場函數 的英文怎麼說

中文拼音 [chǎnghánshǔ]
場函數 英文
field functions
  • 場 : 場Ⅰ名詞1 （平坦的空地 多用來翻曬糧食 碾軋穀物） a level open space; threshing ground 2 [方言] （...
  • 函 : 名詞1. [書面語] （匣; 封套） case; envelope 2. （信件） letter 3. （姓氏） a surname
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
  1. The main contributions are as follows : ( 1 ) de ( differential evolution ) algorithm is proposed to invert the ocean acoustic parameters in shallow water in order to get faster and more accurate results than ga ( genetic algorithm ) and sa ( simulated annealing algorithm ). also a posteriori probability analysis method is applied to evaluate the uncertainty of inversion results. ( 2 ) maximum likelihood objective functions for broadband mfi are derived according to different conditions

    （ 2 ）根據不同的前提條件，採用似然比的方法推導了寬帶匹配場反演的最大似然目標函數；深入地研究了寬帶匹配場處理中的相干與非相干問題；在分析參數反演的敏感性之後，提出了淺海環境參數寬帶匹配場反演的多步優化策略，並與全參數反演方法進行了性能上的模擬比較。
  2. Effect of site condition on coherency function of ground motion

    場地條件對地震動相干函數的影響
  3. Numerical simulation of ground motion coherency function on engineering site

    工程場地地震動相干函數的數值模擬
  4. This dissertation can be divided into three parts as following : focusing on institutional risk control, this dissertation demonstrated the effect of institutional risk on dis " objects by analyzing the relationship between deposit insurance and financial development, financial stability and market discipline, in light of foreign or native primary theory and empirical results of dis. in virtue of statistical method and with the theory of game, this dissertation explored the cause the institutional risk such as moral risk and adverse selection, on the basis of which discussed the approach of controlling institutional risk and proper deposit insurance pattern. because deposit insurance assessment is the core of institutional risk control, this dissertation introduced and discussed deeply the passive casualty - insurance model, the option - pricing model, the game - theory - based pricing model, and reasonable pricing interval, and put forward the hierarchical pricing strategy of dis on the balance of information confiscatory and risk - based - assessment necessity

    本文以存款保險制度風險控制為中心，在借鑒國內外關于存款保險制度的基本理論和實證的基礎上，通過分析存款保險與金融發展、金融穩定和市場懲戒等方面的關系，論證了存款保險制度風險對存款保險制度目標的影響；並藉助統計學的方法，運用信息博弈論的觀點，從主要制度參與者? ?投保機構和存款保險機構? ?的效用函數出發，對存款保險所引發的道德風險和逆向選擇等制度風險的成因進行深入的剖析，探討有效控制制度風險的途徑和制度參數的安排模式；由於存款保險定價是制度風險管理的核心問題，本文還專門對意外存款保險消極模型、存款保險的期權定價模型、基於信息經濟學的存款保險定價模型以及合理定價區間等定價模式進行深入分析和詳細評述，闡述各種定價思路的局限性和可能運用的空間，通過權衡信息的充分性和風險定價的必要性，提出存款保險制度的層次性定價策略。
  5. They can simulate the temperature field of the 2 kw crosscurrent co2 laser, draw some relative function charts and display the laminas of cooling fans in three - dimensions

    分別模擬2kw橫流co _ 2激光器箱體溫度場的分佈情況、繪制若干相關的函數圖象和以三維圖象顯示風機葉輪的幾何形狀。
  6. This paper presented a new method which is usable when the base stations ' antennas are directional or omni - directional antennas by using a new objective function

    摘要採用新的目標函數提出能夠同時適用於定向天線和全向天線的場強定位演算法。
  7. Irrotational and solenoidal split problem on a dyadic green ' s function of the field vector

    一類場矢量的並矢格林函數無旋和無散分解問題
  8. Analyzing the physics structure of vorticity, divergence, vertical velocity, frontogenesis " function, apparent heat source and apparent moist sink etc. indicated the physics fields are favorable for the occurance of the heavy rain over changjiang - huaihe river basin where the physics values are well according to the heavy rainstorm positions ; the low level jet is closely subject to the moisture and the coupled system of the low and the upper level jetstreams induced the strongly " ascending motion ; the intensity of the frontogenesis varies with the development of the rainfall system and reacts the rainfall intensity

    主要分析了這次過程中的多種物理量，包括渦度、散度、垂直速度、鋒生函數、視熱源、視水汽匯等，對這一暴雨過程有了比較系統的認識。結果表明：在江淮流域存在著有利於發生暴雨的物理量場配置，渦度、散度、垂直速度等物理量，與暴雨的落區都很吻合的；低空急流的產生不僅有利於水汽的輸送，而且高低空急流的耦合造成了有利於強上升運動的配置；鋒生強度隨著降水系統的發展變化，並影響降水強度。
  9. In the first way, the coordinate become operaotrs acting on a hilbert space, which provides for a respresentation space of the noncommutative space, on the other hand, starting with the standard commutative gauge theory action and then reinterpreting any products of fields appearing in terms of the moyal product

    從而非對易空間的場量是運算元的函數。另一方面，我們可以從普通空間的規范理論的作用量出發，然後用moyal星乘積來代替普通空間的規范理論中場量的普通乘積。從而給出非對易空間規范理論的作用量。
  10. The continuity condition of displacements at the interface of elements is enforced by penalty function, of which the penalty number has geometrical meaning and can be determined according to the accuracy desired

    單元之間位移場的連續性要求是用罰函數來實現的，其中的罰數具有明確的幾何意義，並可按對解的精度要求預先估計出大小。
  11. Firstly, in spherical coordinate system, the sovp formulation for the time - harmonic electromagnetic fields of the current dipole in conductive infinite - space is derived, using reciprocity theorem and transforming relations between special functions. then, selecting appropriate coordinate system, using superposition principle, the boundary - value problem of modified magnetic vector potential on the problem of a time - harmonic current dipole in spherical conductor is solved and analytical solution is obtained. finally, by means of the addition formulas of legendre polynomial and spherical harmonics function of degree n and order 1, the analytical solution in spherical coordinate system specially located is transformed into that in spherical coordinate system arbitrarily located

    首先利用特殊函數間的轉化關系和互易定理推導得到了無限大導體空間中球坐標下時諧電流元電磁場的二階矢量位形式：然後利用疊加原理，選擇合適坐標系，求解了導體球中時諧電流元的修正磁矢量位邊值問題，得到了問題的解析解；最後依據不同坐標系下電磁場解的轉化原理，藉助勒讓德多項式和n次1階球諧函數的加法公式，將坐標系特殊安放時的電磁場解析解變換到坐標系一般安放時的解析解，給出了球內電場和球外磁場的並矢格林函數。
  12. The addition formula of spherical harmonics function of degree n and order 1 is derived using the relations between coordinate varieties after coordinate rotating and the property of the associated legendre polynomial. the relations among the magnetic vector potential, the modified magnetic vector potential and the second - order vector potential ( sovp ) are shown going forward one by one. it is explained that the solutions of electromagnetic fields in different coordinate systems can be transformed and an example having analytical solution is given

    利用坐標旋轉后球坐標變量間的關系和連帶勒讓德多項式的性質推導得到了n次1階球諧函數的加法公式；以遞進的方式說明磁矢量位、修正磁矢量位與二階矢量位的關系，寫出了引入二階矢量位的過程；以時諧場矢量邊值問題為例，闡明了不同坐標系下電磁場解的相互轉化原理，給出了一個解析解的轉化例子；在球坐標下，引入了較球矢量波函數更普遍的兩類矢量函數，給出了其在球面上的正交關系。
  13. On the bases of the galaxy evolution theory, we use the therotical chemical evolution model of three zone ( such as halo, thick disk and thin isk ) and multi - phase ( diffuse gas, molecular clouds, stars of both low and high mass, the remnants ). by comparing with the observational constraints, such assurface densities, age - metallicity relation, g - dwarf metallicity distribution in the solar neighbourhood and the correlation between [ a / fe ] and [ fe / h ], supernovae rates, infall rates. the rationality of the model is verified. based on the theory model, we calculate the abundance of neutron capture element

    本文正是在銀河系化學演化的基礎上，利用銀河系的三成分（ threezone ） （即暈、厚盤和薄盤）多相（ multi - phase ） （氣體，分子云，大、小質量恆星以及剩餘物質）的化學演化的理論模型，通過與觀測約束（質量面密度、場星的年齡-金屬豐度關系、太陽附近g矮星金屬含量分佈函數、三成份的特徵量、元素的星系化學演化、超新星的爆炸率、內落速率等）的比較，來檢驗模型的合理性。
  14. The method of wing shape optimization of space shutlle has been developed with penalty function approach in which the objective function is the mass of the wing and the constraints are the hypersonic re - entry flight cross range, lift / drag ratio, and subsonic flight lift / drag ratio, the margin of the longitudial static stability and the magnitude of the horizontal landing speed etc

    摘要介紹了在滿足高超音速再入橫向機動航程，高超音速再入飛行時的升阻比，亞音速進場飛行時的升阻比，縱向靜穩定性裕度和水平著陸速度等飛行性能設計要求下，用罰函數法尋求使航天飛機機翼質量為最小的外形優化方法並給出了算例。
  15. The box beam ' s temperature stress of longitudinal direction and transverse direction with different conformation are analyzed, it finds that there is largish temperature tensile stress in the bottom of top deck and the haunch of box beam increase temperature tensile stress in the bottom of top deck. the paper makes a study of different thermal effects resulted from several kinds of closed rigid frame

    根據大量實測溫度場結果建議採用一個有利於理論推導的指數函數的公式來擬和箱梁體內的溫差分佈，既貼近實測數值，計算又比較簡單；通過對空腹式剛架拱橋尤溪洲大橋所在地夏季、秋季、冬季的溫度場及溫度應力的實測，以及與本文所提出計算方法的理論解進行的分析比較，證實了本文計算方法的正確，同時改進了已往混凝土箱梁溫度自應力的計算方法。
  16. Then a new attractive force function and a new repulsive force function are deduced, which the robot can adjust its velocity to escape from obstacles, and move to target quickly, or track target synchronously

    在新的勢場函數作用下機器人能夠快速調整自身的速度大小和方向，使其快速脫離障礙物的威脅並能快速地到達目標或追蹤目標。
  17. Since the shape function of efm is constructed by moving least square method ( mls ), the continuity of field function is better than ever

    Efm方法採用移動最小二乘法（ movingleastsquaremethod ，簡稱： mls ）構造形狀函數，所得到的場函數連續性好，可以更加真實的反映場的實際分佈情況。
  18. The interpolating wavelet bases are constructed in order to deal with boundary conditions conveniently at first. then the wavelet bases of duality in product form are used to construct the generalized field functions of beam, plate and shell. the model of multivariable wavelet fem is built by hellingger - reissner and hu - washizu generalized variational principle

    首先構造了便於邊界條件處理的插值小波基，應用乘積型二元插值小波基來構造梁、板、殼的廣義變量場函數，通過二類、三類變量廣義變分原理建立了多變量小波有限元模型。
  19. 2. as for the structural analysis and numerical simulation of a complex problem with high gradient, an idea was proposed, i. e. if the displacement field could be constructed by using both bezier - based function and the mobile middle node ? according to this strategy, a new coupling method, called as bezier - based element method ( bbem, for short ), was proposed and studied in detail

    2 .就具有高梯度問題的復雜結構分析與數值模擬，提出了基於bezier函數來構造帶有移動節點的位移場函數的思路，研究並建立了基於bezier函數的移動節點單元法的基本原理，構建了常用的一維和二維bezier耦合單元和等參單元7種。
  20. This paper firstly analyses the limitations of traditional potential field methods in dynamic environment, and based on this analysis, the traditional potential field is improved by introducing the concept of velocity potential field

    摘要分析了傳統勢場法在動態環境下的不足，並在此基礎上引入了速度勢場的概念，改進了傳統的勢場函數，推導出新的引力函數和斥力函數。
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