角梯度 的英文怎麼說

中文拼音 [jiǎotīdù]
角梯度 英文
angular gradient
  • 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...
  • 梯 : Ⅰ名詞1 （梯子; 樓梯） ladder; stairs; steps; staircase 2 （姓氏） a surname Ⅱ形容詞（形狀像樓梯的...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  1. To corner feature, both gradient magnitude change and direction change of gradient vector are discontinuity in a local image neighborhood, hence gradient - direction variation and gradient magnitude are used as another decision rule of the corner detection to improve antinoise

    為了提高抗噪聲，根據角特徵不僅灰度變化是不連續的，且相對周圍其他點的梯度方向也是不連續的，提出利用梯度角變化和梯度幅值作為角特徵檢測的另一個準則。
  2. The thesis selects canny operator to segment the image because canny operator can provide the gradient orientation angle and it can segment the image efficiently

    因為canny運算元能夠提供梯度方向角，而且其分割效果也較為理想，本文採用了canny運算元進行圖象分割。
  3. So, we propose another novel algorithm using the cubic spline interpolation along the relevant direction and computing weights by trigonometric function of the gradients. the algorithm also adopts the correlation between color channels. and it proved highly effective based on some tests

    鑒於此，本文接著提出了一種基於三次樣條函數在相關方向進行插值以及利用梯度的三角函數關系來計算相關性加權系數的混合型插值方案，並結合了考慮不同顏色通道間的相關耦合關系。
  4. Besides, it was founded that the compatible of the system consisted of mts - mma copolymer and pmma was better than that of pmts / pmma

    應用dma ， dsc ， uv及水滴接觸角等測試手段表徵了有機硅聚合物-聚甲基丙烯酸酯梯度膜的性能。
  5. The algae multiplied massively in suitable environment, and made the amount of available phosphorus in soil increase significantly. the influence of the base matter on available phosphorus in soil was much more significant. in the second step, nostoc commune and chlamydomonas sajao lewin were inoculated of different inoculation quantities to the barren soils

    實驗是在貧瘠土壤種接種具有固氮能力的念珠藻（藍藻類）和沙角衣藻（陸生綠藻） ，在0 . 1g 、 0 . 5g 、 1 . 0g 、 2 . 0g濕藻重500g土重的不同濃度梯度進行接種，進行常溫下培養。
  6. 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。
  7. The angle between cu, ph and the first axis is very small, shows significant positive association. the angle between mn, electrical conductivity and the second axis is also small, showing significant association, and the correlations between p and the second axis are significantly negative

    環境因子中，氮、有機質、海拔與第一軸呈負相關，其餘因子與第一軸呈正相關，而銅、 ph值與第一軸夾角很小，說明它們和水分梯度有顯著的正相關，而錳、電導率與第二軸夾角小，說明它們與第二軸相關性大，而磷和第二軸卻呈顯著負相關。
  8. In this application, the lorentz force generated by the interaction between the current in the wire and the geomagnetic field produces an electro - dynamic drag leading to a fast orbital decay. in this paper, we make an intensive study of the process of de - orbiting using electro - dynamic tether system. the concrete work includes : firstly, i have studied the basic principle of how to generate the electro - dynamic drag, modeled via accuracy geomagnetism, made a concrete analysis of the de - orbiting duration, the magnitude and direction of electro - dynamic drag under the action of the dipole and accurate geomagnetic models, set up a counterbalance between electro - dynamic torque and gravity gradient torque, emulate the de - orbiting process of spacecraft, and compared the change of six orbital factors and the de - orbiting duration under the action of the dipole and accurate geomagnetic models

    本文對基於電動力纜繩的航天器離軌過程進行了深入研究，具體工作如下:首先，本文研究了電動力纜繩產生電動力拉力的基本原理，建立了精確地磁場模型;分別在偶極子模型和精確地磁場模型作用下，對電動力拉力的大小、方向、離軌時間及電動力纜繩傾角的大小進行了計算分析;建立了電動力力矩與纜繩系統重力梯度力矩的平衡關系;分析了電動力力矩為系統提供能量的原理;最後分別在偶極子地磁場模型和精確地磁場模型作用下，對受電動力纜繩作用的航天器的離軌過程進行模擬，分析了在不同精度地磁場模型下，航天器離軌過程中各軌道參數的變化情況，並比較了不同模型對離軌時間的影響。
  9. And grindintg experiment based on uniform design is conducted. depending on data process system, the regression model of production efficiency, output per degree and particle are established. through single factor analysis on all experimental indexes, the law that the bottom corner, height, bottom length of trapezium and spacing influence the hammer mill capbility are achieved

    並採用均勻設計方法安排異型粉碎室粉碎試驗。利用數據處理系統，建立生產率、度電產量、粒度的回歸方程。對各試驗指標進行了單因素分析，研究梯形篩片的底角、高度、間距和下底長對粉碎性能的影響規律。
  10. The algorithm included three steps : firstly, the text sub - region was selected adaptively according to the feature that the edges contained in text regions was stronger than those in non - text regions ; secondly, the blank bars between two text lines were extracted by blank blocks searching ; thirdly, the skew angle of blank bar was calculated by directional fitting, and this skew angle was just the document skew angle

    該方法首先通過對梯度圖像的統計分析，自適應地選取到了包含文字的特徵子區；在特徵子區內，論文把文字行間的空白條帶看作一條隱含的線，用優化理論計算出空白條帶的傾斜角度，這也就是文本的傾斜角度。
  11. This paper discuss a modeling and predicting means for nonlinear systems proceeding from nonlinear systems modeling and predicting theory, whch is based on drnn model. this means overcomes the fact that ar model is used only in linear systems, at the same time it connects itself with approximation theory symbolic statistics and conjugate gradient algorithm, and formulate a system of large watercrafts motion modeling and predicting which is based on drnn model, and simulate it

    本論文從非線性系統建模與預報的理論及應用觀點出發，系統地闡述了一類適用於非線性系統的建模預報方法? ?基於drnn模型的建模預報方法，克服了ar模型僅局限於線性的情況，同時結合逼近論、數理統計等知識，運用共軛梯度演算法，提出並建立了基於對角回歸神經網路的大型艦船運動建模預報系統，並進行了模擬。
  12. Lt is obvious that the decaying rule of average reverberation intensity is affected by scattering coefficient of sea floor, sound speed profile, inclination of bottom etc. the sea floor scattering function is the most importan factor to the intensity decaying rule

    結果表明：海底散射方向性指數因子、海水聲速梯度、海底傾斜角等對海洋混響平均強度的衰減皆有影響。海底散射方向性指數因子對其影響最大，即適當選取海底散射模型是淺海近程混響建模的首要因素。
  13. Based on the transfer - matrix method, the general expressions of equivalent four - terminal network parameters of varying section torsional horn are derived, the relations between frequency equation and both the rotational velocity amplification and that of the surface tangential velocity of stepped type torsional ultrasonic horn with transitional section of cosine - like type are obtained

    摘要基於傳遞矩陣演算法，推導出了變截面桿扭轉振動時等效四端網路參量的一般表達式，研究了帶類餘弦過渡段階梯形變幅桿扭轉振動頻率方程與角速度放大倍數及外表面切向速度放大倍數等的關系。
  14. At last with the prototype of the vertical - axis cycloid turbine, the optimal method and its mathematical model based on conjugate gradient method are presented in order to enhance the energy conversion coefficient. such optimal results as the energy conversion and the relation between attack angle and azimuth angle are given with particular analysis to sum up the reason of the improved performance of the turbine

    最後以豎軸直葉擺線式水輪機為優化原型，提出了一種水輪機水動力性能的優化計算方法，建立了數學模型，運用共軛梯度法進行優化設計，以提高水輪機的能量利用率為目標，給出了優化的葉片攻角變化規律、能量利用率結果，探討了能量利用率提高的原因。
  15. Based on the theory of mechanical optimization and finite element analysis, elbow - bar mechanism of the mp1040b moulding machines made by beiren group is investigated in the dissertation. firstly, a kinematic model representing the bar mechanism is built and the nonlinear system of equations is solved through the method of gradient. meanwhile, the angular displacement, angular velocity, angular acceleration and the corresponding curves of each component in a motion period are obtained

    本文以北京人民機器廠mp1040b型模切機肘桿機構為研究對象，以機械最優化理論和有限元技術為基礎，首先對模切機肘桿機構建立數學模型，通過梯度法求解此非線性方程組，並得出機構在一個運動周期中各構件的角位移、角速度、加速度等運動參數及曲線。
  16. In conjugate gradient optimization algorithm, the continuous and digital models of an imaging system are defined to explain image acquisition, the image registration algorithm and the conjugate gradient reconstruction algorithm are designed

    在共軛梯度最優化迭代演算法中，對相機模型、圖像微位移和微旋轉角精確配準、共軛梯度重建等關鍵技術進行了研究。
  17. The different ratio and dosage of composite surfactants were researched about the polymer latex ' s stabilization and structure. these copolymers and homo - polymer blend to prepare self - structure gradient film. to prepare the functionally gradient materials ( fgm ) of polysilane - polyacrylate, the method of emulsion mixture was performed

    各種均聚物、共聚物膜的水滴接觸角顯示，單體tris的含量越高，膜的水滴接觸角越大，這也表明共聚物的表面能隨tris的含量呈梯度變化。
  18. Magnetic anomaly detection is a kind of magnetic technology of target - detection. it is developed with the progress of magnetic sensors, which is based on the phenomena that ferrous objects disturbs the magnetic lines of force of the earth. so we can gain the neccesary informatin of the target through processing the data of the magnetic anomaly signatures. this technology has a wide perspective in the future. this paper will study the technoly of mad through a lot of experiment. the platform for the experiment is made

    本論文通過大量實驗對磁異信號目標探測技術進行了研究，研製了磁異信號目標探測技術試驗平臺，利用amr磁阻傳感器開發了提取磁異信號特徵量?磁梯度計，並基於磁場梯度計通過實驗對模擬磁性目標的磁異常場的分佈進行了研究，用圖示法將其分佈特徵表現出來，發現了磁異信號測量的最佳角度，並給出了理論分析和結論。
  19. While increasing the role of economic and radiation center of prd, hunan province as a second gradient should get close center actively by advantages of resources, talents and stock assets rather than accept gradient transfer passively. in its economic

    在不斷加大珠三角經濟中心的焦點輻射作用的同時，作為第二梯度的湖南省應以自己的資源、人才和存量資產優勢積極主動地向中心靠攏，而不是被動地接受梯度轉移。
  20. In guangdong, the greater pearl river delta ( gprd ) and its peripheral areas are characterized by the structure of geographical gradient : gprd serves as the economic and cultural core, while the peripheral as the marginal zone

    摘要從大珠三角與其周邊地區的地理梯度特徵，可見大珠三角在廣東地理、經濟、文化中的核心地位，其周邊地區的邊緣地位。
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