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spatial point中文是什么意思

  • 空間點

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  • 例句與用法
  • Gps is the technology which use the satellite to measure the 3d coordination of spatial points
    Gps (全球定位系統(tǒng))衛(wèi)星定位技術(shù)利用人造地球衛(wèi)星,確定地面點的空間位置。
  • By taking these spatial points as initial guess , all exact real solutions withi n a certain range of variables are found using unrestraint optimization
    以這些空間點為初始值,利用無約束優(yōu)化,得到在一定值范圍內(nèi)的原方程組的全部精確實數(shù)解。
  • This paper develops 3d graphics with opengl and draws three - dimensional entities visualization by spatial point set . thu three - dimensional effect and visualization of 3d entities figure are strengthened by light
    摘要介紹了采用空間點集繪制實體的方法,生成真實感較強的三維實體圖形的過程和三維實體的交互式旋轉(zhuǎn)、縮放、多方位剖切等可視化顯示。
  • Secondly , this thesis purposes a new deformation correction method basing on neural net . it can get the mapping between spatial points and points in the image using this method after getting input , output and condition without considering other factors
    最后將圖像點的像素坐標輸入給訓練成功的bp網(wǎng)絡(luò),即可得到預期的空間位置,從而建立圖像像素點與空間位置的映射關(guān)系。
  • Now the 2d precision of spatial points is very great , but because by usual correlation fitting method we can transfer gps ellipsoidal height into normal height of the local geoid is considered as mathematical curve plane , it is not conform the fact of mountainous districts so the precision of elevation is so small that it is not satisfied with the requirement of leveling
    目前,地面點的平面位置確定精度已相當高,但高程精度始終未能達到水準測量的要求,因為將gps大地高轉(zhuǎn)化為水準正常高的擬合推估方法是將局部大地水準面視為數(shù)學曲面,常常與實際情況差異較大(特別在西部山區(qū)差異更大) 。
  • In two - view case , a method is presented for calculation 2d projective transformation and construction the virtual elements by combination of spatial points and lines . so more 3d invariants of object ' s spatial structures can be extracted from real elements and virtual eleme nts . ( 3 ) the geometric characteristics of 2d symmetric objects " in perspective images are lucubrated
    ( 2 )擴展了2d射影變換矩陣的求解方法,將單純利用點集對應(yīng)的計算模式擴展到利用直線集、點線組合等多種類型來建立兩個射影平面的對應(yīng)關(guān)系;總結(jié)了平面上基于點、直線元素可求解的多種3d不變量;提出了雙視圖下由點、直線元素的多種對應(yīng)關(guān)系求解2d射影變換來構(gòu)造“虛元素”的方法,結(jié)合“實元素”和“虛元素”可以提取更多的空間3d不變量。
  • Starting from the generativ e procedure of conjugate curves the generator 2 and generated curve 1 ar e re garded as two bunches of spatial point sets and the 1 is being considered a s a macroscopic expression in s1 coordinate space of points , satisfying the co n dition of conjugation during the course of relative movement , on 2
    從共軛曲線的創(chuàng)成過程出發(fā),將母曲線2和創(chuàng)成曲線1看作兩簇空間點集,認為1是由相對運動過程中2上滿足共軛條件的點在s1坐標空間中的宏觀表現(xiàn)。
  • For the special case one of original equations contains only two unknowns , these two variables can be sampled firstly , and then introduced into the other two 3 - variable equations . the real solutions obtained are spread along the cylindrical contour curve , so that a two dimensional graph which is easy to observe is generated . the corresponding spatial points of intersection are found through the points of intersection of the two curves in this graph
    對于方程組中有一個二元方程的特殊情況,還可首先給該二元賦值,然后代入另外兩個三元方程,將求得的實數(shù)解沿該二元方程的柱面輪廓線展開,得到便于觀察的二維圖形,通過該兩條交線的交點找到其相應(yīng)的空間交點。
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