矢量函數 的英文怎麼說

中文拼音 [shǐliánghánshǔ]
矢量函數 英文
phasor function
  • : Ⅰ名詞1. (箭) arrow 2. (尿) excrement; dung; feces 3. (姓氏) a surname Ⅱ動詞(發誓) vow; swear
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : 名詞1. [書面語] (匣; 封套) case; envelope 2. (信件) letter 3. (姓氏) a surname
  • : 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 divergence of a vector function is the scalar function.

    矢量函數的散度是一個標
  2. Irrotational and solenoidal split problem on a dyadic green ' s function of the field vector

    一類場的並格林無旋和無散分解問題
  3. 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格林
  4. 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階球諧的加法公式;以遞進的方式說明磁位、修正磁位與二階位的關系,寫出了引入二階位的過程;以時諧場邊值問題為例,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,引入了較球更普遍的兩類矢量函數,給出了其在球面上的正交關系。
  5. In the process of solving, poles are obtained from recurrent formula, modal vector are obtained from superposition formula not residuary. decoupled equation is derived when vibration source is part correlation, severely coupling appears in the process of input and output then frequency response function cannot directly get according to method mentioned above, decoupling is first problem

    當輸入完全相關時,頻響無解,可繞過頻響,直接運用線性系統的迭加原理來求響應,極點由遞歸公式得出,模態由疊加公式求出,而不是由留求得的相應的公式。
  6. According to the theory of light transmission, we derived the expression of rotation angle as a function of the dielectric constant conductivity of er fluid, and ( the angle between the electric vector of linearly polarized light and electric field ) from maxwell ' s equations and fresnel reflection, on the condition of several appropriate approximations and assumptions

    進而導出了非均相結構電流變液在外電場與光場交互作用下旋光角與(入射線偏振光振動方向與外加電場方向間夾角)及參(為外加電場e 、分散顆粒介電常、體積分、絕緣油介電常、位置( ? )等)的西北工業大學應用物理系碩士學位論文摘要理論表達式。
  7. This algorithm easily escapes from local optimal solution, have high searching efficiency, simple structure, convenient use. aiming at iteration, optimization and matlab optimization toolbox having low precision and difficulty to choose initial vector on acquiring nonlinear equations ’ solutions, equations ’ solution problem is translated into genetic algorithm optimization problem. nonlinear equations ’ usual genetic

    針對迭代法、最優法、 matlab最優化工具箱求解非線性方程組中存在求解精度不高及初始難選等問題,將方程組求解問題轉化為遺傳演算法優化問題,建立了非線性方程組通用的遺傳演算法解法,並將其用於汽車滑行試驗據處理中。
  8. When the accelerating time of frequency is equal to zero, this paper discusses the gain of inventer - induction motor under the vector controlled and non - vect or c ontrolled. at the same time, this paper discusses it while the time of slope is no t zero. the m othod of the slippery and difference is introduced in this papaer for designing the system contained inv - m

    討論了頻率加速時間為零時,控制和非控制兩種情況的通用變頻器異步電動機的傳遞,同時也討論了斜坡給定時間不為零的通用變頻器異步電動機傳遞,介紹了滑差限定的方法,為設計含有inv - m的系統提高提供了理論依據
  9. Abstract : when the accelerating time of frequency is equal to zero, this paper discusses the gain of inventer - induction motor under the vector controlled and non - vect or c ontrolled. at the same time, this paper discusses it while the time of slope is no t zero. the m othod of the slippery and difference is introduced in this papaer for designing the system contained inv - m

    文摘:討論了頻率加速時間為零時,控制和非控制兩種情況的通用變頻器異步電動機的傳遞,同時也討論了斜坡給定時間不為零的通用變頻器異步電動機傳遞,介紹了滑差限定的方法,為設計含有inv - m的系統提高提供了理論依據
  10. Based on the propagation law of the cross - spectral density function in the space - frequency domain, the properties of polychromatic vector gsm beams through a paraxial optical abcd system are studied. the analytical propagation expressions for the cross - spectral density matrix of vector gsm beams passing through a paraxial optical abcd system are derived, which permits us to study the propagation properties of vector gsm beams, including the propagation - induced polarization changes, effect of the spectrum bandwidth and irradiance distributions in a unique way. there are some applications of the theoretical results

    基於空間一頻率域中交叉譜密度的傳輸理論,研究了多色gsm光束通過abcd光學系統傳輸時偏振特性的變化規律,首次推出了高斯一謝爾模刑fgsm )光束通過近軸abcd光學系統交叉譜密度矩陣的傳輸公式,並對gsm光束傳輸中偏振的變化、譜寬的影響和強度的分佈等進行了統一研究。
  11. Based on the extended boundary condition method and addition theorem of vector spherical functions, this paper study the light scattering problems of aggregate spheres from the angles of a single sphere, two - sphere system and multi - spheres system

    本文基於擴展邊界條件法及球諧的加法定理,通過嚴格求解maxwell方程所得到的散射傳輸矩陣,對與入射波波長可比擬的群聚球形粒子的散射問題進行了研究。
  12. During the calculation of crystallography, we always need to make some calculation such as vector length, angle between vectors or planes etc. this is a group of scilab functions which can make some common calculation

    晶體學計算過程中經常需要計算長度、夾角等。此scilab工具箱提供了一組適用於任何晶體結構的,可以在輸入晶格常的前提下,計算一些常用的晶體學據。
  13. Using the vector potential, the expression for calculating inductance of air - cored solenoid coil is derived in the dissertation. and the calculating methods of function t in the calculating expression are given for the convenience of the calculation of inductance while the precision is not strictly requested

    利用磁位a直接推導出了通電空心圓柱線圈電感的計算表達式,給出了求解計算式中t的計算方法,以方便精度要求不高時的電感計算。
  14. Meanwhile, advantages of the least calculation workload, the simple process, and the convenient for implementation are brought while switch states are described as space vectors in the - coordination system

    利用-平面內的空間描述開關組合狀態,使得誤差的計算工作小、過程簡單,易於實現。
  15. In the paper, based on the method of low pair replacing with high pair, the problem of cam design was transferred to that of linkage design. by means of rotary unit vectors, the equations of displacement, velocity and acceleration of the replacement mechanisms were developed. and then, the virtual linkage ' s length and direction were deduced

    論文基於高副低代原理,將平面凸輪機構設計與再現的平面連桿機構設計統一為同一種方法,運用圓向建立代換機構的位移、速度、加速度方程式,求取虛擬連桿桿長和方向,由此展開凸輪理論廓線、實際廓線、曲率半徑和壓力角的求解,並得出用圓形刀具加工凸輪時刀具中心的軌跡方程。
  16. To machine the honeycomb sandwich, an interpolation method based on a rotary axis is also studied. with the round vector function and rotary movement group, a model of the error curved surface of the theoretical ellipsoid is set up to describe the actually measured surface

    以圓矢量函數和回轉運動群為工具討論了曲面的誤差變換,利用理論橢球面的誤差曲面建立了實測曲面的學模型,通過求解理論曲面的法線實現了實測曲面的等距計算和陰陽面據轉換。
  17. In order to apply the central scheme to higher mach number flows, the sensor about pressure or temperature are modified with some tvd - like properties. modification to van leer scheme about the energy component can preserve a constant total enthalpy in the steady flows

    對vanleer格式中的能分裂式進行改進,使其在定常流動中總焓守恆;採用統一的通矢量函數,最大程度地實現了流場程序向化,計算效率得以提高。
  18. In tracking section, we still adopt the snake to converge on the object contour by improving the energy functions, in the tracking frame, initial points are acquired by calculating the average inter - frame motion vector of the block, because all snaxels have approximately the same motion vector as the moving object is proposed to be rigid and have no salient deformation

    跟蹤部分:根據剛體運動的特點(運動區域具有一致性和不發生較大的形變)求出運動目標的平均位移,與在分割部分求出的目標的輪廓點的位置相加,作為下一幀跟蹤的初始輪廓點,結合改進的snake能使其更精確地收斂到運動目標輪廓上,達到準確跟蹤的效果。
  19. Aimed at static image retrieval based on color, a multimedia image database which included three layers was designed and the search algorithm of the correlation and polymerization histogram was used in the article. to show color characteristic of image, the method of the hsb ( hue, saturation, brightness ) color space, which is suitable to the visual characteristic of human, is utilized. taking advance of human ' s feeling to color, it quantifies color sector with unequal interval, and get characteristic vector

    針對基於顏色的靜態圖像檢索,本文設計了一個三層的多媒體圖像據庫,選用基於相關聚合直方圖的演算法,採用符合人類視覺特徵的hsb顏色空間來表示圖像的顏色特徵,利用人對顏色的感知來對顏色分進行非等間隔的化並形成特徵,用距離度進行圖像的相似性匹配。
  20. A distinguishable faults test generation method for digital circuits is presented. the features of basic gate circuits and neural networks are used to establish the test model, and to generate the test patterns for given faults. the fault model and constrained circuit are studied. some strategies, e. g, the reduction of the size of neural network, are proposed in order to accelerate test generation process. the experimental results demonstrate that the algorithm proposed in the paper is effective

    研究一種基於人工神經網路的能區分故障的字電路測試生成方法,該方法利用電路基本邏輯門的特性和神經網路模型的特點,首先建立測試生成的神經網路模型,然後通過求解網路能的最小值點獲得給定類型故障的測試,其研究結果在可區分故障的測試生成方面提供了一種可能的新途徑
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