transformation of axis 中文意思是什麼

transformation of axis 解釋
軸的變換
  • transformation : n 轉變,變化;變形;【生物學】(尤指昆蟲的)轉化,變態,改造,改革;變質;【數學】變換;【電學】...
  • of : OF =Old French 古法語。
  • axis : n ( pl axes )1 軸,軸線。2 【植物;植物學】莖軸。3 【解剖學】第二頸椎,第二脊骨。4 【政治學】軸...
  1. Based on the same principle of floating stability calculation of rectangle caisson, the moment of inertia of gravity axis of the fan shape is transformed through coordinate transformation formula, and the general formula and calculation method of floating stability for c limier caisson with partition ails are obtained

    摘要引用矩形沉箱浮遊穩定計算的相同原理,把扇形重心軸的慣性矩通過轉軸公式的轉換,再經數學證明,得到帶箱格圓形沉箱浮遊穩定計算的通用公式和計算方法。
  2. Least squares solution of equation is used to calculate and adjustment transformation matrix at same time, transformation matrix is used to calculate the 3 - axis angle of star sensor. so is very fast and precise

    利用方程組的最小二乘解求取轉換矩陣,通過轉換矩陣計算星敏感器的三軸姿態角,使姿態計算和平差同時進行,具有較高的姿態計算精度和計算速度。
  3. This paper summaries the researches on the application of the technology of image analysis, distance transformation and medial axis transformation, to the field of computer graphics

    本文是將圖像分析技術?距離變換與中軸變換?應用於計算機圖形學領域研究工作的一個總結。
  4. After a careful comparison we found : ( 1 ) rotating the coordinate system around the z - axis for each event is necessary for the relaxation of the correlation between thrust ( or sphericity ) major - minor frame and the direction of the first hard gluon emission. ( 2 ) the horizontal factorial moments ( hfm ) are equivalent to the vertical ones ( vfm ) only after cumulant - variable transformation. therefore, in the study of nonlinear phenomena in high energy collisions the hfm can be used only in combination with the cumulant variables

    工jlnfy4ww ; 6標系與發射第一個硬膠子之間的關聯效應,從而觀察到全部強度的動力學起伏;證明了:只有在引入累積變量以後,橫向矩才等於縱向矩,從而也才等效于幾率矩,困而只有在這時,橫向矩才能被使用;論證了:對eb對撞末態粒子系統動力學起伏的研究只能在全相空間進行,而不能用限定的相空間,因而只能採用丟掉最初的一個或幾個點的方法消除動量守恆對相空間標度特性的影響。
  5. Compared with currently fire control system, apsse has such characteristic as : highly precision, complex construction, high technique, etc. so this thesis expatiated in detail on the measuring theory of apsse, emphases on the discussion of system error and random error of apsse, deduced the three axis error of apsse usign the coordination transformation methods, provided the applying base for the measuring error equation of apsse. in this paper, we emphases on expatiating the basic theory of usign space coordination transformation in the measuring error equation of apsse

    因此,論文採用了空間坐標變換方法分析機載光電跟蹤測量設備在對目標進行測量、定位時空間坐標轉換關系,推導出從中心地平坐標繫到目標坐標系的變換矩陣,在此基礎上首先建立機載光電跟蹤測量設備的無測量誤差的位置傳遞方程和機載光電跟蹤測量設備的含有測量誤差的位置傳遞方程,為利用蒙特卡洛法分析機載光電跟蹤測量設備的測量誤差奠定了理論基礎。
  6. For bilateral symmetry objects, the techniques on symmetry - point detection and symmetry - axis extraction are presented based on harmonic conjugation relationship. for rotated symmetry objects, the techniques on rotated units description and rotated symmetry center extraction are presented based on center invariants of objects. further more, by using 3d invariants and 2d projective transformation, an approach to recover shape from part symmetry objects is realized on some conditions

    ( 3 )深入分析了2d對稱性目標透視成像的幾何特點,將共點四線交比用於目標輪廓上的關鍵點的特性描述中;利用調和共軛關系,提出了一種針對左右對稱型目標的對稱點檢測和對稱軸提取的演算法;利用交比關系構造了目標的形心不變量,提出了一種針對旋轉對稱型目標的旋轉對稱單元判定、旋轉中心提取的演算法;進一步利用3d不變量和2d射影變換,實現了一定條件下的對稱性目標的形狀恢復技術。
  7. On such a basisthe commonly used monomial error accumulating totals correction method is introduced. the author proposes a coordinate transformation method to deal with its drawbacks of maths model imperfection, not applicable to lange - angle deviation and adding to the difficulties of equipment. while orientating the order of matrices according to the principle of the accordance between coordinate ' s rotating order and the physical process of device measuring, a strict maths model of the influence of axis system deviation on surveying angles is concluded and the corresponding correction method is induced. its far - reaching meanings are as follow : ( 1 ) the maths model of the influence of axis system deviation on surveying angles established by the new method is concluded after considerations for the three deviations simultaneously. changes under all circumstances are included, so it is theoretically a perfection of maths method

    在此基礎上介紹了國內目前採用的軸系偏差對測量角影響的經典改正方法?單項差累計改正法,並針對該方法存在的數學模型不完善、對大角度偏差不適用、增加設備調整難度等缺陷,提出採用坐標變換方法,並根據坐標的旋轉次序與設備測量的物理過程相符合的原理定位各矩陣的先後順序,推導出了軸系偏差對測量角影響的嚴格數學模型,歸納建立了相應測量角的改正方法。
  8. In the proposed technique the bemf waveform of bldcm need to be measured in advance at first, through computer simulation and frame transformation, the optimum q - axis current command is achieved. in order to minimize the torque ripple, the d and 0 - axis current command should be zero. furthermore, through reference frame transformation from dqo - axis to abc - axis, we can get the optimum current command in static abc reference frame

    在這種控制方法中首先測量出電機的實際反電動勢波形,然後通過計算機擬合和坐標變換,求得產生恆定電磁轉矩所需的q軸電流,令i _ d ~ * = i _ 0 ~ * = 0 ,通過坐標變換,得到三相靜止坐標系a - b - c下的參考電流i _ a ~ * , i _ b ~ * , i _ c ~ * ,利用電流滯環控制來產生pwm信號,由於這種控制方法中電流不會突變,從而可以較好的抑制轉矩脈動。
  9. Abstract : based on the c. carathe " odory theorem, several conclusions related to near - axis image formation in an axial symmetric optical system have been verified by means of the projection transformation

    文摘:以卡拉西奧多里定理為基礎,用投影變換驗證了在均勻的各向同性介質中具有軸對稱性的光學系統近軸成象的結論。
  10. According to the virtual endoscopy automatic navigation, using the two - distance field - based 3d center path finding algorithm to find the path, adopting the cylindrical approximation of tubular organs to replace the center path by several approximate cylinders, while using distance transformation that is substituted by euclidean distance to calculate the approximate cylinder ' s axis and radius, the algorithm can save much time

    摘要針對虛擬內窺鏡自動漫遊技術,利用基於雙距離場的三維中心路徑提取演算法進行路徑提取,採用管狀器官的圓柱狀近似,將中心路徑用多個近似的圓柱體代替,用距離變換代替歐式距離公式計算近似圓柱體的軸和半徑,節省了大量的計算時間。
  11. Btw the transformation matrix contains the local axis and local origin ( if it is of any use 2 you )

    順便說一句,變換矩陣包含本地軸及本地原點信息。
  12. On views separation and coordinate standardization, a coordinate axis projection - based approach and an image scanning - based approach are proposed for views separation, the former reduces the compare times of 2d primitive in drawings and raises the efficiency simultaneously, the latter can separate free nember views of engineering drawing accurately and it has no correlation with complexity of primitive, then, two sets of 2. 5d coordinate systems are introduced as intermediates to relate the 2d original drawing system to the 3d space projection coordinates anfd a formal technique is developed for constructing transformation matrices between coordinates

    3 .在工程圖視圖分離和坐標規格化方面,提出了改進的坐標軸投影分離演算法和基於圖像掃描的視圖分離演算法。前者減少了工程圖中二維實體的比較次數,提高了運行效率;後者可以準確分離具有任意視圖數目的工程圖,且演算法的穩定性與邊界復雜度無關。通過引入二維半中間坐標系推導出了從繪圖坐標繫到空間投影坐標系轉換的轉換運算元並給出了基於轉換運算元的坐標規格化演算法。
  13. The coordinate transformation technology is adopted to compensate real time attitude angles of the swinging ship on the azimuth and pitching axis of tracking equipment in order to stabilize los and improve precision

    故採用坐標變換技術,在跟蹤設備的方位和俯仰軸上對船搖姿態角進行實時補償,達到視軸穩定、提高精度的目的。
  14. In the first stage of exploitation, the spatial development stratagem is that huaian should become a new growth pole in north jiangsu. after huaian has grown to some scale, it is considered that the spatial development should be changed from pole - shape exploitation to pole - axis exploitation, namely building up dual - nuclei spatial structure between huaian and lianyungang. considering that the economic foundation in north jiangsu is still weak, xinyi - huaian - lianyungang growth triangle should be built up to promote the development in north jiangsu after the form of dual - nuclei spatial structure. at the same time, the transformation should be realized from one line - shape exploitation model made up with one - pole - axis to area - shape exploitation model made up with many pole - axis

    最後,立足推動蘇北地區的發展的層面,提出淮安不同階段的空間發展戰略:開發初期,應以構建淮安為蘇北地區的新增長極的點狀開發戰略為主;等到淮安發展到一定階段,應考慮由點狀開發向點軸開發戰略轉變,即構建淮安? ?連雲港雙核型的空間結構;考慮到蘇北地區經濟基礎薄弱,單靠點或一條點軸的帶動可能會出現力不從心的局面,因而淮安? ?連雲港雙核型空間結構形成之後,在蘇北地區構建新淮連成長三角來帶動蘇北地區的發展,同時實現該區域的空間結構由一條點軸構成的線型開發模式向多條點軸構成的面狀開發模式的轉變。
  15. Then follows the detailed explanation of the concepts, the widely used algorithms of mat. finally, a new mat algorithm “ boundary transform algorithm ” is put forward and explained in detail. there are two innovations on mat in this paper : one is the improvement of distance transform algorithm ( in chapter 5 ) ; the other is my new algorithm “ boundary transform algorithm ” ( in chapter 8 ), based on a new idea “ medial axis can be obtained by a transformation on the set of boundary ”

    本文的創新有2點:其一是以中軸的四大特徵為依據,對「距離變換演算法」局部進行了改進(第五章) ;其二是提出了新的中軸變換思想「中軸僅需要一個合適的變換作用到邊界點集即可得到」 ,並由此提出一種新的快速的中軸變換演算法「邊界變換法」 (第八章) 。
分享友人