均方半徑 的英文怎麼說

中文拼音 [jūnfāngbànjìng]
均方半徑 英文
mean square radius
  • 均 : Ⅰ形容詞（均勻） equal; even Ⅱ副詞（都; 全） without exception; all
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 半 : Ⅰ數詞1 （二分之一） half 2 （在 中間的） in the middle; halfway 3 （比喻很少） very little; the l...
  • 徑 : Ⅰ名詞1 （狹窄的道路; 小路） footpath; path; track 2 （達到目的的方法） way; means 3 （直徑的簡稱...
  1. This article takes the lagrange equation as the principle, establishes mathematics modeling to the inertia brake vibration when it brakes, then simulates it with matlab. this paper educed the relation equations between, which are the inertia brake ' s friction coefficient of the brake ring and the friction disk, the mean radius, the braking force, rotation inertia of the driving top and the spline shaft, spiral climbing angle of the brake ' s concave - convex helicoid, the mean effort radius of the concave - convex helicoid, elasticity coefficient of the spring, quality of the driving top and the spline shaft, rotations inertia of the brake ' s rotation part besides the driving top and the spline shaft, suppresses sleeve. provides the theory basis for the inertia brake structure optimization

    本文以拉格朗日方程為理論基礎，對慣性制動器在制動時的振動進行數學建模，然後用matlab對其進行模擬，得出了慣性制動器在制動時振動角頻率分別與制動環和摩擦片之間的摩擦系數、制動力的平均半徑、主動頂和花鍵軸的轉動慣量、慣性制動器的凹凸螺旋面的螺旋升角、凹凸螺旋面平均作用力的半徑、彈簧的彈性系數、主動頂和花鍵軸的質量、慣性制動器除主動頂和花鍵軸外其他部分的轉動慣量和、頂壓套的質量等慣性制動器各零部件的物理參數之間的關系，為慣性制動器的結構優化提供了理論依據。
  2. Mean square radius of gyration

    均方旋轉半徑
  3. The asteroids are the most important small bodies in the solarsystem, and they mainly lies in the two locations - a main belt between the mars ' s orbit and the jupiter ' s and the near - earth space. the most feature of the orbits of near - earth asteroids ( neas ) is that the semi - major axes of the orbits are nearly equal to that of the earth or the perihelia distances are approximate to or even less than the mean distance between the sun and the earth, thus they could move into inside of the earth ' s orbit, so that they might close approach or even colliside with the earth ( or other planets, such as the venus, the mars, etc. ). the characteristic brings about some difficulties in the numerical research during their orbital evolution, which leads to the failure of the normalization technique in the general removal impact singularities of celestial mechanics methods and the symplectic algorithm which is successfully applied to the investigation in quality. by comparing the computation effects of several common numerical methods ( including symplectic algorithm ), and considering the nature of the movement of the small bodies, the corresponding treatments are provided here to improve the reliability of the computation

    小行星是太陽系最重要的一類小天體，主要分佈在兩個區域；火星和木星軌道之間的一條主帶和近地空間.近地小行星軌道的最大特點是其軌道半長徑與地球軌道半長徑相近，或近日距離接近甚至小於日地平均距離，其運動可深入到地球軌道的內部，這將導致該類小行星與地球（還有金星、火星等）十分靠近甚至發生碰撞.這一特徵給其軌道演化數值研究帶來一些困難，包括天體力學方法中一般消除碰撞奇點的正規化處理以及對定性研究十分成功的辛演算法都將在不同程度上失效.通過對幾種常用數值方法（包括辛演算法）計算效果的比較，根據小天體運動自身的特性，給出了相應處理措施，從而可提高計算結果的可靠性
  4. Facilitating the configuration of protocol parameters, optimization of protocol operations, and more exact estimation of protocol performance, etc. basing on combinatorial theory and asymptotic method, we analyzed the properties of manets with nodes uniformly distributed in rectangular region. mathematical formulas of some basic properties of manets are obtained, such as the expected number of wireless links, mean node degree, the relation between network connectivity and radio range

    因此本文第二章基於組合學方法和極限思想研究了矩形區域內節點均勻分佈的無線自組網的幾項基本屬性，網路中鏈路總數的期望值，網路中節點度數分佈情況，以及網路連通性與無線信號傳輸半徑的關系等，得出了其解析描述。
  5. I have taken impotance to analyze the rallying point of famous product, concrete cost and capability of providing and guarantee in this artical, meanwhile, i have caculated the quantity of concrete needed for the year and got the regression equation with the historic data for drilling footage of eight years and the consuming quantity of oilwell cement by the method of linear regression, and it has very significance for the making of stock contract and the plan of concrete production, i have analyzed the physical distribution of oilwell cement by the transpotation flex and the advantage or disadvantage between direct distribution and distribution to store in this artical, and i have tried to find the balance point of the two distribution ways by the ecnomic analysis and pointd out the conception of economic semidiameter, and come to the conclusion of direct distribution, distribution to store, and subarea of distribution to store at last

    本文對油井水泥供應商在品牌號召力、水泥成本、供應保障能力等方面進行了詳盡分析，並對供應商進行了能力排序;用線性回歸方法從八年鉆井進尺與油井水泥消耗量的歷史數據推算了當年度油井水泥需求量，得出了回歸方程，這對于油井水泥采購合同的制訂、水泥供應商生產計劃的制訂具有相當重要的意義;從運輸彈性分析出發對油井水泥物流配送進行了研究，對直達配送、入庫配送的優缺點進行了詳細的分析，在經濟分析的基礎上力求找到兩種配送方式的均衡點，並提出了經濟半徑的概念，得出了直達配送、入庫配送、入庫分區距離等幾項結論。
  6. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd ： yag激光器的發展狀況、主要特性及其應用，從四能級速率方程出發，推導了ld泵浦nd ： yag激光器的閾值、輸出功率和斜效率的表達式，並簡述了激光器的工作原理、結構型式和倍頻方法；其次，以空間相關的速率方程為基礎，提出了ld端面泵浦nd ： yag激光器的設計方法，給出了一定泵浦耦合方式下，振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據，以此為依據，設計了自聚焦透鏡耦合小功率ld泵浦nd ： yag激光器和透鏡組耦合高功率ld泵浦nd ： yag激光器，對激光器的輸出功率和功率穩定性等特性進行了實驗研究；再次，在帶尾纖輸出的高功率ld泵浦nd ： yag激光腔內插入一隻空液晶盒，觀察到了激光器以單縱模運轉；最後，根據泵浦光焦斑端面位置對激光輸出功率的影響規律，提出了ld端面泵浦nd ： yag激光位移傳感新方法，並進行了理論和實驗研究，研究結果表明：當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時，激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律，測量范圍和靈敏度依賴于泵浦功率，隨著泵浦功率的增加，測量范圍擴大，靈敏度提高，當端面泵浦功率為7 . 24w （最大輸出功率為1 . 926w ）時，激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  7. ( 4 ) through the hydraulic property experiment of micro - hole lateral pipes of simple sdi in air, it was found that the average pressure of 60 mitre length lateral pipes was at the position of per 40o / o ~ ~ ~ 50 % of the effectual pipe length from the fist micro - hole, major pressure - loss was occurred at the ahead part of half pipe. the pressure uniformity reduced with orifice aperture ? increasing, and the relationship between pressure uniformity and initial water pressure was poor. running under the initial water pressure of 1. 5 meter, the discharge uniformity reduced with orifice aperture ? increasing, and when the orifice aperture smaller than or equal 1. 0mm, irrigation uniformity could achieve above 0. 6

    （ 3 ）通過對空氣介質中簡易地下滴灌的微孔毛管試驗研究發現： 60m管長的毛管平均壓力水頭的位置基本上在距第一孔口的有效管長40 - 45的地方；大部分水頭損失發生在毛管的前半部分；壓力均勻度隨孔徑的增大而減小，但與初始工作水頭關系不密切；在1 . 5m以下的工作壓力下運行，沿程出流均勻度隨孔徑的增大而降低，當孔徑不大於1 . 0mm時，灌水均勻度可以達到60以上；當孔徑大於等於1 . 2mm時，灌水均勻度低於50 。
  8. In connection with the difference and distribution characteristic of the samples in sample space rs based on dga, a new self - adapted weight fuzzy omean clustering model of fault diagnosis of the power transformer based on the potential function is proposed. meanwhile, from the aspect of geometry characteristic of fc - divided in s dimension sample space, a method is proposed for the purpose of getting an effective adjacent radius, adaptive cluster number c and original cluster center of x sample set. for the diagnosis sample x, the property measure and diagnosis rule are proposed, which under the condition of potential density function that determine c number of optimal fuzzy cluster p1

    根據以變壓器dga數據為特徵量的樣本空間各樣本差異特性以及樣本在空間r ~ s的分佈特性，首次提出了基於勢函數自適應加權的變壓器絕緣故障診斷的模糊c -均值聚類模型；同時，從s維樣本空間的f ~ c -劃分幾何特性出發，提出了一種求取樣本集的類勢有效鄰域半徑和自適應求取聚類數和聚類中心初值的方法；對一個待診斷樣本，設計了基於類勢密度函數意義下的屬性測度和診斷準則。
  9. In this paper the ground state structure of the four - hypemucluei ^ he > " be * be and a c are studied by applying a5 / fe structure model and few - body theory method and compared with the results of the shell model and the a cluster model from the ground binding energy and r. m. s distances

    我們用a ， he結構模型和少體理論方法從基態結合能和集團間的方均根半徑出發研究了aa6he 、 a9be 、 a ? be和? c這四個超核的基態結構，並與文獻中用殼模型和集團模型的計算結果作了比較。
  10. The centres of the red, blue and grey circles are the forecast positions of the tropical cyclone at different times ( as shown at the upper left corner of the figure ). the radii of the circles are the respective average forecast errors

    紅色、藍色及灰色圈的中心表示該熱帶氣旋在不同時間的預測位置（時間顯示在圖左上方） ，半徑為相應預測位置的平均誤差。
  11. The quantitative relation of both the p - wave particle displacement proportion to charge and the root mean square of amplitude proportion to the 3 / 2 root of cavity radius was obtained, then the elongated charge, and the vertical delay stacked source, and the concentrating energy source, and the detonating seismic hammer, and opposite collision source were developed

    本文基於球腔震源的縱波位移方程、激發子波的振幅及頻率與藥量的關系等理論基礎，總結了縱波質點位移與藥量成正比、振幅譜均方根與空穴半徑的3 2次方成正比的定量關系。
  12. In allusion to the present situation of spatial structure of dunhuang circle and the fact of tourism development, the study is on spatial structure optimization and puts forward optimizing mode on the developing tenet of sustainability the thesis includes six chapters, among which the third chapter, fourth chapter and fifth chapter are the major body. in the foreword, it expounds the background, foundation, purpose, meaning and adoptive technical courses of the selecting thesis ' s topic. in the first chapter, it summarizes main theories of tourism spatial structure and the present researches of tourism circle from study of theory and demonstration

    引言部分主要闡述了論文選題的背景、依據、目的和意義以及擬採用的技術路線；第一章總結了旅遊空間結構當前的主要理論，綜合論述了當前旅遊空間結構的研究進展，對旅遊圈的研究現狀從理論研究和實證研究兩個方面進行了概述；第二章介紹了敦煌旅遊圈的總體概況，分析了構建敦煌旅遊圈的動力因素和制約因素；第三章採取層次分析法和模糊聚類法對敦煌旅遊圈內旅遊資源進行了分析評價；第四章採用客源平均中心點、客源吸引半徑、地理集中度指數等方法對敦煌旅遊圈客源市場進行了分析評價；第五章在前幾章分析評價的基礎上，分析了敦煌旅遊圈的空間結構，提出了敦煌旅遊圈的空間優化模式，並提出了敦煌旅遊圈的發展原則及具體措施。
  13. Moreover, the diffraction peak shifts toward high angle as sr content increases. it is ascribed to the substitution of la3 + by sr2 + in lscf increases the average radius of a ions and causes a charge imbalance

    且隨著sr含量的增加，衍射峰值向高角度方向稍有偏移，這是由於低價sr ~ _ （ 2 + ）取代高價la ~ （ 3 + ）增加了a位離子的平均半徑，同時引起電荷不平衡。
  14. This increases the accuracy for interpretation greatly. due to 5 / 6 wells are slant holes in developing cluster wellgroup, environmental corrections are made to acoustic logging data of deflecting wells. through synthesis seismic records, quasi - velocity is calculated and seismic calibration of deflecting data is carried out

    對埕島油田館上段儲層微觀非均質從主要孔隙類型、孔喉分佈、孔隙與滲透率分佈、孔隙半徑的大小、孔喉比、孔喉配位數和面孔率等方面進行了定量評價。
  15. At the same time, in order to increase the gain of the radiation aperture, a new way to enlarge the waveguide radius is presented. and a gigawatt level of averaged output power with quasi - single tmoi mode is obtained at 3. 9ghz under the diode voltage of 550kv and the beam current of 23ka

    同時，為增大輻射口增益，提出了一種增大波導管半徑的方法，並且在二極體電壓為550kv 、束流為23ka的條件下，模擬獲得了平均功率達gw量級，頻率為3 . 9ghz的準tm _ （ 01 ）模式的微波輸出。
  16. Second method only use longitude - latitude orientation average radius distribution feature, l1 distance function and indirect searching database. in third method, 3d model is equally divided into 16 parts in z axis orientation firstly

    第二種檢索技術提取經緯方向平均半徑分佈作為特徵向量，相似度計算使用l _ 1距離，直接檢索特徵數據庫。
  17. There are two features used in first method : area distribution of 3d model surface and latitude orientation average radius distribution. quadratic form distance function has been applied to calculate the similarity of two feature vectors and two passes are needed to search database in first method

    第一種檢索技術使用了兩個特徵：面積分佈和緯度方向平均半徑分佈，在相似度計算使用了二次方程式距離計算公式，數據庫檢索採用了分步檢索方法。
  18. With the calculation result we can find that the inhomogeneous takes much less effects on the result with small core - radius ratio than that with great core - radius ratio and the small core - radius ratio ' s effect can be ignored, thus the calculation is same as homogeneous plate. the plate with great core - radius ratio should be calculated referenced the means given in this thesis

    計算結果表明，在過渡區域很小的情況下，不均勻性對圓板計算結果的影響也很小，基本上可以忽略不計，按照均勻圓板計算；當過渡區域和半徑相比較大的情況下，不均勻性對計算結果的影響變得非常明顯，此時，工程上的設計計算應該參考本文提出的方法進行。
  19. The result shows that the halo intensity factor becomes zero after it is controlled, other statistical physical quantities, such as r ( subscript ms ) and p ^ 2 and related average emittances are obviously reduced

    結果表明，加控制后束暈強度因子變為零，束均方根半徑、束橫向動量平方和的平均值和束橫向平均發射度比控制前都明顯減小。
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