集束線對 的英文怎麼說
中文拼音 [jíshùxiànduì]
集束線對
英文
bunched pairs-
Relative key concept and technique of this method was described in detail in this paper, such as the decomposition of balance matrix, the modes of self - stress, the modes of inextensional mechanisms, the analysis model of optimization under linear constrained condition, the integration of constrained matrix
文中對桁架理論的奇異值分解法、自應力模態、機構位移模態、有約束線性優化數學模型、約束矩陣集成等關鍵概念和技術進行了詳細的推導說明。When analyzing skew support continuous curved box girder bridge, curved grid girder analyzing method considering warping effect is applied. matrix displacement method is applied in analyzing skew support continuous curved thin - walled box girder bridge with restrained bearing. in order to convert original rigidity equations to structural rigidi ty equations that can be solved, bearing nodal displacement matrix can be introduced, then unknown quantities at the edge of beams can be consistent with the restrained directions of skew bearings, unit rigidity matrix and unit nodal forces can be gained. structural rigidity matrix can be composed according to matrix displacement method, so nodal displacements and inner forces on the end of the rod that are unknown can be gained calculating equations of inner forces on any cross - section can be solved
分析斜支承連續曲線箱梁橋時，採用考慮翹曲作用的曲線格子梁分析方法，應用矩陣位移法對具有約束支承形式的斜支承連續曲線薄壁箱梁橋進行分析，考慮到支座的約束條件並不與梁端彎曲角位移和扭轉角位移的方向一致，引入支座節點坐標矩陣，使得梁端的位移未知量與斜支座約束方向一致，來計算單元剛度矩陣和單元節點力，然後按照矩陣位移法組集總剛並建立結構剛度方程，根據結構剛度方程即可求解未知的節點位移及桿端力，推導出任意截面處的內力計算公式。In the light of the weakness of the traditional method, this thesis improves the point spread function ( psf ) of the imaging system. meanwhile, this thesis adds line process as a priori to set up several convex constraint sets
針對傳統凸集投影估計法的缺點，本文提出了改進的點擴散函數，同時利用圖像的先驗知識，提出了加入線過程作為凸約束。Based on polymerization reaction of the nylon - 6 rubberized cord fabric production of distributed control system in yangzhou organic chemical plant computer integrated manufacturing system ( yh - cims / dcs ), the multiple stepwise regression method was used to build the statistic mathematical models of the molecule weight and the monomer quantum of casting slice belt. then the optimization model of polymerization reaction was presented, which was solved by using simulation annealing algorithm to obtain the best techniques parameters. the improved hybrid genetic algorithm and back propagation algorithm are combined to train neural network, brought out the neural network prediction model of casting slice belt ' s average molecule weight to guide the technologist on - line
提出了流程工業生產過程操作優化策略和應用實施方法，包括生產過程離線優化策略、非線性問題求解策略、在線優化模型及學習策略；結合揚州有機化工廠計算機集成製造系統集散控制系統（ yh - cims dcs ）的實施，針對錦綸? 6浸膠南京理工大學博士學位論文摘要簾于布生產中己內酚胺聚合反應過程優化控制這一工程實際問題，採用統計建模方法，建立了聚合反應過程的優化模型；為求解所得的優化模型，提出了種改進的有約束條件下的模擬退火演算法，該演算法能避免陷於局部最優解，有效地提高了所求解的全局性和可靠性：提出了基於改進的ga演算法和sp演算法相結合的混合學習演算法，建立了基於神經網路的聚合反應過程生產目標在線預測模型，該演算法和模型滿足了生產中的實時性和實用性要求。In the paper, the transmission power of section constituted by the assigned branch is seen as objective function, assigning the adjustable generators both in sending system and receiving system, assigning the faults set, including the constraint conditions such as the differences between the angles of rotor and the inertia center angel of the whole system, the thermal stability of branch and node voltage, obtaining the results by using interior - point solution and line - predominant jordan
本文提出的考慮暫態穩定約束的可用輸電能力演算法是以指定線路組成的斷面的傳輸功率為目標函數，指定送端系統和受端系統中參考調節的發電機，指定故障集情況下，以發電機轉子相對全系統慣性中心的角度差、線路熱穩定、節點電壓等構成約束條件，採用內點法和行主元約當逐行消去法求解問題的最優解。With the trend that cdma will be the dominant multi - access scheme in the new generation of wireless communication, how to apply spatial processing in cdma system has been becoming the emphasis of research in smart antenna. a proper method is space - time processing due to the space - time structure of wireless channel. beamforming can be combined with rake to form 2d rake receiver, which can effectively weaken the enhancement of mai in conventional rake receiver. however a more effective method is to use space - time filtering. these two scheme will be discussed and the structure and realization will be presented
碼分多址技術逐漸成為新一代通信系統的主流多址技術，如何在碼分多址系統中引入空域處理以改善系統性能是當前智能天線技術研究的重點之一.考慮到無線通道的時空二維結構特徵，一種合理的實現方式是採用時空處理方法，將波束形成技術與時域分集技術相結合;另一種更有效的方法是在接收端採用時空二維聯合處理，對無線通道進行時空二維均衡This is a big complicated monitoring and control system, the article only discusses a part of the units, includes : the components of neutral beam injection and the requirements for monitoring and control system, the argumentation and selection of control scheme, the research of data acquisition system based on pci bus, the design and realization of hardware and software of dac, the means of concentrated data storage and management, the communication program design of subsystem under different mode and protocol. the last part gives some experiment system running data
這是一個大型復雜的監控系統，本文只就其中的幾個單元的設計與實現展開討論，主要內容包括：中性束注入裝置的組成及其對監控系統的要求，監控系統控制方案的論證和選擇，基於pci總線的小型數據採集系統的研製，多功能數據採集卡的硬體和軟體的設計與實現，集中式數據存儲與管理的方法及其實現，多功能子系統之間在不同通信方式、不同傳輸協議下的通信實現及其程序設計。Some important algorithms for nonlinear optimization problems are studied in this dissertation. the aim of this dissertation is to give some theoretical analysis. chapter 1 is the introduction of this dissertation, which introduces the variational inequality problem and the complementarity problem, the context of this dissertation and the main results obtained in this dissertation
本文主要是對非線性最優化問題中的若干重要演算法的理論分析作了探討，包括約束最優化問題中的梯度投影方法以及求解變分不等式和互補問題的幾類演算法，主要是集中在這幾種演算法的收斂性分析上。In chapter 2, by defining some concepts, such as constraint unit, constraint aggregate, constraint relation, constraint method, constraint chain, constraint degree and associate constraint sub _ aggregate etc. the basic constraint factors that affect the complex pipeline system packing are fully analyzed in the first. in the following, a mathematical modelling method used for complex pipeline system " optimization packing design is brought forth based on the optimization target decomposing, then a mode of generalized proposal field of the complex pipeline system packing design is constructed. finally, a variant genetic algorithm for the solution of the mode mentioned above is derived
第二章，通過定義約束元、約束集、約束關系、約束方法、約束鏈、約束度、關聯約束子集等概念，對影響復雜管線系統規劃布置的基本約束因素進行了較為全面、系統的分析；探討了基於目標分解的復雜管線系統優化布置問題的數學描述方法，建立了面向復雜管線系統布置的廣義布置方案場模型，並在此基礎上設計了求解該模型的變異遺傳演算法。Comprehensive well and geological constrained seismic inversion - comprehensive constrained inversion ( cci ), is based on nonlinear inversion techniques. it makes full use of detailed vertical resolution of well data and horizontal dense sampling of seismic data. according to geological theory, it inverts lithological profile in multi - wells and complex geological condition. at present, there are no perfect mathematical methods to solve nonlinear equations
地震資料與測井資料的綜合約束反演是在非線性反演的基礎上，充分利用測井資料詳細的垂直分辨能力和地震資料地面上采樣點密集均勻分佈的特點，把這兩種資料結合起來，取長補短，以地質理論為依據，針對多井及構造復雜的地質條件，反演出井以外的巖性剖面。Starting with single well reservoir classification and correlation, the deposition model is firstly developed, and then detailed reservoir calibration, multiwell constraint seismic inversion and porosity constraint inversion are conducted, based on the well logs correction and the wavelet analysis
首先從單井儲集層劃分對比入手，建立儲集層沉積模式，在測井曲線校正和子波分析的基礎上，進行儲集層精細標定、多井約束地震反演和孔隙度約束反演。This method connects the discrete points processed in the level set method to form a smooth curve, thus transforms the discrete problem to continuous one. constraint entry is added to the curve according to the actual demand, and satisfactory result is obtained in experiments. the results show that the algorithm is effective in the actual applications
基於鏈碼的水平集方法把原先水平集方法中處理的離散點，利用鏈碼易於表示曲線的特點，連接成一條光滑的曲線，這樣就把離散問題轉化為連續問題，利用曲線的連續性和光滑性，根據實際問題的需要，對曲線加入外部約束項控制，在實驗中獲得了滿意的結果，在實際應用中達到了預期的效果。Adopting the sectionalized lumped parameter method with dynamic friction, the dynamic performances of the typical segments in lineweb, i. e. short channels, rectangular elbows, forked channel, chamber of additional holes, are analyzed using the effective approach - power bond graph ( pbg ). thus the pbg model of lineweb with the sectionalized lumped parameter method i : ; iii established. this model is proven by digital simulation and physical experiment
作為校驗線網性能約束的后續環節，本文引入包含動態摩擦的管路分段集中參數鍵合圖模型，對集成塊線網中存在的短管、直角拐彎、分支管路、工藝孔容腔等典型結構進行分析，建立起具有典型結構的線網的分段集中參數鍵合圖模型，並通過數字模擬和物理實驗得到驗大連理工大學博士學位論文證。The fabrication methods such as molecular - beam epitaxy and metal - organic chemical vapor deposition and experimental studies of their properties have been reported, and theoretical studies mainly concentrate on the impurity binding energy varying the size of the wire, the effect of the applied electric field or magnetic field, and photoionization of impurities
在實驗上已經用分子束外延和金屬有機化學汽相淀積等技術對其物理性質進行了廣泛的研究，而理論上的研究主要集中於研究量子線的尺寸對雜質束縛能的影響、外加電場或磁場的作用及雜質的光致電離效應。分享友人