattern synthesis for sparse array antenna using genetic algorithms is researched. at last, we researched on conformal patch on the surface of cylinder and the effect of conformal antenna platform on the radiations of patches in different positions. how to get a good feeding for conformal array antenna by genetic algorithms is presented in the end
文中介紹了遺傳演算法在綜合低副瓣陣列中的應用;採用遺傳演算法給陣列天線的方向圖賦形，其結果優于同種條件下用woodward法得到的結果;同時，考察了遺傳演算法的穩定性;分析討論了遺傳演算法在綜合稀疏相控陣方向圖綜合中的應用。 -
In order to realize 3d garment intelligent design, this paper brings forward a method to set up 3d garment model with form - points controlled spline and bi - cubic surface patch
摘要為了實現三維服裝款式智能設計，提出以形值點控制的樣條曲線和雙三次曲面構建服裝立體模型的方法。 -
A patch antenna with etched holes on the ground plane is also studied. the performance of the antenna at the resonant frequency is analyzed by using the fdtd method together with the pml boundary treatment. the results show that the surface waves are suppressed greatly, the bandwidth is improved and a 1 odb reduction on the sidelobe level is achieved at the 110 and 260 directions in the e plane
全面地研究了地面腐蝕周期圓孔結構的電磁晶體貼片天線在基波頻率處的性能，用fdtd方法並結合pml邊界處理技術對該天線所取得的研究結果顯示，本文設計的地面腐蝕型電磁晶體結構抑制了貼片天線中的表面波，增加了天線的帶寬，並有效地削弱了旁瓣，使天線的e面方向圖上110和260方向的兩個旁瓣被削弱了10db 。 -
The key techniques for reverse engineering based on ct image are introduced. 3d reconstructed surface model does n ' t possess full geometry and topology information as solid geometry model. this dissertation presents an algorithm for rebuilding solid model from triangulated patch surface mod
介紹了基於ct圖象反求的主要技術；針對重建三維表面模型不具備象實體幾何模型的數據那樣的完備信息的特點，提出一種基於ct圖象的反求技術的實體幾何造型方法，將重建模型轉換為邊界表示的實體模型，並將其作為本研究所開發的特徵造型系統3dmodeler中的一種反求工程實體造型手段。 -
A patch antenna with air holes in the substrate has been designed. the finite - difference time - domain ( fdtd ) method together with the perfectly matched layer ( pml ) boundary treatment has been used to study the performance of the antenna. it is shown that the surface waves are significiently suppressed, the frequency bandwidth is improved, the sidelobe levels are reduced and consequently the gain in the forward direction is improved by 14 db ( about 4 db higher than the value reported previously )
設計了一種基底鉆周期圓孔結構的電磁（光子）晶體貼片天線，用fdtd方法並結合pml吸收邊界條件對該天線進行了研究，結果表明本文所設計的基底鉆孔型電磁晶體貼片天線取得了多方面的性能改善，與普通天線相比，基底中的表面波受到很大抑制，天線的帶寬增加，遠場方向圖上天線的旁瓣和背瓣被明顯削弱，向前輻射的增益由原來的12db增加到26db ，增加了14db ，比文獻上報道的gonzalo等人的研究結果提高了4db 。 -
The radiation pattern of the antenna is more rotationally symmetric, and a more reduction on the sidelobe levels of the antenna is achieved as compared to the antenna with the corrugated soft surface. in conclusion, in the present thesis both theoretical and experimental research works have been carried out intensively on patch antennas based on photonic - bandgap structures. it is shown that our photonic bandgap structures can greatly improve the performance of the patch antennas
該平面圓環結構軟表面天線是在空氣介質的皺褶圓環結構軟表面天線的基礎上改進得到，為了便於比較，我們首先研究了空氣介質的皺褶圓環結構軟表面天線，用fdtd方法並結合pml吸收邊界條件對該天線的性能進行了研究，結果表明天線的帶寬增加，天線的軸對稱性得到了很大改善， e面和h面方向圖的波束幾乎重合，天線的旁瓣和背瓣受到很大的抑制。 -
And finally the blending surface and smooth patch are investigated. this paper includes such contents as : according to the features of re, a software architecture which fits for re is designed, whose function is given separately. the surface reconstruction module is programmed by vc + +
通過以上工作，得出如下結論：在分析逆向工程系統軟體所需完成的功能基礎上，進行系統軟體整體規劃，並確定各模塊所需完成功能，對曲面重構模塊採用vc + + 6 . 0的鑒別器進行實現。 -
The patch delivers medication intradermally ? just below the surface of the skin ? and enables precise control of dosage timing, access to dosage history, patient activation mechanisms and inherent safety protocols for preventing adverse drug interactions
該貼劑通過皮下施藥-恰好位於皮膚表層之下-可以做到精確地定時定量給藥，可以獲取給藥歷史，帶有患者激活機制以及防止藥物相互作用的內在安全性設計。 -
The main difficulty along with approximating to object ' s surface with multi - nurbs patches is that one must deal with more control points, especially the control points around the jv - patch corner because of the intertwining of the geometric continuous constraints along the boundaries converging on the corner
用nurbs曲面分片逼近物體表面帶來的問題就是要處理大量的控制頂點，特別是n面角附近的控制頂點更需要特別處理，因為曲面片之間的幾何連續約束在角點處互相纏結。 -
The algorithm of construction of a fractal interpolation surface patch based on rectangular patch is presented in the modeling, the construction algorithms of osteons and volkmann canals are designed, and the distribution of volkmann canals, the size and structure of osteons can be regulated and controlled according to different area, so it can satisfy the needs of the internal microstructure model
在建模中，提出了矩形平面片生成分形插值曲面片的演算法，完成了骨單位、浮克曼管的構造演算法，並實現了根據不同區域對浮克曼管的分佈、骨單位的大小、結構等特徵進行靈活調控，以滿足內部微細結構模型的要求。 -
3. again applying the idea of singular blending to case of surfaces, a nuat b - spline interpolating blending surface is constructed by a explicit means and maximum distance between the interpolating surface and singular bilinear patch can be adjusted by the blending parameter similar to the case of the curve above. furthermore, some singular elements such as edges 、 ruled surfaces and plane can be conveniently embedded in the interpolating blending surface
3 .將奇異混合思想應用到曲面插值上，提出了nuatb樣條曲面混合插值方法，該方法不僅給出了插值的顯格式，而且在插值曲面中可任意鑲嵌棱邊、直紋面或平面，利用混合因子，調節插值曲面與相應奇異雙線性曲面片之間的最大距離 -
To overcome the drawbacks in the weight and cost of the antenna with the corrugated soft surface, a new patch antenna with patch rings is designed
（ 3 ）首次研究了一種新的平面圓環結構的軟表面型電磁（光子）晶體貼片天線。 -
For surgery tools models, this dissertation presents an algorithm to transform models constructed in solid modeling system to the developed virtual system in which surgery tools models can be constructed conveniently, accurately and parameterizely. the constructed models can have high level third dimension effect. for slice - imagings, this dissertation gives an algorithm for rebuilding solid model from triangulated patch surface model and the rebuilding processing function as an important function in reverse engineering has been added to 3d - modeler system, which is a feature solid modeling system developed by cad lab of dut, so the reconstruted bone model can be further processed in the cad system
研究了實體幾何模型向三維表面模型的轉化，針對手術規劃及模擬教學系統中的醫療器械模型，提出了一種利用三維實體造型系統構建實體模型，然後轉化為本文虛擬系統所支持的表面模型的方法，能夠方便、精確和參數化地建立模型；針對斷層掃描圖象，給出了基於ct圖象反求技術進行實體幾何造型的主要步驟，以使骨骼模型能夠在本研究所開發的特徵造大連理工大學博士學位論文型系統3dm 。 -
The quadrilateral mesh and a special kind of linear basis function is selected on the rooftop so that the treatment of the attachment of the wire antenna to the surface patch is easier than other methods reported in literatures. using the proposed method, the analyses and prediction of electro - magnetic compatibility of the electrically small conducting structure are achieved, which provides a theoretical guidance in the system level design
在使用矩量法的過程中，山于在金屬物體表面運用四邊形面元進行剖分，並在面元上選擇了一種特殊的線性基函數，園時在細天線和面元的連接處使用了改進了的方法，使得在處理細天線與面元電流相連接的部分較之以往文獻提到的方法更為簡單。 -
Road and airfield surface characteristics - test methods - measurement of pavement surface macrotexture depth using a volumetric patch technique
道路和機場表面特徵.試驗方法.使用體積修補技術測量道路表面宏觀結構深度 -
Road and airfield surface characteristics - test methods - part 1 : measurement of pavement surface macrotexture depth using a volumetric patch technique
道路和機場表面特徵.試驗方法.第1部分:利用體積補片技術測量道路表面宏觀結構深度 -
Road and airfieldsurface characteristics - test methods - part 1 : measurement of pavement surface macrotexture depth using a volumetric patch technique ; german version en 13036 - 1 : 2001
道路和機場地面特性.試驗方法.第1部分:使用體積修補 -
Scaling - up of patch model is necessary in the calculation of surface energy fluxes and evapotranspiration from remote sensing data. the simulation error of two - layer model caused by sub - pixel heterogeneity and discontinuity of surface geometry and physics were investigated using a number of data experiments
論文還分析了蒸散模型的空間尺度效應，通過一系列的模擬實驗檢驗了雙層模型中國科學院遙感應用研究所博士學位論文在不同地表非均勻狀態下的尺度誤差，並且根據通量尺度擴展的基本法則推導了雙層模型參數的尺度擴展公式。 -
The parametrization work of eck et al., and the b - spline construction scheme of peters. the main contribution of this procedure are : it presents a combinatorial optimization method for builing a quadrilateral domain from a triangular one ; it presents an efficient method for fitting a gl b - spline surface of arbitrary topological type to unorganized points ; it introduces a scheme for adaptive refinement of the quadrilateral patch network
論文工作利用了以前hoppe的表面重構工作， eck的參數化工作和peters的b樣條重構方案，主要貢獻在於：提出了從三角形域構造四邊形域的組合優化方法；提出了從無序點重構具有任意拓撲結構g1連續nurbs曲面的有效方法；提出了四邊形網格自適應細分的方案。
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