相似三角形 的英文怎麼說

中文拼音 [xiāngsìsānjiǎoxíng]
相似三角形 英文
homothetic triangle
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 三 : Ⅰ數詞1. （二加一后所得） three 2. （表示多數或多次） more than two; several; many Ⅱ名詞（姓氏） a surname
  • 角 : 角Ⅰ名詞1 （牛、羊、 鹿等頭上長出的堅硬的東西） horn 2 （古時軍中吹的樂器） bugle; horn 3 （形狀像...
  • 相似 : 1. （相像） resemble; be similar; be alike 2. （相像處; 類似物） similarity; similitude; analogue
  1. Let's consider the sawtooth pattern of similar triangles in fig. 9.

    我們來研究圖9中一組相似三角形的鋸齒形模型。
  2. Firstly, based on a modified lyapunov function and the approximation capability of the first type fuzzy systems, two new design schemes of decentralized adaptive fuzzy controller for two class of similar multivariable nonlinear continuous systems with a triangular matrix function control structure is proposed in this paper, respectively

    本文首先對兩類結構相似的具有下三角形矩陣函數控制增益的多變量非線性連續系統，基於一種修改的李亞普諾夫函數，並利用第一類模糊系統（即具有線性可調參數的模糊系統）的逼近能力，分別提出一種分散自適應模糊控制器設計的方案。
  3. Result of numerical simulation shows that the grads of continuous phase " s velocities decreases with the presence of microbubble of which the diameter is 100 / / w, the profiles of air volume fraction in the boundary layers is similar to triangle or echelon, affected by interaction among the particle, there is a saturated air fraction, within the scope of saturated air fraction, increasing the air injection ratio can accrete the friction reduction ratio, under the condition of same air injection ratio, the free - steam velocity is larger, the effect of friction reduction is worse

    計算結果表明，直徑為100 m的微氣泡能減小近壁面連續相的速度梯度；微氣泡在邊界層中的濃度分佈近似為三角形或梯形分佈；受粒子間相互作用的影響，存在一飽和濃度；減阻率隨噴氣量的增大而增大，直至飽和噴氣量，此後，增大噴氣量，壁面摩擦阻力變化不大；相同噴氣量下，來流速度越大，減阻率越低。
  4. The main results in this paper as follows : first, a prototype of a shape - based image database retrieval system is completed, it can receive the query mode both by giving an example image and by sketching the desired object on the screen, second, five shape - based image retrieval methods are realized ; third, an algorithm based on triangulation for shape - based image retrieval is brought forward. in this algorithm, firstly, the edge of the original image is followed and the candidate corners in the original image are detected. then the counterpoints of the candidate corners in the result of edge follow are found, and the boundary corners whose counterpoints have been found are queued in the order of their counterpoints in edge follow

    同時本文中主要完成了以下三方面的工作：完成了一個基於形狀特徵的圖象檢索的原型系統，可實現例子圖象或徒手繪草圖兩種查詢方式；實現了五種利用形狀特徵進行圖象檢索的具體方法，並對其進行了分析比較；並且在繼承將三角剖分引入形狀檢索的思想基礎上提出了利用三角剖分進行形狀檢索的一種新演算法：先對原圖象進行邊界跟蹤和角點檢測；然後尋找初始角點在邊界跟蹤中的對應點，並對找到對應點的角點按其對應點在邊界跟蹤中的順序進行排序；再對排序后的角點進行德洛內三角剖分，得到能表示目標真實形狀的三角形序列；最後計算三角形序列的角度直方圖作為形狀特徵，並進行相似性匹配。
  5. To fulfill the need of the application of rp technique in medical domain, reverse cad modeling from medical cross sections is systematically studied in this dissertation. firstly, some algorithms related to the research of this dissertation are studied. new algorithms for orientation and inclusion test for simple polygon, an error constrained automatic faring algorithm for b - spline curve and a theorem regarding the termination criterion for subdivision of triangular bezier patch are proposed

    本文針對rp技術在醫學領域應用的需要，系統研究了基於醫學斷層輪廓數據的反求cad建模理論和方法： （ 1 ）在基礎演算法研究部分，提出了簡單多邊形方向及點在多邊形內外判斷的新方法、三角b zier曲面片離散的誤差控制定理和一種帶誤差約束的b樣條曲線的自動光順方法； （ 2 ）提出了一種基於相鄰層輪廓相似性的醫學斷層輪廓數據曲面重構方法； （ 3 ）提出了一種稱為「虛擬測量」的曲面模型處理方法。
  6. At about 5. 40 am on december 23, officers of the patrol sub - unit of sha tau kok division discovered the three suspects whose physical appearances and ages were similar to the descriptions in the above burglary case at the border fence in lin ma hang road

    十二月二十三日約上午五時四十分，沙頭角分區警署的巡邏警員在蓮麻坑路的邊界圍網發現有三名可疑男子，而該三人的外形和年齡與上述爆竊案疑匪的描述十分相似。
  7. Abstract : a numerical model for wave propagation in water of varying topography and current is proposed, and time - dependent wave mild - slope equation with a dissipation term and corresponding equivalent governing equations are presented. two different expressions of parabolic approximations for the case of the absence of current are also given and analyzed. examples of numerical simulation for wave transformation in large estuarine water areas are provided

    文摘:提出了水深與流場緩變水域波浪傳播數學模型水流中依賴時間變量並考慮能耗的波浪「緩坡方程」及其等價的控制方程組，分析比較了無水流情況此理論模型與其相應的兩種拋物型近似的差別，提供了長江口波浪變形數值模擬計算工程實例.實例表明，該模型能適應河口三角洲大范圍水域波浪傳播數值計算
  8. On the base of determination of corresponding points between adjacent sections, dissimilar segments are separated to construct spatial dissimilar polygons. then triangular mesh interpolating the cross sections are obtained by tiling the dissimilar polygons and similar segments

    在確定相鄰層輪廓對應點的基礎上，將不相似部分分離出來並跟蹤不相似部分構成不相似多邊形，然後分別對相似部分和不相似部分進行三角化，得到三角網格模型。
  9. Archaeologists have found in ancient human skull fossils an orbit - shaped cavity above the two eye sockets, the three forming a triangle

    考古學家曾發現遠古時代的人頭顱骨化石，在兩眼眶上方有一個孔，與雙目成三角位置，其形狀和眼眶相似。
  10. A right - angled triangle that is similar to the calibration deice is built in 3 light lines that are imaging lines of 3 point of the calibration device. the relation can solve the external parameters of the digital camera

    在標定裝置三點成像的光線上建立一個直角三角形，使這個直角三角形與標定裝置的三角形相似，由此來確定相機的所有外部參數。
  11. Vi a new method and its proof for triangle congruence and similarity

    判定三角形全等與相似的一種新方法及其證明
  12. At last, this paper has developed a demo system to verify this algorithm. the results from experiment show that the simplified - model by the algorithm of divisional envelope pitches can preserve the sharp features and be of a higher resemblance with its original geometric model

    實驗結果表明，採用本文提出的這種演算法來簡化三角形網格模型，簡化后的模型能很好地保留原始模型表面的尖銳特徵，與原始幾何模型有著很高的相似度，具有較高的簡化效率和時間效率。
  13. Compared with the ordinary optimization algorithm of calibration, this algorithm is simple, less computational and high accuracy. finally, the paper put forward the ranging method based on similar triangle principle. it gives two ranging models according cooperation object vertical in the optical axis or not vertical in the optical axis and does experiment

    最後，本文提出了一種基於相似三角形原理的測距方法，根據合作目標與攝像機主光軸垂直與不垂直兩種情況，給出了兩種測距模型，建立實驗系統並進行了實驗，通過近距離段與遠距離段的測距結果與誤差分析驗證了此方法的有效性，能夠準確的確定合作目標的位置，計算簡單，測量精度高，具有重要的理論意義和工程使用價值。
  14. One liquid phase and two solid phases ) equilibrium curves of the 2d alternative ternary system are obtained. given a group of the attractive interactions " values, the phase diagrams that representing the equilibrium of one liquid phase and two solid phases, i. e. the knot triangles, are got, which are similar to the practice

    接著，利用相似的方法，得到了決定二維三元替換式l - j系統的三相平衡曲線方程的表達式，給定勢參數后，得到了三元系統中的由兩固相與一液相形成的三相平衡相圖，即結三角。
  15. Based on triangular membership functions, this paper studies the relationship between the overlapping degree, the selected feature subsets and the veracity of using these feature subsets in sorting the different similarity measures on optimal feature subset selection based on fuzzy value, and finds a more adaptable similarity measure for the optimal feature subset selection method based on fuzzy value

    在三角形隸屬度函數的基礎上，研究了基於模糊值的最優特徵子集選取演算法的不同相似性度量公式得出的類間交疊度、選取的特徵子集以及該特徵子集用於分類的準確性之間的關系，找到了比較適合於基於模糊值的最優特徵子集選取演算法的相似性度量公式。
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