表達式矩陣 的英文怎麼說
中文拼音 [biǎodáshìjǔzhèn]
表達式矩陣
英文
presentational matrix- 表 : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
- 達 : Ⅰ動詞1 (暢通) extend 2 (達到) reach; attain; amount to 3 (通曉; 明白) understand thoroughly...
- 式 : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
- 矩 : 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
- 陣 : Ⅰ名詞1 (作戰隊伍的行列或組合方式) battle array [formation]: 布陣 deploy the troops in battle fo...
- 表達 : deliver; express; show; voice; convey; communicate
- 矩陣 : [數學] matrix; array
-
The equations of motion governing the axisymmetric elastic deformation of finite orthotropic cylindrical shells, involving the effect of transverse shear and rotational inertia, are derived. by applying the reverberation method, the displacement and the resultant forces of the shell in the phase space are expressed. then the transient waves in the finite orthotropic cylindrical shell subjected to the axisymmetric impact are obtained by using inverse laplace transforms. furthermore, the transient solutions are decomposed to the generalized ray integrals and computed numerically
分析了計及剪切變形和轉動慣性的有限長正交異性圓柱殼中彈性瞬態波的傳播問題,採用回傳矩陣法,在相空間中給出了位移和內力的表達式。再利用laplace逆變換,得到正交異性圓柱殼受軸對稱沖擊作用時彈性瞬態波解,然後將其分解為若干廣義射線積分之和,並用數值方法求解之。Based upon virtual displacement method and the updated - lagrangian approach, stiffness matrices for two - dimensional elastic - plastic beam model in large displacement were proposed, in the derivation of which transverse stress was included because it was believed that part of the 2nd order effects of various stresses, which are in equilibrium with each other and with the external loads, will counteract each other and neglecting either part would possibly lead to incorrect results
利用虛位移原理和更新的拉格朗日方法,導出了大位移彈塑性梁單元剛度矩陣的顯式表達式,在剛度矩陣推導中引入了截面內非線性剪應力和橫向應力的影響,剛度矩陣通過了剛體檢驗。之所以要引入橫向應力的影響,是因為本文認為,保持平衡所需的所有應力,它們各自的二階效應會相互抵消,因此忽略其中的任何一項都可能導致不正確的結果。The least - squares solutions of the inverse problem of anti - centrosymmetric matrices is discussed, and the expression of the solution is obtained
摘要討論反中心對稱矩陣反問題的最小二乘解,得到?解的具體表達式。The necessary and sufficient condition for centrosymmetric solution of matrix equation was presented and general solutions were obtained. the optimal approximation solution to a given matrix was provided in the solution set
先討論一類矩陣方程存在中心對稱解的充分必要條件,給出解的一般表達式,並在解集合中給出了與給定矩陣的最佳逼近解。In addition, the problem of using anti - centrosymmetric matrices to construct the optimal approximation to a given matrix is discussed, the necessary and sufficient conditions about the problem are derived, and the expression of the solution is provided
並討論了用反中心對稱矩陣構造給定矩陣的最佳逼近問題,給出了該問題有解的充要條件和解的表達式。With those above, an essential explanation to the simplicity of the representation of rijndael s - box is given, and a direct proof to the equivalence between any two coordinate functions of rijndael s - box is provided, with the equivalence described by only one matrix of order eight over gf ( 28 ). 5
利用這三種方法計算出的域元素分量表達式,解釋了rijndael演算法s盒代數表達式復雜度低的本質原因;給出rijndael演算法s盒分量函數間等價關系的一種直接的證明方法,並用一個八階gf ( 2 ~ 8 )矩陣完全刻劃這種等價關系。A simple method of calculating the matrix elements of hamiltonian operator
哈密頓算符矩陣元的一種簡單表達式Based on the above theory and methods, the main works of this thesis are lasted as follows : starting from the propagation law of partial coherent light and beam coherence - polarization ( bcp ) matrix approach, the properties of pgsm beams through both an axis - symmetric paraxial optical abcd system and an axis - unsymmetric one are studied. the analytical propagation equations of pgsm beams are derived, which enable us to study the propagation - induced polarization changes and irradiance distributions of pgsm beams through an axis - symmetric paraxial optical abcd system and an axis - unsymmetric one
在此基礎上,本文進行的主要工作有:基於空間-時間域中互強度的傳輸理論和bcp矩陣處理方法,首次研究了pgsm光束通過對稱和非對稱abcd光學系統和光闌的傳輸變換特性,推導出了pgsm光束傳輸表達式,可以對pgsm光束偏振和光強的傳輸變化進行分析。Firstly by virtue of matrix differential algorithm to find the error expression of platform and than let the maximum error to be acted as the objective function, besides the parametric errors of each structure, position and posture of the platform were being arranged into the optimized variables as well
首先藉助矩陣微分法求出平臺誤差表達式,將最大誤差作為優化目標函數,除了各結構參數誤差外,還將平臺的位置和姿態列入優化變量。Firstly, the paper introduces briefly the detecting principle of microwave radiometer and the scheme of lunar microwave radiometer. based on propagation matrix, an algorithm to get reflectivity of layered medium is brought in. by means of the method, the reflectivity expression of two - layer medium is obtained
本文首先簡要介紹了微波輻射計的探測原理及月球探測衛星微波輻射計的設計方案,還介紹了利用傳播矩陣計算分層媒質的反射率的方法,並給出雙層媒質的反射率表達式,分析了雙層媒質的反射率隨觀測角、頻率和第一層厚度的變化關系。Analyze the linear dipole array with uniform element spacing using the method of moments ( mom ), derive the analytical expression for the recovered signal with the direct data domain method, demonstrate the effect of the mutual coupling on the performance of the antenna array by examples, the degradation of the system caused by the mutual coupling is simulated and analyzed in two different electromagnetic environments such as the weak and strong interference
用矩量法計算了幾個信號同時照射時對稱陣子均勻直線陣的電流分佈,用直接數據域演算法推導了此接收陣列的恢復期望信號的表達式,舉例說明了互耦對陣列天線性能的影響,數值模擬了在弱干擾和強干擾下,互耦造成系統性能下降的情況並分析了原因。The mutual coupling between elements is expressed in terms of the normalized impedance matrix of the uniform linear array, the concise expressions for the optimized weight of the lms algorithm and the signal - to - interference - plus - noise ratio are given. the effect of mutual coupling on the performance of the sinr is illustrated with two examples, a method for compensating the mutual coupling is present, the compensation effect of this method is verified by example
用譜分析法,把陣元問的互耦用陣列的歸一化阻抗矩陣來描述,推導了均勻線陣的最佳權矢量及信號干擾噪聲比的表達式,模擬計算了互耦對自適應天線陣列的信號干擾噪聲比的影響,給出了一種校正互耦的方法,數值模擬了校正的效果。A relation between the inverse elements is found, and a new algorithm for inverting a block tridiagonal matrix is established
當考慮該表達式的結構特徵時,可得到塊元素的遞推關系式,由此得到一個求逆矩陣的新演算法。Numeric - symbolic expressions of model matrix elements were derived, in which inertia parameters and lengths of links as well as generalized coordinates are expressed as symbols
將廣義坐標以及桿長和慣性參數作為符號量,導出了模型矩陣元素的數字元號表達式。A important result is the one - orde r expression of ar ( p ) yt = dyt - 1 + e, from paralleling a high - order differential equation transformation into a one - order differential equation system, the one - order expression exposes that the ar ( p ) is only a certain more - multivariable power series process and, if a process is described as an ar ( p ), the sufficient and necessary condition is the spectrum norm a of the coefficient matrix d less than one. simplification of ar ( p ) not only brings about orthogonal f ( h ) but also provides global foretelling formula
作者用高階微分方程化一階微分方程組的方法,獲得多元弱平穩序列p階自回歸模型的一步滑動平均表達式,證明了ar ( p )的是一個更高維的冪級數的線性過程,從而,說明了ar ( p )關于序列依概率成立的充要條件是:該模型更高維的冪級數的線性過程的表達式中系數矩陣d的譜范數1 。Periodic, quasi - periodic and chaotic motions show on alternately when the rotating speed is near to 2 / 3 0. combined step - by - step integral method with traditional transfer matrix method, an increment transfer matrix method is put forward. based on riccati method, the increment transfer matrix method is used in a multi - mass model
將逐步積分法與傳統傳遞矩陣法相結合,提出了增量傳遞矩陣法思想,文中相該方法應用於多段集中質量模型,並結合riccati法,推導了汽輪發電機組軸系彎扭耦合振動響應計算的矩陣表達式,並開發了一套較完善的汽輪發電機組彎扭耦合振動分析軟體。Based on the aerodynamics, control, structural dynamics model of smart rotor in frequency domain deduced and the determination for the number of neurons in hidden layer, the neuro - emulator using multiple independent miso neural networks with its deduced matrix expression for the smart rotor is set up. the rate of training is improved by introducing the orthogonal selection applying for smart rotor to the selection of training cases in neural modeling
試驗結果驗證了該方法的可行性,在建立了帶有主動控制后緣附翼的智能旋翼系統氣動-控制-結構動力學數學模型的基礎上,提出了適用於智能旋翼建模的多神經網路並聯型式的頻域模型,並推導出其矩陣表達式,探討了隱含層神經元數的確定方法。In this paper, we present the sufficient and necessary condition for the sum of a identity matrix and a generalized cyclic matrix is nonsingular, and obtain the formal representation of the relative gain array of the sum matrix
本文給出了單位矩陣與廣義循環矩陣的和矩陣的非奇異的充要條件,得到了這樣和矩陣的相對增益陣列的顯示表達式。Earthquake and wind ), because of the damping matrixes of the two structures " motion equations are both non - classical, the dynamic equation ca n ' t be decoupled by the traditional real - mode analysis ( the mode - superposition method ). though, in this thesis the complex - mode analysis is used to solve the stationary and non - stationary random earthquake response of structures and their analytic expressions are got. on the basis of these expressions, the optimal parameters of the two structures " isolation & seismic decrease equipment are analyzed
目前,基礎隔震結構、 「加層減震」 ( tmd減震)結構正逐步應用於工程實際,由於這兩種結構在動力荷載(如地震、風)作用下動力方程中的阻尼矩陣為非經典情形,傳統的實模態分析方法(振型分解法)不能使動力方程解耦,因此本文運用復模態分析方法求得了結構在平穩和非平穩隨機地震激勵下結構隨機地震響應的解析表達式,在此基礎上進行了基礎隔震和tmd減震裝置參數的優化分析。It is given that a simplistic proof for the solvability of total least squares problem, extending this idea for general total least squares problem, establishes a sufficient and necessary condition for solvability, proves the uniqueness of the amendment matrix and gives it s expression
給出了完全最小二乘問題可解性的一個簡潔證明,並將這一證明思想推廣到廣義完全最小二乘問題上,建立了它的可解性理論,內容包括廣義完全最小二乘問題可解的充分必要條件和校正矩陣的唯一性及其表達式。分享友人