point geometry 中文意思是什麼

point geometry 解釋
點素幾何學
  • point : n 1 尖頭，尖端；尖頭器具；〈美國〉筆尖；接種針，雕刻針，編織針；小岬，小地角；【拳擊】下巴。2 【...
  • geometry : n. 1. 幾何學。2. 幾何形狀。3. 幾何學著作。
  1. First, the geometric properties of the sum of the segments in the complex plane are proved, based on which, the robust problem is interpreted as a special point location problem of computing geometry

    -穩定性問題。證明了在復平面上多個線段和的幾何性質。在此基礎上，將魯棒問題轉化為計算幾何中的點定位問題。
  2. Therefore, the method of screen spreading is presented herein with the following basic feature : taking the surface of the perpendicular line at the end of the distortion and bottom as the datum plane, move the controlling point of every distortion part to the datum plane with the principle of changeless of geometry size, and then the spreading is formed

    為此提出一種屏幕展開方法，此方法的基本要點是，以扭曲面末端垂直線和底部起坡線所在的平面為基準面，將扭曲面各分塊的控制點按幾何尺寸不變的原則搬到基準面，即可形成展開圖。
  3. Solving geometry constraints problems of point - plane configuration in euclidean space

    實空間中點面構型幾何約束問題求解新方法
  4. The design point of the designed forebody / inlet is flight mach number m = 6 and flight attitude h = 25km. the three - ramp, mixed external and internal compression hypersonic / inlet is chosen as representative geometry to be designed. nine types of hypersonic / inlet model with difference forebody length and total turning angle are obtained that the incidence angle of the first ramp and height of isolator are given

    根據飛行任務要求，以飛行馬赫數6 ，飛行高度25km為設計點，給定前體預壓縮角、隔離段高度，對具有不同前體長度和不同總壓縮轉角的帶隔離段的前體進氣道進行了設計。
  5. Hypodermic needles - point geometry, requirements and testing

    皮下注射針頭.尖端幾何形狀要求和試驗
  6. Through analyses of epipolarity geometry of the linear ccd push - broom images and frame perspective images, based on the projection track method, epipolarity of linear ccd push - broom image is established and the properties of epipolarity curves is discussed, and a new epipolarity model based on the simplified push - broom sensor model is proposed. for stereo images of frame perspective and linear perspective, how to set up of epipolarity is studied in terms of fundamental matrix in computer vision, and an algorithm of epipolarity solution that only depends on coordinates relation of identical point is presented. 4

    通過線陣ccd推掃式影像和框幅式中心投影影像核線理論的對比研究，利用投影軌跡法建立了線陣ccd推掃式影像的核線模型，分析和總結了它的基本特性；針對基於共線方程的簡化傳感器模型，提出了一種新的核線模型；對框幅式中心投影立體影像和線陣ccd推掃式立體影像，利用計算機視覺中的基本矩陣研究核線關系的建立，提出了一種單純依靠同名點坐標關系的核線模型解法； 4
  7. This test is based on homogeneous soil in foundation, and divided into two phases. the first is to stimulate the construction flow to excavate the pit ; the second phase is destructive test. because the pit is stable in the first phase and the research is point to the geometry shape of the failure surface, moreover, limited to the test condition, the effective surface force is applied to the pit

    此次模擬試驗主要是針對簡單均質的基坑土層進行研究，試驗分為兩個階段，第一階段主要是以相似工況模擬基坑開挖，第二階段主要是破壞性試驗，即由於在第一階段基坑在開挖范圍內能夠自穩，為使基坑達到破壞狀態以研究滑面幾何形態，限於試驗條件，採用「等代面力」的方式施加超載。
  8. Hypodermic blood lancets - point geometry, requirements and test methods

    皮下刺血針.點素幾何學的要求和試驗方法
  9. ? to make the solid have realistic surface, we adopt advanced solid modeling method - constructive solid geometry. ? to free end - user from overwork, we presents and realizes many auto - processing algorithms, such as searching of inner - point, definition of polygon ' s counter - clockwise direction, as well as generation of numeric control codes. ? to checkout the collision and interference between cutter and part, we accomplish numeric control machining simulation, which can help end - user validate the correctness and rationality of numeric control codes, so it is needless that do repetitive test - cut before normal manufacture

    正如將在後續章節中所講述的那樣，我們在系統中採用了許多先進的技術，其中主要包括以下幾點：採用分層設計思想，使三維物體的設計得到了簡化；採用先進的實體造型方法，使所建立的實體真實感強；實現了內點自動查找、多邊形方向自動定義等演算法，提高了系統的自動化水平；實現了刀具軌跡的自動生成、優化；實現了數控代碼的自動編寫，克服了手動編寫的缺點；實現了數控加工模擬，能檢驗數控代碼的正確性和合理性，並能自動檢測刀具與工件之間的干涉。
  10. According to the differential geometry theory, the principle curvatures and principle relative curvature of the spur gear and the fg in line contact and point contact, the tooth surface relative speed and the tooth contact interface are analyzed, whose distributing on the tooth surface are visualized by computer

    在齒面的幾何特性研究中，利用微分幾何的原理分析了圓柱齒輪和面齒輪的齒面曲率、線接觸和點接觸面齒輪傳動的主誘導法曲率以及嚙合過程中齒面的相對速度和接觸區域計算問題，並獲得有益的結論。
  11. Geometry parameter selection was optimized. firstly we discuss gauss ray tracing and the two - point ray racing

    本文的研究首先討論了高斯射線束正演和兩點射線路徑追蹤正演。
  12. Prominent in the modern elementary geometry of the triangle is the nine-point circle.

    九點圓在三角形的現代初等幾何中是重要的。
  13. From the point cloud surfaces, multi - layered geometry images are created which can represent the original models accurately very much. the compounded geometry image representation of point cloud surfaces, is also based on the former transform method, where the difference lies : take one of coordinates as the gray value and another two as location respectively, three different geometry images can be created. three gray images are combined into a compounded color image

    點雲曲面的復合圖象表示方法，首先把點雲曲面中點的笛卡爾坐轉換為球面極坐標，分別把球面極坐標[ r ， ， ]中的一個坐標轉換為象素的灰度值，另外兩個量轉換為該象素的坐標，這樣就可以得到三幅不同的圖象，把這三幅灰度圖象分別對應到彩色圖象的r ， g ， b中去，就組合成為一幅復合彩色圖象。
  14. Analysing circle characters and the feasibility of using it to quality assessment of point group generalization, a new method of assessing point cluster geometry quality is developed based on the technique of polarization transformation

    摘要分析圓特性及其運用到點群綜合質量評估中來的可行性，提出一種基於極化變換的點群幾何質量評估方法。
  15. In 3d space, points on the infinite plane compose the absolute conic, and it contains the interior parameter information of camera. we use photography geometry character of circular point on the absolute conic to calculate camera interior parameter, exterior parameter can be obtained. we can obtain more accurate

    在三維攝影空間中，無窮遠平面上的點構成了絕對二次曲線，由於二次曲線的像包含了攝像機的內部參數信息，我們利用了圓環點的像在二次曲線上的攝影幾何特性，從而確定攝像機的內部參數，進而求取攝像機運動的外部參數。
  16. The reason relates to the fact that the exact shape of an object ? the distance from one point on it to another ? is a level of structure, which is called the geometry of the object

    原因是：物體的精確形狀（從其中一點到另一點的距離）是另外一層的數學結構，我們稱這結構為物體的幾何。
  17. This paper proposes a method for optimizing the parameters of geometry system. based on the ray tracing for the built - model, discussing and analyzing the parameters of geologic aim such as the bin size, calculating the fold of aim layer ' s common reflection point, comparing the fold of crp with the fold of common mid - point, the geometry system ' s parameters are adjusted to improve the low fold bins, the quality of data collection and effect of exploration

    本文提出了首先建立目標地質體的數字模型，根據射線追蹤正演分析，目標地質體的參數分析（面元分析等） ，統計求取復雜地質模型目標層真正的共反射點覆蓋次數，比較cmp面元與實際crp面元的覆蓋次數差異， cmp道集對應的共反射點面元分析，針對覆蓋次數較低的目標層面元調整和優化觀測參數，提高目標層的採集質量和勘探效果。
  18. Seventeen plain groups, which were associated with 2d braided geometry of composites, were deduced from the combination of ten plain point groups and five plain dot lattices

    摘要由10個平面點群與5個平面點陣組合，推導出與二維編織復合材料幾何結構有密切關系的17個平面群。
  19. By means of confirming the geometry relation between the spacecraft and dangerous object, estimated the collisional velocity, the location of collisional point, collisional degree, established the maneuver rule

    通過確定航天器與危險目標的幾何關系，估算碰撞速度、碰撞點的位置、碰撞程度，制定了規避準則。
  20. Bottling industry. glass bottles. glass finishes. 26 to 43 mm crown cord. construction of the external profile and of the " p " hooking point. geometry and dimensions

    制瓶工業.玻璃瓶.玻璃瓶口. 26至43mm的冠狀軟木塞.外形和" p "鉤點的結構.幾何形狀和尺寸
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