矩形系數 的英文怎麼說

中文拼音 [xíngshǔ]
矩形系數 英文
square 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
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 數副詞(屢次) frequently; repeatedly
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. The relationships between the number of diffraction order and grating pitch, refractive index of medium, light wavelength, incidence angle and azimuth angle are investigated

    討論了入射角、入射方位角、入射光波長、光柵柵距、介質折射率與光柵衍射級次目間的關
  2. As the single rectangular coil is the routine induction probe, the system is simulated based on the theory of a - v - a. the perfect induction field is studied. the corresponding relations between the slots and the field are also analyzed, as well as the measurement scale is given here

    )描述下交變磁場測量技術單線圈激勵式下的值模擬模型,從場量檢測的角度出發,分析了無缺陷情況下該統的電磁場分佈特性,以及有缺陷情況下缺陷與場分佈的對應關以及缺陷檢測的值范圍。
  3. 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,網路中鏈路總的期望值,網路中節點度分佈情況,以及網路連通性與無線信號傳輸半徑的關等,得出了其解析描述。
  4. According to theory of bent structure, the paper applies the moment balance and potential energy theory, and works out the modified modulus 1 and 2 for the depth of burying foundation and toft transmutation, which effect buildings dynamic period

    根據排架結構分析理論,應用力平衡及勢能原理分別推導出地基變及基礎埋深對結構自振周期的修正_ 1和_ 2 。
  5. In this thesis, studies are focused on as follows : ( 1 ) based on analyzing the general transfer - matrix, the conception of the generalized double layer soil model is proposed, and the transfer - matrix ( r ) of half - infinite elastic mass is introduce - d to the analytic expressions of stress and settlement under the uniform circular, rectangular and strip vertical loads in multi - layered soil ; ( 2 ) according to the analytic expressions of the additional stress and settlement under unifo - rm circular in multi - layered soil, rectangular and strip vertical loads, the programs are develop - ed to resolve and debugged. the results show that the programs are correct ; ( 3 ) through calculating the coefficient of additional stress on the central axis of uniform circ - ular vertical loads, under the corner point of the uniform rectangular vertical loads, and on the central axis of uniform strip vertical loads, and the settlement on the center of uniform circular vertical loads and uniform rectangular loads in double - layered soil, the characters of stress and settlement are discussed ; ( 4 ) a case, as an example, is studied with different calculation methods, such as traditional theory, fem. the results obtained are compared

    本文在已有研究成果的基礎上進一步開展了以下幾方面的研究: ( 1 )在對層狀地基傳遞陣法中的總傳遞陣分析的基礎上,提出了廣義雙層地基模型的概念,並把半無限體的傳遞陣r引入到多層地基在圓垂直均布荷載、垂直均布荷載及條垂直均布荷載作用下附加應力與沉降的解析式中; ( 2 )根據多層地基在圓荷載、垂直均布荷載及條垂直均布荷載作用下附加應力與沉降的解析式,編制了程序,調試通過並驗證了其正確性; ( 3 )通過對雙層地基圓垂直均布荷載中心軸線上的附加應力和荷載中心沉降,垂直均布荷載角點下的附加應力和荷載角點沉降及條垂直均布荷載中心軸線上的附加應力進行的計算,探討了雙層地基中的附加應力與沉降特性; ( 4 )應用本文的層狀地基體理論對一個工程實例進行了計算分析,並與傳統的計算方法的計算結果和有限單元方法的計算結果進行了對比分析,結果表明利用層狀地基理論計算更能反映地基中附加應力分佈的實際情況。
  6. We make the following assumption for when 2 is positive definite matrix, different estimators about matrix of regression coefficients and inefficiency of least squares estimate have been discussed in many documents. considered 2 is nonnegative definite matrix, this thesis derives best linear unbiased estimate of parameter matrix b and estimable parameter function kbl under the meaning of matrix nonnegative definite and the property of maximum probability of blue is investigated. next, we discuss some necessary and sufficient conditions of the equality of the lse and blue, then we derive the estimation of the deviation bet - ween the least squares and the best linear unbias estimators of the mean matrix, meanwhile a relative efficiency of lse ofb is proposed and its bound is given

    當0時,眾多文獻討論了回歸陣的各種估計及lse的有效性,本文考慮了當0的情,給出了回歸陣b及其可估參kbl的在陣非負定意義下的最優估計( blue ) ,研究了它的一個最大概率性質,並且討論了最小二乘估計成為最佳線性無偏估計的充分必要條件,在此基礎上給出了均值陣的最小二乘估計與blue的偏差估計,定義了lse相對于blue的一個相對效率,並給出了它的界。
  7. This paper proposes a handoff algorithm using dual - window measurements in cellular mobile communication system. the proposed algorithm can provide a suitable balance of probability and delay of handoff. an analysis model of this algorithm is given in this paper. the proposed algorithm is especially fitted to the situation which mobile station needs to measure the signal strength from many base stations

    本文提出了一種新的蜂窩移動通信統越區切換測量演算法,該演算法採用了兩個長度不同的測量窗口,有利於在切換時延和切換平均次這對矛盾之間取得更為有效的平衡,特別適用於需要對多個基站進行切換測量的情況.同時本文給出了基於窗口的雙窗口切換測量演算法學分析模型,及值分析結果
  8. In this paper, the following work has been done : 1 the load - bearing capacity of l, t and + - shaped columns under axial compression and biaxial bending is calculated by a numerical integral program

    本文主要進行了如下工作: 1對l 、 t 、十柱雙偏壓作用下正截面承載力進行計算,編制了值積分程序,並對l 、 t 、十柱偏心增大進行計算分析。
  9. Through ( multi - level ) bordered block partition of the power system topology matrix, a bbdf coefficient matrix which is suitable for above decomposition is formed. when the equation is solved with parallel iterative method, convergence acceleration is achieved through damping newton method

    通過採用(多重)對角加邊的方法進行電力網路拓撲分割,以成適合以上分解法求解的對角加邊式的陣,并行求解后並對迭代過程進行阻尼牛頓法修正,以達到加速收斂的作用。
  10. Hard alloy die is made y taking high - quality hard alloy as its nips and fastening with steel die case. it is characterized by high hardness, good thermal conductivity, brasive coefficient and strong resistant to corrosion. it is suitable for drawn metal wire, bar and pipes. the types of dies includes rectangle, hecagon, octagon, diamond, trapezoid, basin and knob, u - shaped and half round types

    硬質合金模具採用優質合金作模芯,並用鋼質模套緊固,具有硬度高,導熱性能好,磨擦小,抗腐蝕性等特點,適用於拉制金屬線材,棒材,管材等,另外,模具的類型有型、六角型、八角型、菱型、梯型、凹型凸型、馬蹄型、半圓型等各種異模。
  11. The comparison of results with existing solutions to minimize the influential factors of bearing capacity as well as the reduction factors of the bearing capacity of rectangular footings near excavations were given finally

    最後將計算結果與已有文獻資料進行了分析比較,並以地面水平時基礎地基承載力為基準,得到臨近基坑淺基礎地基承載力減損因上界估算值。
  12. The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade

    葉片內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題,本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上,建立了三維、可壓縮紊流的物理模型,得到了通用的求解辦法;利用不帶擾流片的直通道、帶順排擾流片直通道、帶叉排擾流片、帶傾斜擾流片的直通道的幾何模型,計算了冷卻空氣通過這幾種通道時的流動與換熱情況,得到了各種不同情況下計算區域的溫度場、壓力場、速度場;在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響,並整理得到了各種通道式下,努謝爾和阻力因子與雷諾的函;本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果,通過與光滑直通道、帶針肋通道的冷卻效果的比較,表明了這種新型鮚構的優勢,對于葉片內部通道冷卻結構的設計可以起到指導的作用。
  13. Considering the stiffened plate as a composite system of grillage beams and slab, the superstructure as an equivalent rigidity plate, a semi - analytical and semi - numerical method, which makes use of compatible analysis of force and displacement among beams and slabs and columns and ground, is developed to analyze interaction between stiffened raft foundation and subsoil considering the rigidity of superstructure

    摘要將彈性地基上的梁板式筏基視為十字交叉梁與平板組合體,上部結構剛度簡化為等效剛度板,採用半值、半解析方法,通過梁、板、柱以及地基之間力與位移平衡協調分析,可得到考慮上部結構剛度時梁板式筏基寫地基共同作用的半值、平解析解。
  14. The diffraction efficiency changing with grating parameters, especially for the situation that gaussian beams diffracted by finite grating, is numerically studied. 3

    對單色平面波和有限尺寸高斯光束入射光柵時的衍射效率與光柵柵距、槽深、開口比和入射角等參的關進行了模擬計算。
  15. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上,以旋轉正交曲線坐標統下的多參旋轉螺旋管道中的對流傳熱為物理模型,通過攝動方法和有限體積法,首次對各種截面(圓截面、橢圓截面、環截面、截面)旋轉曲線管道內充分發展流動的流動結構和傳熱特性(包括耦合對流傳熱特性)以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了統的值模擬和理論分析,詳細討論了各種無量綱參對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦比以及管道nusselt的影響,獲得了若干創新性成果。
  16. To meet the bandwidth requirements, a two - layer electromagnetically coupled rectangular microstrip antenna was introduced to the system. the influence of the inset position and the air thickness between the two layers on the impedance, resonant frequency, as well as the bandwidth was investigated

    為使天線達到統要求,本文設計了兩層電磁耦合微帶天線,分析了影響天線性能的微帶饋線插入深度,微帶饋線與貼片間距以及空氣層厚度這三個參
  17. The probability nature of curvature ductility factor of rectangular reinforced concrete columns with rectangular hoops was analyzed

    分析了受箍筋約束的截面柱曲率延性的概率特性。
  18. ( 2 ). according to the system indices and requirements together with the technology characteristic, it researches the capture possibility of apt capturing system. then it introduces the common scan methods, such as raster, spiral, raster spiral, rose and lissajo. ( 3 ). it makes a detailed simulation analysis of the raster and spiral scan, analyze the connection between capture probability, capture time, system index at different capture resolution angle, capture range, vibration angle extent and terminal location distributing mean square deviation

    其中對幾個關鍵部分進行了詳細分析:計算了目標角反射器的激光雷達散射截面( lrcs )值,研究了qd與ccd對目標位置角度的計算方法和空間解析度; ( 2 )根據統指標和要求並結合現有國內技術特點研究了apt捕獲統掃描的捕獲概率問題,然後分析了幾種常見的掃描方式:( raster )掃描、螺旋( spiral )掃描,螺旋( rasterspiral )掃描,玫瑰( rose )掃描以及李薩如( lissajo )掃描; ( 3 )對分行掃描和螺旋掃描進行了詳細的模擬分析,分析了它們在不同捕獲分辨角、捕獲范圍、振動角振幅和終端位置分佈均方差時的捕獲概率、捕獲時間與統常之間的關
  19. Finally, based on the approximation capability of gengeralized multilinear fuzzy logic systems ( gmfls ), a new scheme of decentralized adaptive fuzzy controllers for a class of multiple - input - multiple - output nonlinear systems with a triangular matrix function control structure is proposed

    最後針對一類具有下三角陣函控制增益的多變量非線性統,並利用廣義多線性模糊邏輯統的逼近能力,提出了一種分散自適應模糊控制器設計的新方案。
  20. And designed a program used by this method to design a filter. the result complies with the analytic result. at the end of this paper, according to the project of airline broadcast, the author designd filter with high rectangular factor, five channelizing filter banks, saw programmable correlator implemented with multiplayer muti - chip technology, saw resonator

    本文的最後,結合某航空直擴傳電臺的工程要求,設計了高矩形系數的前置濾波器、聲表面波濾波器組、採用多晶元組裝厚膜工藝技術的聲表面波可編程相關器和聲表面波壓控振蕩器,完成了解調解擴單元的硬體設計。
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