法向分量 的英文怎麼說
中文拼音 [fǎxiàngfēnliáng]
法向分量
英文
normal component-
As it can be expressed easily by argument equations, we use the conicoid as the criteria of points " classification. based on the point ' s normal and the adjacent field, corresponding to the conicoid equation such as plane, ball and cylinder, we search the points that fit the equation along the adjacent field. using this method, we realized the automatic classification of unorganized points
本文採用了可以比較方便地用參數方程表示的二次曲面作為數據點的分類標準，根據點的法向量以及其鄰域結點的各種屬性，對應于平面、球面、柱面等二次曲面，依據曲面方程的特點，從起始點開始沿鄰域深度優先遞歸尋找符合方程的數據點，實現了散亂數據點的自動分類。Pcc takes the normal vector of a hyperplane as the projecting direction, onto which the algebraic sum of all samples " projections is maximized, such that samples in one class can be separated well from the other by this hyperplane
主分量分類器是在兩類樣本投影代數和最大的前提下，獲得最佳投影方向（分類面法方向） ，實現樣本分類。它的不足之處在於： 1The first one : fitting together ultimate values of every dimensions in one dimension - chain one by one, educing many equations by itself, calculating results, and comparing these results of close dimension to find maximal and minimal values. the second one : projecting all dimensions on two preestablished axis, then providing the solutions to analyze whether every projected dimensions is increscent or decreasing, and synthesize the effect of every projected dimensions to close dimension, educing many equations by itself, at last calculating the result of close dimension. the third one : according to monte carlo analysis, getting every dimensions " values from every dimensions " tolerances at random time after time, simulating the actual circumstances of mass production using these dimensions, and calculating reasonable results of close dimension economically
鑒于這類系統在各大中小型企業的廣泛應用與相對滯后的研究水平，本文提出了三種新的能切實地解決目前尺寸鏈計算機輔助分析解算中存在的各種難題的設計方案，第一種方案將尺寸鏈中各組成環能取的極值組合起來，自動列方程組，求解每個組合情況下的封閉環尺寸，最後比較這些結果，得出封閉環的最大最小值；第二種方案將尺寸鏈各組成環向預先設定好的兩個方向投影，之後再分析各尺寸環投影分量的增減性，並且提供了組成環兩個方向上的投影分量增減性不一的復雜情況下的解決辦法，綜合組成環各投影分量的增減性，然後自動列出方程組，最後根據各組成環的投影分量以及所列的方程組來確定尺寸鏈封閉環的尺寸；第三種方案以蒙特卡洛法為原理，在尺寸鏈各組成環的取值范圍內使用計算機產生大量隨機數，模擬實際大批量生產中的零件尺寸分佈情況，以更經濟更合理的方式分析、計算封閉環尺寸。Meanwhile, using this apparatus measured soil containing water data from plane and section, and using software arc view insert value analyzed by distance inverse ratio measure, the result is very good
同時，還用該儀器從平面與截面這兩個方向測量了土壤含水率，並用arcview軟體進浙江大學碩士論文中文摘要行了距離反比法插值分析，取得了較好的結果。The measured tangential force, tangential inertial force and normal vibration acceleration are decomposed using a discrete wavelet transform. the relation among these three dynamics state variables is investigated
利用小波變換技術對測量的切向力、切向慣性力和法向振動加速度進行分解，對這些動力學變量之間的相互關系進行了深層次的研究。We use a size changeable adjacent field to describe the topological structure of 3d unorganized points in our algorithm. it can offer essential dynamic information for tessellation and points " normal
演算法採用可以控制大小的鄰域作為空間散亂數據點的拓撲關系的幾何描述，為網格劃分和點的法向量的幾何描述提供了必要的動態幾何信息。Through the experiment, we test its feasibility. 3 、 to solve the insufficiency of the svm method, the thesis proposes another algorithm based on similarity computing for verb subcategorization acquisition, and use two different sentences similarity getting algorithms to the acquisition : vector space model and the algorithm for sentence structure similarity getting that based on word class cluster
3 、針對支持向量機方法在自動獲取性能方面的不足，探索提出了基於相似度計算的動詞次范疇獲取演算法，並分別使用了兩種不同的句子相似度獲取演算法:向量空間模型和基於詞類串句子結構相似度獲取演算法，用於動詞次范疇類獲取。A normal transform is introduced, and there are enough much grids in the region between the critical layer and the wall, where the variation of the disturbance is the quickest. the finite - difference of governing equations with fourth - order accuracy in the normal direction is utilized in full regions including points close the wall, and is very important for accurately discreting equations. the combination of global and local methods is implemented, and a new iterative formula is derived
對于曲線坐標系下的拋物化穩定性方程，文中發展了求解的高效數值方法:引進法向變換，使得在臨界層與壁面之間的擾動量變化最快的區域有更多的法向網格點;導出包含邊界鄰域在內的完全四階精度的法向有限差分格式，這對方程精確離散至關重要;採用全局法和局部法相結合的方法及其新的迭代公式，大大加速收斂並得到更精確的特徵值。Geometric modelling : algorithms and new trends, g. farin ed., siam, philadelphia, 1987, pp. 235 - 246. 20 loop c. smooth spline surfaces over irregular meshes
3構造擬插值曲面，它覆蓋四邊或三角域上的曲線網格並部分插值于其上法向量。Because the field caused by the eddy - current transducer in the dissertation is not only axially symmetrical, but also plane symmetrical, there is no normal component of the electrical field strength and we cannot apply the condition en = 0 to solve such a problem
由於本文中的渦流傳感器模型，其電磁場不僅是軸對稱場，而且還是平面對稱場，不含有電場強度的法向分量，所以無法利用邊界條件e _ n = 0來求解。When a ferromagnetism items is under the application of stress, the phenomenon that the tangential component of magnetic leakage field has maximum value and that the normal component of magnetic leakage field changes polarity and acquires zero value at the stress concentration zone will take place
鐵磁性工件在受到應力作用時，在應力集中處會有漏磁場的切向分量出現最大值、同時法向分量改變符號且過零值點的現象。The main achievements are as follows : the theory models of defect mfl field are set up ; based on the magnetic dipole model and finite element model, the distribution of defect mfl field is simulated in the dissertation ; the component of flux density ( magnetic filed ) parallel to the surface of pipe is detected by a circumferential array of hall probes ; the factors including defect geometry parameters, defect surface angle and shape, pipe material, field intensity, vehicle velocity, background magnetization, operating pressure and remanent magnetization and so on influence the mfl signal characteristics
採用霍爾元件作為缺陷漏磁檢測傳感器，獲得管道軸截面漏磁場切向分量的漏磁信號；研究了缺陷外形尺寸、缺陷傾角和形狀、管道材質和磁化強度、檢測儀移動速度、管道背底磁場、管內壓力和剩磁對漏磁信號的影響。提出了各通道增益放大、各路漏磁信號偏離調整、波形微分、數字濾波和平滑等漏磁信號預處理方法；分析了等空間采樣的漏磁信號轉換為等時間采樣信號的必要性，研究了漏磁信號的小波去噪方法。According to the effective field expression which has been derived in former, the phenomenon that the tangential component of magnetic leakage field has maximum value and the normal component of magnetic leakage field acquires zero value at the stress concentration zone of positive magnetostriction ferromagnetism materials under the application of tensile stress and negative magnetostriction ferromagnetism materials under the application of compressive stress is explained theoretically through analyzing and discussing
根據所得到的地磁場中受力鐵磁性材料有效場表達式，通過分析討論，解釋了受拉力作用的正磁致伸縮鐵磁材料和受壓力作用的負磁致伸縮材料在應力集中處漏磁場切向分量出現最大值、同時法向分量為零值的現象。Integrated the monitoring data collected from the scene of blast with the correlative theory of earthquake wave, the blast vibration characteristic of this underground blast engineering and the influence that the blast vibration act on the ground buildings are analyzed. applied the method of duality linearity regression analysis, the propagation attenuational laws of blast earthquake wave in this underground engineering are gained by this software matlab. the analysis results indicat that the attenuational laws of blast earthquake wave are obvious diversity in the condition of difference distances
結合採集到的大量爆破振動現場實測數據，並應用地震波的相關理論，分析了該地下工程開挖爆破的地面爆破振動特性及爆破振動對地面建（構）築物的影響;應用二元線性回歸分析法，通過matlab軟體計算得出該地下工程開挖爆破地震波的傳播衰減規律;分析結果表明，不同距離下的地面爆破地震波的衰減規律存在明顯的差異，近距離條件下爆破地震波的垂直方向分量衰減最慢，遠距離條件下垂直方向分量衰減最快，遠距離的爆破地震波的垂直方向分量和水平徑向分量的衰減指數均要比近距離相應的爆破地震波衰減指數要大。First according to the fact that tangential components of the evolution do not affect the geometric shape of the evolving curves, we introduce the evolution equation of geometric quantities for the general planar curves. then we describe the work of gage - hamilton briefly. last we consider a special curvature flow of curve which evolves with speed function of the principal curvatures along the inner norm and show that convexity of the curve is kept and its length and area are contracted if the initial closed curve is smooth and convex. so the final shape of the curve will be a point in finite time
首先根據曲線在切向分量上發展是不影響曲線的發展形狀，我們引入了曲線的一些幾何變量的發展方程；其次我們簡要地回顧gage - hamilton研究曲線發展的一般步驟；最後我們考慮沿曲線的內法線以曲率的函數為發展速度的一類特殊的曲線族，證明了在初始曲線為凸的閉平面簡單曲線條件下，曲線將保持凸的，並且它的面積和周長將同時收縮，並在有限時間內成為一個點。The shape and character of the zero line, an important criterion for magnetic memory testing of the normal field is analyzed under different longitudinal magnetization
研究了管件處于外部弱磁場的缺陷段的位置對表面磁場法向分量零值線分佈的影響。The results showed that the character of the zero line should be considered when using metal magnetic memory testing method to find and locate the defects
結果表明，利用磁記憶方法作無損檢測，尋找和定位缺陷段位置時，應該考慮法向分量零值線的這種分佈特徵。For the scattering field caused by the finite - length conducting and permeable cylinder, the boundary condition that the normal component of electrical strength is zero in conducting medium, i. e. en = 0, was used to determine the separation constant of boundary value problem in the past
以往含有有限長導電導磁圓柱體散射場的求解，大都根據導電媒質中電場強度法向分量為零，即e _ n = 0 ，這一邊界條件來確定邊值問題中分離常數的取值。Considering that the ferrite core is often made from good permeable material, the dissertation presents the condition that the normal component of the magnetic field strength is zero approximately at the inside surface of good permeable material, i. e. bn = 0 to determine the eigenvalues for the separation constant. during the solving process, the solenoid coil is supposed to be wound closely by infinite symmetrical delta - coils
考慮到磁芯通常是由導磁性能非常好的軟磁材料構成，本文提出利用靠近良導磁材料內側磁場強度法向分量近似為零，即b _ n 0 ，這一邊界條件，來確定邊值問題中的本徵值。A combined recognition feature extraction method based on vehicle target contour is given. this kind of recognition feature includes global shape features and local statistic features of target contour ’ s horizontal and vertical part. it can be used in visible light and infrared situation, and it has good stability and consistency even if the illumination and texture changed
基於這些特點，本文給出一種基於車輛目標輪廓的組合識別特徵提取方法，所提取的組合特徵包括以車輛目標輪廓為基礎的全局形狀矩特徵和以車輛目標輪廓縱橫向分量為基礎的局部統計特徵，該方法具有較強的穩定性和一致性。分享友人