象面掃描 的英文怎麼說
中文拼音 [xiàngmiànsǎomiáo]
象面掃描
英文
image plane scanning-
Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )
本研究以武裝直升飛機防護裝甲材料為研究對象,採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料,結合其力學性能、掃描電鏡和界面微區能譜分析結果,分析了sic _ p al復合材料的真空燒結過程中的界面現象,以及材料增強和斷裂機理,並利用hopkinson高速壓桿沖擊實驗系統對其從靜態到動態(應變率為3 . 3 10 ~ ( - 3 ) s ~ ( - 1 ) 5 . 2 10 ~ 3s ~ ( - 1 ) )的壓縮破壞響應進行了研究,分析了不同體積分數sic _ p al復合材料高應變率壓縮載荷下,材料的變形和微觀損傷機理,以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。Design the software of compton back - scattering imaging scanner, point out the functions of this software. give out the program modules in which the directory and contents of this software is included. give out the interfaces of the main program modules and describe the meanings of operating elements on these program interfaces briefly
指明了本應用軟體的功能,主要是控制三維掃描運動和源的工作位置、數據採集和處理以及文件管理和幫助等;給出了程序結構模塊,從中列出了軟體所含的主要目錄;給出了幾個主要的程序模塊的界面,簡要說明了界面中各操作對象的含義。In order to reduce and compensate charge phenomena at the surface of non - conductive oxide materials under the electron irradiation, oxygen environmental scanning electron microscopy ( sem ) is offered in this thesis
本論文提出氧環境掃描電子顯微分析方法,以減輕和補償非導電氧化物類樣品在電子束輻照作用下的表面充電現象。Xenon computed tomography not only takes a picture of the brain, as does a traditional ct scan, but also allows doctors to measure exactly how much blood is flowing to different parts of the brain
由計算機操作的氙氣層面x線照相術不僅可以象傳統的ct掃描儀那樣拍攝下大腦的圖像,還可以使醫生精確地測量出到底有多少血液流回大腦的不同部位。The intermediate code created by the compiler is very compact and is propitious read by the running system because the paper uses reverse polish representations, hi the simulative running system, the paper uses the hardware plc principles and the oo method to white the running program
中間代碼採取了逆波蘭表示法,這使得生成的代碼比較緊湊,且有利於運行程序的讀取。在模擬運行部分,本文利用硬plc循環掃描的工作原理,結合pc環境下的特點,用面向對象的方式編寫出了模擬運行程序。Adoption the front is first into of, the revolution line scan the technique ; make the clear degree of portrait and appearance exceed the speed limit to increase, attain perfect pure nature of color result, accurate restore each appearance, is all your each inch view deeply drunk is in the hundred percent of magic power world
採用當前最先進的革命性的逐行掃描技術使圖象及畫面清晰度超速提高,達到完美純凈自然的色彩效果,準確還原每個畫面,令您每寸視線均沉醉於魅力十足的影音世界。It was showed that dlc gradient film material had a good stability of hemocompatibility, for its surface almost had no changes. in comparison, the hemocompatibility of t16a14v became worse since its surface had been heavily scratched and dense oxide films on its surface had been destroyed. fratal theory and image processing method had been applied to calculate the fratal dimension of tribological surfaces furthermore to elavuate the surface morphology and roughness
摩擦表面具有多尺度相似性和隨機性的特點,採用分形幾何理論描述表面的粗糙程度及形貌特徵,三維表面的分形維數可以作為一種尺度無關的粗糙度評定參數,利用圖象處理方法,通過材料表面的掃描電鏡sem圖象灰度數據來計算三維表面的分形維數。Scanning frequency has reached over 240hz which makes the menu stable and no flicker. in using actually, we use vidicon shoot the display screen. and then we can observe the photo is very clear from the vidicon
2掃描場頻達到了240hz以上,畫面穩定無閃爍,在實際應用中,用攝像機拍攝顯示屏,攝像機中觀測到的圖象十分清晰,沒有同步滾動條,若現場有電視轉播,顯示屏不會影響轉播畫面的質量。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 。First, the basic raster graphics algorithms for drawing 2d primitives are introduced, including edge coherence and the scan - line algorithm of triangle, brush algorithm of thick line ( and its improved method ) and midpoint circle and ellipse algorithm ; and the current situation of the advanced algorithms is also involved. second, the mapping of high level programming language to hardware description language is described, some principles of the conversion of algorithm to state machine are proposed also ; then, the implementation of basic graphics in hardware is discussed in detail, the state machines are drawn in the paper, and the interfaces of hardware are defined, block diagrams too, and the advanced algorithm of conic is proved ; finally, some issues about test are described, the results of simulation and synthesis are given in the last, and some detailed data are displayed in the appendix
首先介紹了現有的基本圖形生成演算法,包括三角形邊相關掃描演算法,寬直線的線刷子演算法及其改進和圓形、橢圓的生成演算法,同時介紹了加速演算法的研究現狀;然後,討論了高級語言描述到硬體描述語言的映射,提出了演算法到狀態機抽象的規律;接著具體討論了基本圖形的硬體實現,給出了各演算法的狀態機圖,介面定義和實現框架,並且從理論角度給出了二次曲線加速演算法的證明:最後採用軟體工具進行測試驗證,給出了模擬、綜合實現的結果,並在附錄中有詳細的實驗結果數據。The sem and the pl observation showed that the surface of porous silicon prepared by pulsed etching was more uniform and the si particles were smaller. the intensity of pl formed by pulsed etching method was enhanced and the peak had blue shift comparing that formed by dc electrochemical etching method. at the same time, it was observed that the smaller the dimension of the porous silicon, the broader energy gap of the porous silicon
採用脈沖和直流電化學腐蝕兩種方法制備多孔硅,對這兩種方法制備的多孔硅樣品進行掃描電鏡和熒光光譜的測量,發現脈沖腐蝕制備的多孔硅樣品比直流腐蝕制備的多孔硅樣品表面均勻、顆粒尺寸小、發光強度大,而且發光峰位有明顯的藍移現象。Key technologies based on the point cloud data obtained by the structured light sensor are studied, including the preprocessing of data points and the method surface fitting
本文以線結構光視覺傳感器獲取的點雲數據為對象,對掃描數據的預處理和斷層掃描數據的曲面擬合進行了研究。The surface structures of the pink freshwater pearls from jiangsu - zhejiang region and the white seawater pearls from guangdong province are studied by using polarizing microscope and scanning electron microscope ( sem )
以產于江浙地區的粉色淡水珍珠和產于廣東省的白色海水珍珠為研究對象,採用偏光顯微鏡和掃描電鏡測試方法對其表面結構進行了觀察。We scan photographs of tissue slices to get 2d data and then these data are classified and transfer into 3d data which are saved into database. we do geometric construction by contour connection algorithm and render the tissue using volume data based on surface. some algorithms used widely are compared in this article and implemented in the experimental system : simulating lost datum by linear interpolation, adjusting surface profile by twice bezier interpolation, dealing with some special normalized vector
通過掃描輸入的人體組織的切片圖象,獲得組織的二維信息,再將這些二維數據經過分類和轉換,把它們轉換成對應的三維體數據,在數據庫中保存:然後採用contourconnection演算法進行幾何重構,用三角面進行等值面擬合,實現基於等值面的體數據的三維圖像繪制。This controller can implement different scanning controls for various common portable scanners of 100 to 400 dpi. it can communicate with pc through lpt, and fulfill the further display, analysis and handling of the scanning image data
該控制器能完成對常用的100dpi至400dpi的便攜式掃描儀的各種控制,並且可用dsp的主機介面與pc機通訊,從而可以完成對圖象數據的進一步分析、處理和顯示。On the basis of previous work, we developed a new data processing system by use of dsp & oop. the new system overcame the problems existed in the old data processing system successfully, such as the bug which cause program dead loop when the data is too long, and the frequency leak due to principle limit of fft filter. in addition, we eliminated the measurement error brought on by phase warp
我們在前人的工作基礎上,利用現代數字信號處理技術和面向對象的軟體開發技術,統一了彈上黑匣子數據處理系統的操作平臺,完善了轉速、掃描角測試數據處理系統,修正了原有處理程序中的因數據長度過長而導致程序死鎖的bug ;利用有限沖擊響應( fir )濾波器,在濾去噪聲的同時,有效地解決了矩形窗fft濾波的頻譜泄漏問題;另外還解決了因相位偏差而導致的測試誤差。分享友人