geometric processing 中文意思是什麼

According to experimental data and related standard, the finite element model of frame has been set based on its geometric model through simplified processing, selecting element, dividing mesh grids, load cases setting and putting characteristic etc. on the basis of this, the integrated finite element model of motorcycle has been established including frame, engine, suspension, wheel, rider and oil box etc. to understand the relationship and dynamic property of frame and integrated motorcycle, mode analysis and frequency response analysis have been done

根據實驗測試數據和有關標準規范，以總體設計階段得出的車架幾何模型為基礎，通過模型簡化、單元類型確定、網格劃分、工況設置、邊界處理、物理特性賦予等，建立車架的有限元模型。並基於此，建立整車的有限元模型，包括車架、發動機、懸架、輪胎、乘員、油箱等。

This paper introduces design scheme of measurement system and establishes geometric parameter measurement patterns and functions of gearbox case, which are fit for the computer on - line automatic processing. measuring circuit and software are also introduced which are designed to carry out performance of the instrumentation

文中提出了變速箱殼體綜合檢測方案，給出了變速箱殼體幾何量測量方法，建立了變速箱殼體幾何量參數測量數學模型，推導了測量方程，對測量電路、實現整機功能要求的軟體結構給出了相關論述。

It is of important value to study precise object positioning using these image data, of which the image geometric processing plays an important part

將這些影像數據用於目標精確定位具有重要的現實意義，其關鍵技術在於影像的幾何處理。

Also, through the spectral analysis in digital image processing, methods of geometric correction and accuracy analysis, strengthening of information and extraction of the feature information of emerging of ratio and information ; the extraction of species and division into sub - compartment by using multi - supplementary information sources " ; and from the identification ability of a compartment, division into sub - compartments, land type and species and the ability of accuracy of geomatric correction and map - drawing ; they can be used as the comprehensive assessment of the ability of landscape planning and many other aspects, and determine the adaptiue faculty of different information sources in the forest management inventory

經過數字圖像的光譜分析、多種方法的幾何校正及精度分析、信息增強、比值及信息融合等多重技術進行特徵信息的提取，並應用dem 、林相圖和地形圖等多種輔助信息源，提取樹種、小班區劃等信息，提高了林班區劃、小班區劃、地類和樹種識別的能力與幾何校正精度、制圖能力，可用於風景區劃等方面進行綜合評價，確定不同信息源在森林資源二類清查中的適用性能力。

For example, the geometric effect and vignetting are simulated with the synthetic method in which they are modeled with ray tracing and then simulated with pixel - based processing. the effects of detector noise on imaging are simulated with the three - dimension model. the theory of pixel transfer function is extended and developed, and microscanned images of four patterns are simulated with good results

本文具有如下幾個突出特點：用光線追跡法分析建模，而用基於象素處理的綜合方法，模擬了光學系統中的幾何效應和漸暈現象；利用三維噪聲模型，模擬了探測器噪聲對圖像質量的影響；對象素傳遞函數理論進行了擴展和延伸，給出四種工作模式的微掃描成像系統的象素傳遞函數的具體數學表達式，並利用這些表達式模擬了探測器的空間效應和微掃描成像的圖像效果。

On the basis of geometric correction for remote sensing images data, detailed character analysis was conducted for the tm images. several image transformations which are linear scale transformation, ratio processing, principal components transformation, tasseled - cap transformation and minimum noise fraction rotation ( mnf transformation ) were then implemented

在對研究區數據進行幾何精校正的基礎上，對tm數據進行了詳細的特徵分析，並對其進行了有利於植被信息提取的幾種圖像變換：線性拉伸、比值增強、主成分變換、纓帽變換以及最低噪聲分離變換（ mnf變換） 。

The paper presents a method of geometric measurement of hollow - core optical fiber using the image processing techniques

本文提出了採用圖像處理方式進行空芯光纖幾何參數測量的方法。

The error compensation software for cam precision grinding has been developed, and results show that the cam grinding accuracy can be ensured and the productive can be improved. ( 1 ) by using the method of movement error analysis of mbs, the geometric error model of sk - 21 nc machine tool has been established, and the calculation equation for precision processing of nc machine tool has been derived, which lays a good foundation of programming the error compensation software

基於該磨床目前的狀態和已有的研究成果，本課題展開了以下主要研究工作: （ 1 ）以多體系統運動學理論為基礎，建立精確的sk - 21數控凸輪磨床運動模型，全面考慮各項結構誤差和運動誤差對加工精度的影響，推導出精密加工約束條件方程，揭示機床實精密加工的實質。

Laser - scanned measuring for the diameter system involved optics, laser, electronics, computer and mechanics etc, in the system, a visible laser is taken as its light source, the geometric parameter of the measured object is transformed into the electrical sighals by a scanning optical system and an opto - electronic transformation system, the measured result is given and displayed by the computer real time data processing

激光掃描測徑儀系統是一種基於光學技術、現代激光、電子學、計算機、精密機械等多學科技術於一體在線檢測系統。它是用可見激光作為光源，把被測對象的幾何尺寸經過掃描光學系統和光電變換系統轉變成電信號，再由計算機進行實時數據處理，給出測量結果，並數字顯示。

The results showed that the processing parameters ( such as laser power, the diameter of laser, scanning speed of laser beam, ratio of overlapping ) are important to acquire a perfect component. furthermore, in order to assure geometric properties ( accuracy, surface finish ), the structure of the off - axial powder nozzle was improved to avoid the oxidation of the molten pool. the density metal test sample of rene95 high - temperature alloy was made by lsf through optimizing the processing parameters

本文對激光立體成形的工藝特性進行了深入系統的研究，發現如果要獲得理想的成形效果，就必須對成形過程中的工藝參數進行精密控制，例如激光功率、激光光斑大小、光束掃描速度、搭接率等；同時為了保證成形件有較高的尺寸精度和表面質量，必須對成形零件的氧化問題進行控制，通過改進側向送粉噴嘴的結構設計，成形件的表面氧化問題得到適度控制。

The existence of checkerboard lattice let the interpretation of the optimal results become difficult, and let the collection of geometric model suitable for processing during post - treatment become very difficult

棋盤格的存在使優化結果的解釋變得困難，后處理時提取適合於加工的幾何模型變得非常困難。

Counted threads embroidery is also called seeking out thread embroidery, its making feature is that during the processing the pattern is obtained according to the counted longitude and latitude thread number of the embroidering cloth to operation, the structure is tidy, symmetric, and its pattern has rhythm and geometric lasting appeal

數紗繡：又稱挑紗繡，製作特點是運針時按照繡布的經緯數紗運針來獲得造型，結構工整，對稱，圖案富於節奏感及幾何化的韻味。

Secondly, based on cutting edge geometric model and machining mode of mk6335a grinder, the rake face with constant normal rake angle and flank face with constant orthogonal clearance angle models of ball - end cutters are discussed. the cutting geometry angle parameters are solved and analyzed. moreover, the tool paths models of wheel which grinding are builded and the post - processing technique for coordination transfer is studied

然後，基於刃口曲線模型、五軸數控磨床刃磨運動方式和微分幾何的直紋面概念，本文推導與建立了具有等法前角的前刀面和具有等主后角的后刀面的球頭立銑刀數學模型，並對球頭立銑刀的刀具角度如刃傾角、主前角、法后角、主偏角等參數進行了求解與分析。

So the instruction and edition of geometric figure and the instruction of the multiple viewport can be realized using vc + +, it can deal with the developing of interactive interface, the processing of image files, the accessing of the database and etc. finally, adopting the object - oriented technique, the system makes good use of 1the encapsulation, inheritance and reusability of the class

用opengl編寫核心代碼實現了幾何形體的構造、編輯和多視口顯示窗口的武漢理工人學碩土學位論文創建，用vc完成了交互界面的開發，圖像文件的處理、數據庫的訪問等。

Machining center ' s geometric accuracy is the key to guarantee the processing accuracy of machine tool. the testing of geometric accuracy is the base of testing machining center ' s straightness accuracy

加工中心幾何精度是確保機床加工精度的關鍵，其中直線運動精度的檢測是幾何精度檢測的基礎。

Apply the background information of the form to locate the geometric structure is a research hotspot of the document processing

採用表格版面的背景信息來定位表格的幾何結構是目前表格處理的研究熱點。

Geometric distortion is traditionally corrected by an image resampling operation which is applied as a post - processing step to pfa. the scene size limits of pfa presented by range curvature qpe, can be alleviated by using an efficient image domain space - vairant post - filter

通常採用圖像域插值的方法校正幾何失真，而利用空變濾波器使散焦的點重新聚焦，這些校正方法可以減輕距離彎曲對成像范圍的限制。

Investigation using remote sensing ( rs ) technology can breakthrough the limits of traditional methods, make full use of its capability of integration, visualization, rapidity and vast - dimensions analysis, and get better results the paper takes the up - to - date landsat - 7 etm + data, which is the most widely used, and quickbird data, which has the highest resolution nowadays, and according the features of the data and landslides, processes the quickbird data with 1 : 10 000 dem orthophoto correction and the landsat - 7 etm + data as follows : ( 1 ) selecting optimal spectrum band : selects 753 bands as the optimal bands ; ( 2 ) image intensifying : selects the principle components processing method on the basis of comparing several image intensifying methods ; ( 3 ) rigour geometric direction : corrects the geometric distortion of the map ; ( 4 ) image fusion : mainly takes his space transform fusion and resolution fusion method, and acquires maps with higher spectrum resolution as well as space resolution. after that, the visual effect of the image has been enhanced, and the interpretation precision

採用遙感技術，可以突破傳統調查方法的限制，發揮其宏觀、綜合、直觀、快速的特點，取得更好的效果。論文選取目前應用最廣的陸地衛星最新系列landsat - 7etm +數據和空間解析度最高的商業衛星quickbird數據作為主要的數據源，根據數據的特點及滑坡災害應用特徵，對quickbird遙感數據則基於1 ： 10000dem進行了正射校正，對etm +遙感數據進行了波段優選，選取了753作為最佳組合波段；圖像增強，通過各種增強處理方法的效果對比，選擇主成分分析法對圖像進行增強；幾何精校正，糾正圖像的幾何變形；影像融合，主要選取了效果較好的his空間變換融合和解析度融合，得到的圖像既具有較高的光譜解析度，同時也具有較高的空間解析度。經過上述數字處理，較好地改善了圖像的視覺效果，提高了圖像解譯的精度。

Utilizing the rectification technology of geometric distortion in vehicle license recognition system based on image processing and close - range photogrammetry theory is important in increasing system reliability

依據圖像處理和近景攝影測量原理，把圖像幾何畸變校正技術應用於汽車牌照識別系統中，將會明顯提高系統的識別率。

12 gao x, li m. construct piecewise hermite interpolation surface with blending methods. in proc. geometric modeling and processing : theory and applications, h. suzuki and r. martin eds.,

這是一種生成約束曲面的一般性方法，我們可以用它來把一個多邊形模型轉化成參數曲面，對3d物體進行形變，構造blending曲面及補n邊洞等。