矩比 的英文怎麼說

中文拼音 []
矩比 英文
moment ratio
  • : 名詞1. (畫直角或正方形、矩形用的曲尺) carpenter's square; square2. (法度; 規則) rules; regulations 3. [物理學] moment
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  1. A new pbg cover formed by digging air holes in the material is studied. lt is easier to be fabricated compared with the structure reported before

    與文獻所報道的形氧化鋁棒結構相,這種新的覆層結構由於採用了介質內鉆空氣孔的形式更容易加工實現。
  2. The best optimum mathematical model is constituted. scalar factor of structural parameter on loop rectangular negative pressure and adsorption slide is calculated. structural parameter, air gas source pressure carrying capacity and thickness of air cell are made sure by hydrodynamics and the theory of gas lubrication

    詳細論述了導軌副的設計過程,運用數學上的拉格朗日條件極值求解法,建立最優化數學模型,求出環形負壓吸附導軌的結構參數的例情況,並運用流體力學和氣體潤滑理論確定了環形負壓吸附導軌的結構參數、氣源氣壓、承載能力和氣膜厚度的確定性結論。
  3. Compared with aitken extrapolation, eigenvalues - based algorithm bypass aitken transform and perform more effectively than aitken extrapolation algorithm theoretically in the process of iterating hyperlink - based markov matrix

    與aitkenextrapolation演算法相,基於特徵值求解的演算法不藉助aitken變換,而通過特徵值直接求解馬爾可夫超鏈接陣的主特徵向量,從理論上aitkenextrapolation演算法更高效。
  4. In single pylon cable stayed bridges, and cable stayed bridges without backstays, when the bottom of the tower bears the moment from the dead load, it is concluded that non - symmetric configuration of pile cluster corresponding to the upper structure is more practical than symmetric configuration of pile cluster

    當獨塔斜拉橋、無背索斜拉橋等橋梁塔底永久作用有彎時,與完全對稱的基礎形式相較,和上部結構相協調的不對稱基礎形式更加適用。
  5. Furthermore, we made a great deal of numerical experiments and the numerical results suggest that the new 9 parameters triangular element is more effective than robust element, and the new 12 parameters rectangular element is more effective than the 12 parameters one in [ 5 ], acm, and the non - complete biquadratic rectangular element

    0 )的收斂性,並進行了大量數值實驗,結果表明:新的9參三角形元robust非協調元,新的12參形元已有的12參形元, acm元,不完全雙二次形元數值效果都要好
  6. 5. two criteria are put out in straw classification process. the first one is based on the proportion of length and width of object ' s bound box, and the second one is based on the circularity of object

    5針對秸稈物體的形狀特徵,提出用物體外包形的長寬以及物體的圓形度二準則依次進行目標形狀判斷的方法。
  7. In the self - calibration scheme, the thesis emphasizes the accuracy of camera intrinsic and extrinsic parameters. we presents an accurate f method based on corresponding point adjustment. the method adjusts coresponding points according to the fixedness of projective transformed cross ratio, then calculates f matrix accurately through linear and non - linear methods. when computing intrinsic parameter, a matrix, we simplify the step, and stress on the two important parameters of a. the result will be getten through solving kruppa equation based on svd decomposition. in order to compute extrinsic parameters, we use linear method to get initial r and t, then apply non - linear method to accurate them

    提出了基於匹配點調整的f求精方法,先根據攝影交不見性對手工選擇的匹配點進行調整,再用線性、非線性結合的方法求精f陣;在計算內部參數a中,進行了一定的簡化,把重心放在a中重要的兩個參數上,用svd分解法計算kruppa方程;在計算外部參數時,首先用線性法求解r 、 t ,然後再用非線性法迭代求精。
  8. Based on projective geometry, the research works about 3d invariance ' s extraction and application have been done in this thesis as following : ( 1 ) the basic theories and concepts in projective geometry are systematically summarized. it includes : the camera models of perspective imaging, projective collineation, cross ratio, a simple compare about invariance ( invariant ) among some geometry transformations, fundamental matrix, epipolar and epipolar line in epipolar geometry, and so on. ( 2 ) the calculation methods for 2d projective transformation are extended from points to multi - element, which includes points, lines, points lines and so on, to get the relationship between two projective planes

    基於射影幾何理論,論文圍繞3d不變特徵的提取和應用進行了如下的研究工作: ( 1 )系統總結了射影幾何中的若干基礎概念,包括:透視成像的相機模型、射影對應、交不變量、基於不同幾何變換下的不變量的簡單對、對極幾何中的基礎陣、對極點、對極線等。
  9. Comprehensive calculating method of friction moment for circle disc frictional cutch

    盤式摩擦離合器摩擦力計算方法對分析
  10. There is more pleasure, even in this world, in an innocent and virtuous life, than in one debauched and vicious.

    就是在塵世間,過一輩子清白、規日子,也荒淫、放蕩要快樂得多。
  11. A large member of experimental findings was analyzed. the output torque of rera and plate er actuator were compared. the results showed that the torque transferred by ripple actuator is larger decuple than that of plate actuator

    本文通過對大量的實驗數據進行分析,對波紋式與平盤式電流變傳動機構的輸出力進行較,得出波紋式要平盤式所傳遞的力大十倍的結論。
  12. The signal we named it fundamental wave ; according to the fundamental wave, coefficients of the fundamental wave can be lined in a sequence. when the unique of the dissolve of the fundamental wave can be confirmed, the sequence of the coefficients can be regarded as one of representation forms of the signal itself ; theory of dissolvable signal shows that when order of the matrix of fundamental wave sampling equals to number of fundamental waves, the sequence of the sampling values from sampling points must be matched one by one with the sequence of the coefficients of fundamental waves. the sampling composed by sequences of the sampling values must be full sampling ; the relevant deductions of the theory of dissolvable signal shows that when sampling the signal, sampling frequency must be lager than the ratio of the number of fundamental waves to the occupation time of the fundamental waves ; to band - limited signals, when the fundamental wave is a sine signal, the results from the relevant deductions of theory of dissolvable signal is coherent to the classic sampling theory

    本文通過分析認為,當信號集中的任一信號可表示為一系列已知信號的線性代數和時,信號集便構成可分解信號集,已知信號稱為基波信號;對可分解信號而言,基波系數構成一序列,當對指定的基波信號集分解唯一確定時,系數序列本身便是信號的一個表示;可分解信號采樣定理指出當基波樣值陣的秩等於基波數時,則由采樣點處的采樣樣構成的樣值序列必與基波系數序列一一對應,從而由該樣值序列構成的采樣必為完全采樣;可分解信號采樣定理中的推論指出,對信號集進行采樣,采樣頻率必須大於其信號分解的基波數與其對應時長之;對有限帶寬信號,若基波信號為正弦信號時,由可分解信號采樣定理推論給出的結論與經典采樣定理一致。
  13. The results showed that the torque ratio and efficiency curve are almost not affected by width ratio, whereas the torque capacity performance changes especially when the speed ratio is less than 0. 6

    結果表明,隨寬度減小變矩比和效率基本不受影響,而透穿性則由正透穿逐漸變為混合透穿,在速大於0 . 6時傳動性能基本沒有差異。
  14. While the compressed electret micromotor adopt top - drive structure, the output torque of it is larger than that of side - drive structure

    扁平駐極體微電機採用項驅動型結構設計,此結構電動機的輸出轉矩比側驅動型靜電電動機要大。
  15. This dissertation deals with the content - based image retrieval ( cbir ) theory and technique ; some new features and tools for more concisely and discriminatingly charactering the content of an image are proposed, such as region - based color histogram, grey - primitive co - occurrence matrix, ratio of centripetal moment, ratio of eccentric moment and ratio of inertial moment. a new modified genetic algorithm is also described in this dissertation, which can upgrade the performance of standard genetic algorithm ( sga ) while used in image segmentation

    本文以圖像數據庫檢索為主線,討論了基於視覺內容的圖像檢索方法,提出包括基於區域顏色直方圖、灰度?基元共生陣及向心矩比、偏心矩比、慣性矩比的特徵描述方式;對遺傳演算法存在的早熟、收斂到最優解慢等問題提出了解決方法,並將改進遺傳演算法應用到圖像分割中,編制了相應程序。
  16. Some new features such as ratio of centripetal moment, ratio of eccentric moment and ratio of inertial moment are introduced in this dissertation. these features have the properties of scale - invariance -, rotation - invariance and translation - invariance, and can be used well in depicting the linearized outline object

    本文提出向心矩比、偏心矩比、慣性矩比概念,對線性化后的輪廓應用本文方法,既能較好地描述圖像目標,又具有旋轉、平移和尺度不變性。
  17. Additionaily, the calculation method presented by specification for design of r. c. special shaped columns ( dbj / tl5 - l5 - 95 ) is discussed. in order to study the shear responses of special shaped columns, the ratio of tensile flexural steels " the ratio of moment and the shear - span ratio were analyzed

    為了研究異形截面柱的受剪性能,本文在總結已有試驗資料的基礎上,分別討論和分析了考慮受拉縱筋配筋率、彎矩比和剪跨對異形截面柱受剪承載力的影響。
  18. Firstly the method of rayleigh - ritz and galerkin were adopted to analyze the beams under loading combined antisymmetric end moments with transverse uniformly distributed load theoretically, and the results were compared with that offered by kirby, p. a and nethercot, d. a, it showed that result was approximate and even lower and so to some extent the approach used in the paper is practice. secondly several principal factors that affect the beam stability were analyzed respectively, especially the shortening effect was mentioned scarely in some literature so far. at last, the author adopted the matlab to program the finite element software to analyze numerically, the results derived from it were agreed well with it

    本文分別採用了rayleigh - ritz法和galerkin法從理論上分析了反對稱端彎及橫向均布載共同作用下樑的等效彎系數,並與kirby , p . a和nethercot , d . a分析結果進行對,結果表明本文採用的方法得出的等效彎系數與其得出結果較,在均布荷載與端彎矩比例相差不大時基本接近或偏小,說明此方法是可行的,而當均布荷載與端彎矩比例較大時,應根據均布荷載作用進行彎等效方法來計算。
  19. The effect of different sizes of sections, modes and values of residual stresses are studied. through the analysis, the conclusion is arrived at that the universal slenderness ratio should be used to better correlate the stability of box section beams with the member length instead of the out - of - plane slenderness, and the stability coefficient is taken to be 1. 0 for practical used box girder. then, the elastic critical loads of box section beam - columns are obtained based on the gjelsvik theory, and the relationship between axis force p and moment m is given

    最後,運用ansys通用有限元程序的beam189單元,引入初彎曲和殘余應力的影響,用考慮幾何和材料雙重非線性的有限元求解格式求得箱形柱在不同軸力和彎矩比例作用下的彈塑性極限承載力,通過對十幾個不同截面尺寸構件在不同長細下的承載力計算,發現在軸力p遠大於彎m時,構件將是平面外失穩控制,而當軸力p遠小於彎m時,構件則以平面內失穩為主。
  20. Conclusions can be drawn from the graph of brake torque change of the mrp brake : using different mrp, the brake torque varied very much ; with the same working diameter, the same width of working face and the same distance, the brake torque of plate mrp brake is bigger than that of cylindrical mrf brake ; in a certain range of temperature, temperature has little effect on the brake torque ; while working diameter and working distance of the brake has obvious effect on the brake torque, so in the design, these two parameter should be emphasized

    從制動器制動力的變化曲線得出:磁流變液不同,制動力變化很大;在相同工作面直徑、工作面寬度和工作間隙的條件下,盤式磁流變液制動器的制動力矩比圓柱形磁流變液制動器大;在一定的溫度范圍內,溫度對磁流變液制動器的制動力影響不大;而制動器的工作直徑、工作間隙對磁流變液制動器的制動力有明顯的影響,所以在設計中應重點考慮這兩個參數。
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