法向于曲線 的英文怎麼說

中文拼音 [fǎxiàngyúqūxiàn]
法向于曲線 英文
normal to string
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 曲 : 曲名詞1 （一種韻文形式） qu a type of verse for singing which emerged in the southern song and ji...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下：首先針對荒漠化地區的地物特徵，對高光譜數據不同波段的數據質量、波段組合進行了評價，提出了適用於荒漠化監測的基本波段選擇集；初步了解和掌握了研究地區的地物光譜特性及變異規律，進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎；發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象，對于譜形相似而整體反射率的值相差較大的兩類地物，通過引入均值和方差圖像參與分類得到解決；研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段，這些波段與植被生物量和蓋度都有密切的關系，是開展精細植被分類研究和植被定量反演的重要基礎；像元的導數光譜分析可以消除土壤背景的影響，是進行植被生物量和蓋度定量反演的有力工具；建立了荒漠化監測主要評價因子的定量反演模型，並分析了模型的適用性。
  2. For the regular curves, we find two killing fields for the purpose of integrating the structural equations of the p - elastic curves and express the p - elastica by quadratures in a system of cylindrical coordinates. for the star - like affine curves, we solve the euler - lagrange equation by quadratures and reduced the higher order structure equation to a first order linear system by using killing field and the classification of linear lie algebra sl ( 2, r ), sl ( 3, r ) and sl ( 4, r ). we solve the centroaffine p - elastica completely by quadratures

    對于正則曲線的情形，我們發現了兩個用於求解p -彈性曲線的結構方程的killing向量場並用積分將p -彈性曲線在一個柱面坐標系中表示出來，而對仿射星形曲線的情形，我們用積分方法解出了歐拉-拉格朗日方程，利用killing向量場及線性李代數s1 （ 2 ， r ） 、 s1 （ 3 ， r ）和s1 （ 4 ， r ）的分類將高階結構方程降為一階線性方程，因此我們用積分完全解出了中心仿射p -彈性曲線。
  3. Teamed up with four other beautiful and brilliant girls, all of whom are graduates of music academy schools, sun lili, herself a music academy graduate, founded the five princess band in 2004. unlike other girls bands which have been quick to colone the same style, an enormously success for a band of this nature, five princess is quietly insistent on developing its own style : combining singing with melody to create a new fashion of traditional chinese music. the reason, according to sun lili, the singer of the band and one of the top ten winner singers in the pepsi pop music contest, is that it greatly adds to the appeals of the music if the traditional melody is accompanied by a song

    「五樂格格女子新民樂彈唱組合」創建於2004年，由畢業于高等音樂學府的孫莉莉召集了其他四位音樂學院青春靚麗，才華橫溢的美少女組成，她們沒有向如今遍地開花的其他新民樂組合一樣去拷貝一種風格，而是走出了另外一條不同於任何組合的路線，那就是彈唱結合的形式，揚琴兼組合主唱手之一孫莉莉的想法是：現如今沒有一首膾炙人口的器樂曲，很多器樂組合演奏了很多優美的器樂曲也不被廣大聽眾認知，所以，她們認為有曲有唱，既有優美的民族樂器旋律，也會同時通過她們的演唱來豐富樂曲，這樣才會流傳下來她們的歌曲。
  4. 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。
  5. 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。
  6. By using visual basic 5. 0 language, activex automation interface, the oop technology and developing autocad 2000, the system not only can achieve the horizontal design and the vertical design of three - legs and four - legs intersection at the tangent section and the curved section, but also can calculate earthwork based on digital terrain model

    本系統以vb5 . 0為開發工具，採用面向對象的編程方法，利用activex自動化技術，通過對autocad2000的二次開發，可以進行處于直線路段、曲線路段的三路、四路交叉口的平面設計和立面設計與繪圖，完成基於數字地面模型的工程數量計算。
  7. The research can offer some important references to the population ecology of endangerous plant, too. based on the dates of two different circumstances, two standard life tables of form. taais chinensis var. mcarei population are founded by mathematical technique according to premising with " space deducing time ", and the curves of survival rate, mortality rate and killing power were drew. the results showed both of the survival curves of population appeared to be a type of deevey - iii and the high mortality of seeding is one of the important reasons which caused taxus chinensis var. mairei to be endangered, which badly limited the enlargement of form. taxus chinensis var. mcarei population

    由於南方紅豆杉無解析木，因而以「空間推時間」 、 「橫向導縱向」方法，將林林依胸徑大小分級，以立木級結構代表年齡結構，採用分段勻滑技術，對兩個不同生境的南方紅豆杉種群編制特定時間生命表，繪制存活曲線，結果表明不同生境的南方紅豆杉種群的存活曲線均趨于deevey -型，兩地差異較小，幼苗死亡率極高，不同生境的幼苗死亡率均達到96以上。
  8. Based on the resolving algorithm of continuous - layer method, the time order analyzing curves, acceleration curves and the response spectra of transfer function at the different points of the ground and at the same point on the different ground conditions are gained. it demonstrates that the responses of ground in x, y and z axial directions all change by time, and the obvious wave propagation appears in ground. for different observing points on the same ground condition, at more distant points from the load line, the less swings are found, that is to say, vibration possesses the obvious characteristic of attenuation

    基於分層法的解析演算法，得到了在不同點以及在同一點但不同地質條件下的時程分析曲線、加速度變化曲線和傳遞函數反應譜，結果表明，地基土在x 、 y 、 z三個方向的響應都是隨時間變化的，並且伴隨有明顯的波動現象產生；對于相同地質條件的不同觀察點，距離荷載作用線越遠的地方振幅越小，即振動具有明顯的衰減性。
  9. The author ' s work gives new way, which is beneficial to real time interaction and can efficiently reduce computing time as well as data storage amount. these algorithms can find good use in numerical machining, robotics, form - position tolerance and computer graphics. ( 3 ) degree reduction for nurbs curves and surfaces by applying the theory of the best uniform approximation of chebyshev polynomials and the explicit matrix representation of nurbs curves, this thesis centers on the research of the explicit nearly best approximation of multi - degree reduction of nurbs curves

    以上關于等距曲線的幾何逼近與代數逼近的演算法改革了當前國際圖形界只能對基曲線沿法矢方向平移定距離的點作近似逼近的固定模式，創造了利於交互操作，能有效地減少計算量及數據存儲量的新方法，可在數控加工、浙江大學碩士學位論文機器人、形位公差學、計算機圖形學中獲得很好的應用（ 3 ） nurbs曲線曲面降階應用nurbs曲線的顯式矩陣表示及chebyshev多項式逼近理論，以實現nurbs曲線顯式一次性降多階的近似最佳逼近為目標進行了研究
  10. This research is based on a group of countries in deferent developing phase in the same period. then, by using spss statistic software, from the regressive model, we made a conclusion that a cubic curve is found to describe the law of the housing ratio that change with economic development. we hereby divide the cubic curve into three phases : rising, falling, and re - rising, then we analysis the character of each phase

    本文採用橫向數據分析法，研究了同一時期處于不同經濟發展水平的一系列國家住宅產業增加值在gdp中所佔的比率，然後藉助spss統計軟體進行回歸分析，得出了住宅比率隨經濟發展呈現三次曲線的變化規律的結論，並據此劃分了住宅產業發展軌跡的三個階段，即上升階段、下降階段、再上升階段，分析了每個階段的基本特徵。
  11. This paper particularly and thoroughly studied the development of air situation simulation system on a certain military information system. firstly introduce the system ' s frame and analyze the whole system by ooa technology, from which abstract some clusters and give the connection of these clusters, secondly give the arithmetic about plane ' s track, radar and sentry ' s scan function by thoroughly study the curve ' s fit and insert value method, show a better method for how to inspect plane, finally paint the system ' s flow chart. the system is basically credible by test

    本文主要討論了某軍用信息系統的空情模擬部分，首先從系統的整體功能出發，宏觀地描繪了該系統的基本框架，然後根據需求情況對該系統的各個功能運用面向對象的思想進行分析，從中抽象出多個類，設計了類與類之間的關系，並通過對各種曲線的擬合和插值演算法進行深入細致的研究，給出了求飛機飛行軌跡的演算法實現，以及雷達和哨所的方程表示，對于監測飛機的演算法結合實際給出了一種比較好的解決方法，最後繪制了整個軟體的流程圖以及描述了各個模塊的具體實現過程，完成了系統的需求。
  12. Firstly, well logging responses of fractured reservoir have been worked out by using rock core to calibrate well logging data. secondly, with the help of the seismic coherence cube, 3d volume visualization, seismic multi - attribute parameter, the curves of geophysical characteristics restructed, seismic data inversion with well logging restrict, the well curves inversion and so on, much work has been done, such as the full 3d seismic data fine structure interpretation and the studies for predicting the fractured reservoir in buried hills. a technique has been invented to predicting the fractured reservoir of metamorphic rock in buried hills with the integration of the multi - attribute and the multi - parameters

    利用巖芯標定測井資料，研究了裂縫性儲層的測井響應，進而藉助于地震相干體技術、三維可視化、地震多屬性參數、地球物理特徵曲線重構、測井約束地震反演和測井特徵曲線反演等多項技術開展了全三維地震構造精細解釋和潛山裂縫性儲層橫向預測研究，形成了多屬性、多參數綜合預測變質巖裂縫性儲層的方法。
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