scanning path 中文意思是什麼
scanning path
解釋
掃查軌跡-
The article primarily described the preparation technology and function token of ceramic fiber composite microporous membrane. which main include : the choices of ceramic fiber, the preparation and dispersion of ceramic fiber which the rato of long path can be controlled, preparation technology and function of the microporous ceramic support, the chemistry constitutes of the ceramics fiber composite membrane and the influence of the every kind of factor on the membrane function, the vacuum forming technology of ceramics fiber composite and the influence of the every kind of factor on the membrane function, and the microstructure of the ceramics fiber composite microporous membrane was analysised by the scanning electron microscope ( sem )
本文主要描述了陶瓷纖維復合微濾膜的制備工藝及性能表徵，其中主要包括：陶瓷纖維的選擇、可控長徑比的陶瓷纖維制備及分散工藝、陶瓷纖維膜支撐體的制備、膜組分配方及各組分配比對材料性能的影響、陶瓷纖維膜的真空抽濾成型工藝及各工藝參數對膜材料性能的影響等，並對陶瓷纖維復合微濾膜的顯微結構進行了掃描電鏡分析。 -
Effect of scanning path on temperature field in direct metal laser sintering process
激光掃描路徑對直接金屬激光燒結溫度場的影響 -
Based on the relationship between the change of the cornea thickness and optical path length, the ablation profile for the correction of wavefront aberration is presented and simulated on computer. the process of scanning - spot excimer laser is studied and simulated on computer. models for calculation of residual wavefront aberration on situations of lateral decentration and torsional misalignment are brought up
使用改變光程的方法建立起波前像差與角膜切削量之間的關系，並對像差矯正模型進行計算模擬;深入研究了小光斑準分子激光飛點掃描模型，對飛點掃描過程進行計算模擬;提出了中心偏移和旋轉情況下剩餘像差計算模型，為定量研究切削中心定位精度對像差矯正的影響提供了依據。 -
( 3 ) there are many flaws in direct laser metal sintering, such as the high remnants stress, micro - hole and micro - crack in sintering parts. in order to solving those problems, the programming of scanning paths is put forward, and several parts are prepared with different scanning paths respectively. the following conclusion is educed : the parts produced with short - side scanning path and same scanning direction have the minimum structure, the rigidity of parts prepared by short - side and same direction scanning path is highest, and the density of parts produced with the vertical scanning path is maximal
（ 3 ）針對採用大功率激光直接燒結鎳基高溫合金成形金屬零件存在的問題，如較大的殘余應力，製件中存在著微裂紋、微孔洞等缺陷，初步提出掃描路徑的規劃，並採用幾種不同的掃描方式進行燒結試驗，發現採用短邊掃描路徑和同向掃描能夠獲得更加細小和分佈均勻的組織結構，採用短邊同向路徑制備的試樣其顯微硬度最高，而採用變向掃描（垂直）路徑制備的試樣緻密性最好。 -
In this thesis, the 2 dimensional ( 2d ) and 3 dimensional ( 3d ) models of the sls of 316 stainless steel powder were constructed. apdl ( ansys parameter design language ) was used to control the density of thermal flow, velocity and path of scanning
本文建立了316不銹鋼粉末激光燒結的二維、三維模型;運用apdl語言控制熱源的熱流密度、移動速度以及掃描軌跡;研究了單層多道和單道多層燒結的溫度場和應力場。 -
Dynamic geometric simulation of sls process based on fractal scanning path
基於分形掃描的選擇性激光燒結過程動態幾何模擬 -
The research is based on a type of low - cost desktop rapid prototyping system which replaces the laser with common uv light. in stereolithography process, once the cross - section contours is obtained through the slicing processing on stl model, it is needed to do more data processing such as inside and outside boundaries recognition, facula radius compensation, scanning and path planning to generate process control data
在光固化快速成型工藝中，當由切片軟體對stl模型進行切片處理得到了層片截面輪廓后，為了形成加工控制數據，必須對截面輪廓進行諸如內外輪廓識別、工藝補償、掃描及加工路徑規劃等一系列的工藝數據處理。 -
Owing to processing result relying on choice of image scanning path, a new halftoning method of context - based space filling curves is proposed
論文研究的新方法有： 1由於圖像處理過程中掃描路徑的選取不同直接影響半色調圖像的質量。 -
Main contents are as follows : analyzing structure of image rendering system -, discussing on three factors affecting digital halftoning technique which are threshold choice, choice of image scanning path and error filter coefficient ; probing into merits and deficiencies of existing technique. in the thesis, many new methods or techniques are : 1
其主要內容包括：分析了圖像再現系統的構成；探討了影響數字半色調技術的三大因素（閾值的選取，圖像掃描像素路徑的選取以及誤差濾波器系數的選取） ；討論了現有數字半色調方法實現過程的優點和不足。 -
Effective scanning line algorithm was designed ; divided scan path was used, and extract scanning line vector to area filling. it can be concluded that this algorithm increases manufacturing velocity and accuracy
文中設計了有效的掃描線與多邊形邊的求交演算法，保證了交點的正確配對；採用分區域掃描策略，提取同區域的掃描矢量完成了掃描，使成型速度與精度都有所提高。 -
In the method that reflects autocorrelation of image, the optimal path of scanning image is acquired by inherent coherence and relationship among near pixels of image
該方法是根據圖像相鄰像素灰度值之間的內在關系求出掃描圖像像素的最佳路徑。 -
In television and facsimile, the path traced by scanning spot
在電視和傳真中，由掃描點描繪出來的路徑。
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