projection angle 中文意思是什麼

projection angle 解釋
放映角度
  • projection : n 1 射出，投擲，發射，噴射。2 投射；投影，投影法；（地圖）投影圖製法；【電影】放映。3 凸出；凸出...
  • angle : n 【英史】盎格魯人〈cf Angles〉。n 1 角，隅，角落；棱，嬗角。2 【數學】角，角位，角的度數。3 【機...
  1. The angle of projection affects the answer.

    拋射角對結果有影響。
  2. The function of illumination optics for projection displays is to direct light source onto a small area of microdisplay within a limited incident solid angle, and therefore the collection efficiency is especially important compared to other illumination applications, which is also the main technical issue for led application to projection displays

    摘要投影顯示之照明系統須將光能量集中照明於一小面積與小角度之內，相較于其他照明之應用，其集光效率之考量更為嚴苛，亦為發光二極體于投影顯示照明應用中最主要之技術課題。
  3. In china, the first - angle projection is adopted preferencially following related national standards

    國家標準規定，我國優先採用第一角畫法繪制機件的圖樣。
  4. From the practical view, this paper summarizes the theory of orthogonal projection based on the first - angle projection, the ways of manual reading drawings and discusses the problems relevant. the mechanism similar with csg is used to reconstruct 3d object with priority to csg and aid by b - rep

    本文從實用的角度出發，總結了正投影工程圖中的投影理論基礎、人工讀圖方法以及注意的相關問題，採用了以csg方法為主， b ? rep方法為輔，類似於csg建模的機制來實現二維視圖的三維重建過程。
  5. In the terms of interpolation, the image reconstructed from nearest interpolation or linear interpolation has good edge but serious noise ; reconstruction from 4 * 4cubic interpolation or three b - spline or three - order lagrange interpolations has better local character. 2 x 2cubic interpolations which has both better edge and local character is the ideal interpolation, the following is the basic principle during reconstruction : ( 1 ) the more width of interpolation, the more number of summation and the more order of interpolation polynomial, the higher of density resolution ; ( 2 ) the more of interpolation polynomial and width of interpolation, the more of reconstruction time simultaneously, aimed at eliminating the effects of noise contained in projection data, in this paper, author analysis cause and effects of common artifacts. importantly, discusses convolution back - projection reconstruction algorithm with a shift axis of rotation has been derived for correcting images that acquired with a divergence axis of rotation using the fan beam geometry with an angle - equaled detector

    在ct圖像重建時，選擇有限帶寬窗有較好的空間解析度，三角形窗有較好的密度解析度，選擇餘弦窗則使得空間解析度與密度解析度的折衷；從窗函數的頻譜角度來講，可以用於圖像重建的一個良好的卷積窗函數應該具備以下條件： （ ? ）小的3db帶寬b ，即最小的主瓣寬度； （ ? ）最小的旁瓣最大峰值a ； （ ? ）最大的旁瓣峰值衰減速度d ；就內插函數而言，臨近點內插與線性內插重建圖像噪聲大，但有較好的邊緣與細節； 4 4三次內插、三次b -樣條與四次拉格朗日多項式內插圖像平滑，局部特性較好。
  6. Since we defined the frustum, we know the angle at which the sides of the frustum meet - this is the field of view we used to create the projection matrix in the first place

    確定好錐截體，我們就知道錐截體頂角的大小?這是我們在第一個地方用來創建投影矩陣的視場。
  7. First angle projection

    第一角投影法
  8. Engineering drawing has always been labeled as a practical subject. a combination of geometrical, building. mechanical and electrical drawing, it relates between theory and the picture of reality. engineering drawing will provide an accurate and complete ptcture for every object tn terms of shapes and sizes. usually, it is taught using the face - to - face teaching mode even in an odl environment. due to its nature, some students may find difficulty in imagining and interpreting the drawings. however, the availability of sophisticated technology provides the opportunity for the learning of engineering drawing to be enhanced via online. a web - based system for teaching and learning engineering drawing was developed based on a constructivism model. the web - based system is tailored for several topics of engineering drawing such as orthographic projection, sectional view, isometric and oblique drawing at the secondary level. the learning strategy consists of multiple phases beginning with introduction, concept learning, engineering drawing method, application and exercises. during introduction, students will be exposed to an overview of the topic followed by learning of specific concepts. the system provides a learning environment that allows engineering students to view objects from different angles, such as third angle projection and first angle projection as well as views of plans, side and front elevations. after learning about the concepts, students wilt be guided through the various steps in drawing methods for each topic via animations and simulations. learners are able to view any section repeatedly. examples of real application of engineering drawings were also given using graphic, animations and video. to evaluate students understanding, exercises were given at the end of each session

    工程制圖一直被認為是一門實踐性學科，其整合了幾何學、建築、力學、電子制圖等，從而將理論與現實圖像聯系起來，工程制圖能為每個不同形狀、尺寸的物體提供精確的、完整的圖像.通常，即使在開放與遠程教育環境中，工程制圖的教學也是通過面對面的教學模式來進行的.由於其特殊性，一些學習者可能難以想象並解釋這些圖像.然而，尖端的技術使得可以通過在線的方式加強工程制圖的學習.研究者基於建構主義模式開發了一個面向工程制圖教學和學習的網路系統.該系統適用於幾種工程制圖，例如展開圖、刻面圖、等角圖和斜角圖.學習過程包括導論、概念學習、工程制圖方法，以及應用與練習等階段.在導論階段，系統為學習者提供了專題簡介，然後是概念學習階段.系統所提供的學習環境允許工程專業的學生從三維透視、一維透視、平面圖、側立面、正立面等不同角度來觀察物體.經過概念學習階段后，系統將引導學生通過動畫和模擬學習每個專題中制圖方法的不同步驟，學習者也能重復觀察任何剖面.另外，還通過圖像、動畫和視頻等方式展示真實的工程制圖應用案例.最後，為了評價學生的理解能力，在每部分內容後面都附有相關的練習
  9. On the basis of discussing the possible aristhemetic for kineticscs indexes in motive video analysis, it was suggested that arithmetics of different quotient of center should be used in calculating the speed and accelerated speed, and the joint angle and segment angle, space angle and projection anagle should be ( differentiated ) so that the indexes could be more comparable

    對運動影像拍攝與解析系統中運動學指標的可能演算法進行了討論，建議在計算（角）速度、 （角）加速度等運動學指標時應當盡可能地運用中心差商的演算法，在使用運動學指標時應當正確區分關節角和環節角、空間角與投影角兩組概念和演算法的不同，以使各種不同的解析系統計算出的運動學指標更具有可比性。
  10. Third angle projection

    第三角投影法
  11. The laser projection device makes cutting angle more accurant and more convenient

    二、該設備具有激光投影裝置、可使角鋼的切角角度更準確，使用更方便。
  12. In some other countries, the third - angle projection may also be used

    有些國家的圖樣採用第三角畫法。
  13. This subsection provides a brief introduction to the third - angle projection

    下面簡要介紹第三角畫法。
  14. The new study to optimum angle projection in the throws

    對投擲項目最佳出手角度的新探討
  15. This thesis proposes one kind of variable universe fuzzily variable the structure terminal guidance law to realize vertical precise attack. this thesis also proposes the circle projection matching algorithm, which solves matching problem of the pictures with the free angle revolved. at the same time, the thesis has analyzed the influence to the circle projection matching algorithm of the noise, the illumination and the change of gradation

    本文還提出了的圓投影匹配演算法解決了任意角度旋轉的景象匹配問題，同時對噪聲、光照以及灰度變化對圓投影匹配演算法的影響進行了分析，重構了圓投影匹配演算法，使該方法對噪聲、光照以及灰度變化等具有很好的適應性。
  16. The merits of our algorithm include following : ( l ) the camera need n ' t be calibrated, and imposes no strict limit on camera rotation angle between conjoint images. ( 2 ) the registration image accords with projection model to ensure that the registration image is real. ( 3 ) the results of experiments using image fusion based on wavelet transform show that the combined image is smooth and almost seamless

    本文提出的圖像拼接演算法有以下優點： （ 1 ）不需要標定相機，不嚴格限制拍攝相鄰圖像時相機轉動的角度； （ 2 ）依據投影模型進行圖像對齊，保證其真實性； （ 3 ）基於小波變換的圖像融合實驗表明融合圖像光滑無縫。
  17. Angle of x - ray projection, x

    射線輻射圓錐角
分享友人
分享到 Line

分享到臉書