注坐標點 的英文怎麼說
中文拼音 [zhùzuòbiāodiǎn]
注坐標點
英文
t78_tcoord-
Note that the page coordinate space has its origin at the upper - left corner of the client area ; this will always be the case
請注意，頁面坐標空間的原點在工作區的左上角，情況將總是如此。Note that because the origin of the world coordinate space is at the upper - left corner of the client area, the page coordinates are the same as the world coordinates
請注意，由於世界坐標空間的原點在工作區的左上角，因此頁面坐標與世界坐標相同。Innovation of the aero maintenance system based on augmented reality ( ar ) technology and eye tracking technology, which can give real - time instruction for maintenance, is vital for enhancing the accuracy of maintenance and reducing the cost of maintenance. in the paper, the study work include 3 sections, as following : firstly, deducing 3d registration algorithm based on markers, depicting the display and 3d display technologies of artificial matters, and realizing 3d registration function specifically ; secondly, establishing an eye - movement measurement system based on the infrared television method, making use of the thoughts of ranks superimposition to withdraw the pupil center coordinates, and giving the thaught of recombining the position relation of purkinje spot to determine the eye sight direction primarily ; finally, describing the basic theory of augmented reality maintenance guiding system in detail, and introducing the software function and hardware frame, which will provide the foundation for the further study of this system
本文的研究工作主要包括以下三個部分:首先，改進了有標志點的三維注冊演算法，並具體實現了三維注冊功能，最後試驗驗證了注冊演算法的正確性，為將來基於無標志點的發動機維修誘導系統的研究提供基礎和實踐經驗;其次，描述了基於紅外電視法的視線跟蹤系統的基本原理，對眼動信號處理技術做了初步的研究，即利用了行、列疊加的思想提取了瞳孔中心坐標和普爾欽（ purkinje ）斑點的坐標，闡述了結合瞳孔中心與普爾欽（ purkinje ）斑點的位置關系進行初步判定視線方向的方法;最後，詳細描述了所構建的增強現實維修誘導系統的基本原理、軟硬體框架，為今後維修誘導系統的深入研製提供基礎。By analyzing all sorts of data involved in the drawing of plane arrangement of the contact net, the paper then presents and realizes the sub - systems of drawing data management, which includes setting up the data structure, programming and managing of the data and provides the drawing data for the whole system used for the later drawing, finally by introducing the concerned theories of the parameterized design explains the similarities and differences and their applied scope of all kinds of parameterized technologies, and by associating with the features of the plane arrangement maps of the railway contact net analyzing size restraint of contact net
它是針對鐵路接觸網平面布置圖的特點來完成選擇區間或站場繪制、圖紙設定、圖型設定、字元高度、圖型坐標點、繪圖基點和圖型數據文件保存路徑的設置以及布置圖的標注欄和明細表尺寸設置；緊接著通過對接觸網平面布置圖的繪圖中所涉及的各種類型數據進行分析，提出並實現繪圖數據管理子系統，它包括建立繪圖系統的數據結構，對數據進行編輯管理，向整個系統提供繪圖數據，供其後的圖形繪制使用；最後通過對參數化設計的相關理論進行介紹，闡述了各種參數化技術的異同點和適用范圍，並結合鐵路接觸網平面布置圖的特點具體分析了接觸網線路的尺寸約束。Appropriate methods are very important when there is a breakpoint within a boundary in a coordinate interval
當邊界在某一坐標區間內存在躍變點時，如何適當處理問題是值得注意的。The meaning and content of transformation, basic model selection of coordinate transformation, calculation of transformation parameters, calculation method of transformation and problems existing in transformation calculation are researched and discussed in this paper in order to measure transformation calculation of different coordinate in practice and theory
摘要主要揭示空間點點位描述方法的實質，系統論述測量坐標系統及其轉換模型，詮釋測量坐標轉換的含義和內容，針對坐標轉換基本模型的選用、轉換參數的解算、轉換計算的方法、轉換計算中值得注意的問題加以研究和探討，以便實現在測量實踐和理論中各類不同坐標之間的轉換計算。分享友人