矩形表體系 的英文怎麼說
中文拼音 [jǔxíngbiǎotǐxì]
矩形表體系
英文
system of rectangular tables-
And the system can be expressed with damage matrixes, which forms a clear and intact dendriform damage evaluated method, offering a practical basis of quantization for seismic design, seismic reinforcement and repair of buildings after earthquakes
該體系可用矩陣形式表示,總體上形成了層次分明、分支完整的樹狀評估體系,可以為抗震設計、抗震加固和震后維修提供明確實用的量化依據。The design method of system structure and every compositive section is introduced. the graphics edit platform is developed, including edit software of transformer substation ' s diagram and diagram for calculating line - loss, then the method of coding is introduced, especially the transition from diagram to matrix of conductance and susceptance
開發了本系統的圖形編輯平臺,包括變電站接線圖編輯軟體和網損接線圖編輯軟體,分別對變電站接線圖編輯軟體和網損接線圖編輯軟體的實現過程進行了闡述,詳述了從矢量圖表示的電網圖轉化成導納矩陣的過程。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 )在對層狀地基傳遞矩陣法中的總傳遞矩陣分析的基礎上,提出了廣義雙層地基模型的概念,並把半無限體的傳遞矩陣r引入到多層地基在圓形垂直均布荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉降的解析式中; ( 2 )根據多層地基在圓形荷載、矩形垂直均布荷載及條形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 )通過對雙層地基圓形垂直均布荷載中心軸線上的附加應力系數和荷載中心沉降,矩形垂直均布荷載角點下的附加應力系數和荷載角點沉降及條形垂直均布荷載中心軸線上的附加應力系數進行的計算,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系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。We analyze the assembly model and propose a mathematics model and tree - representing model of the assembly who not only has a small data size, but also can be manipulated easily. this thesis not only gives the virtual representing concept the instance representing one, but also defines the concept of assembly constraint such as coupling, being alignment, being coaxial and being equidirectional. based on such concepts, a revised newton - raphson iterative algorithm is proposed, which can deal with the singularity and ill - condition of jacobi matrix
首先分析了裝配體的模型問題,提出了裝配體的數學模型及樹形式表示的裝配體表示模型,模型具有數據量小、操作簡單的優點:文章對所涉及的約束諸如耦合、對齊、同軸、同向的裝配體位置描述概念進行了定義,引入了裝配約柬概念,從而提高了裝配設計效率;在此基礎上,文章討論了裝配約束的求解方法,提出了newton rapson迭代法的改進演算法,使得系統能更好地處理jacobi矩陣的奇異和病態的情形。In chapter 2, author points out firstly that the elastic deformation of elastic units of a robot ' s wrist force sensor will be enlarged by the end - effector, the instruments and the work pieces, so the elastic deformation of the sensor will influence the location accuracy or kinetic accuracy of end point of a robot, under the condition of that the robot technology facing the developing of heavy load, light mass and high accuracy. it is discussed respectively that the relationship between the differential kinemics in the sensor ' s coordinate and the location accuracy or kinetic accuracy of the end point. error matrixes of location and kinemics of the end point are presented respectively based on the differential kinemics in the sensor ' s coordinate, and the on - line error compensation methods are introduced subsequently
第二章首先指出機器人腕力傳感器彈性體的彈性變形經過機器人末端連桿、工具、工件等的放大后,會對機器人末端精確定位和運動產生的影響;然後分別研究了傳感器坐標系內的微分運動與機器人末端工件精確定位、運動的關系;在此基礎上,研究了基於腕力傳感器彈性體微分運動的機器人末端定位、運動誤差的誤差矩陣及其在線誤差補償方法;基於機器人動力學的機器人末端定位、運動誤差的誤差矩陣及其在線誤差補償方法;最後,以puma型機器人為對象,給出了基於腕力傳感器內微分運動的機器人末端定位、運動誤差及其在線補償方法的模擬實例:給出了基於機器人動力學的機器人末端定位、運動誤差及其在線補償方法的模擬實例;模擬結果表明, 1 )基於腕力傳感器的機器人末端定位誤差在腕力傳感器允許的載荷下可達十分之幾毫米級。For two - spheres system, we present the concrete expression of the t matrix in such a system. and some numerical results obtained by this expression are compared well with experimental data
在雙球粒子體系散射問題的研究中,用矩陣求逆的方法,具體地給出了雙球粒子體系散射傳輸矩陣的表達形式。A monte carlo algorithm was presented to model the relation between the scattering phenomenon, depolarization changes and sea water depth, it is discovered that the radius of scattering point and the degree of depolarization increase with increasing of the sea water depth. at last, a optical engineering software ( lighttools ) is introduced to simulate optical scattering in the deep sea water, and studys the corelation between scattering and relative refractive index, particle density and particle size in the sea water. the experiment results show that the intensity of scattering will increase evidently with the increasing of particle size, particle density and relative refractive index. the methods and results in the article provide the basic theory and experiment validation for improving performance of communication, detection and imaging under sea water
本文以球形粒子的mie散射理論、 stokes矢量法以及mueller矩陣來研究海水的散射特性和散射中的退偏振度變化;通過montecarlo方法模擬藍綠激光在海水傳輸過程中的散射現象以及散射中的退偏度變化與海水深度的關系,發現隨著海水深度的增加,散射后的光斑半徑、退偏振度將逐漸增大。最後通過光學工程軟體( lighttools )對海水中的散射進行模擬實驗,研究散射與海水中粒子密度、粒子大小和相對折射率的關系。實驗結果表明,隨著粒子半徑、粒子密度和相對折射率的增加,散射的強度將顯著增加。The author first proposes an improved mass - spring model developed for rectangle meshes based on the survey of cloth modeling methods, by which the simulation of cloth is formulated unifiedly. the dynamic system of modeling and simulation is derived and solved using time differentiate method, with given composition and expression of internal and external cloth forces in the formulation
在此基礎上作者提出改進的基於矩形域的質點-彈簧模型,利用該模型統一建立了布料真實感模擬方程,給出方程中質點所受內力和外力的組成與表達式以及動態系統的推導和求解過程,並且描述了模擬的具體實現演算法。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,結合某航空直擴數傳電臺的工程要求,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。For shutters, the results show : 1 ) according to the formula p =, the theoretical value of is calculated by the effective velocity of the flow, and its engineering value is calculated by the arriving velocity of the flow, the relationship between the theoretical value of and its engineering value is 2 ) the smaller value of declining angle will result in the smaller pressure loss and smaller outlet velocities. as a result, the declining angle of 30 擄 or less is recommended in some places which need small wind velocity, such as broadcasting studio and library, and the declining angle of 45 擄 or less is recommended in places which need big wind velocity, such as cinema and office ; 3 ) the larger value of ratio between the wide of the shutter b and the space between two boards h ( b / h ) will result in the larger pressure loss and smaller outlet velocities. the range of b / h from 0. 8 to 2. 0 and the optimum value 1. 2 is recommended ; 4 ) the range of b from 10 mm to 50 nun and the optimum value 40 mm is recommended ; 5 ) the proper thickness of the boards 8 of the shutters is 1. 5 mm ; 6 ) cuneiform boards should replace the rectangle inlet boards of the shutters in order to obtain better ventilation
數值模擬採用fluent軟體,計算結果用excel進行處理,通過對大量數值工況進行數值模擬計算,結果表明:對于單側百葉風口,計算表明: 1 )對于公式p = ( ~ 2 ) 2 ,的理論計算值中定義為流體流經百葉風口內部時的速度,即有效速度,而工程上常使用流體的來流速度來計算,計算表明,的理論計算值與工程應用值的關系為( _ (理論) ) ( _ (工程) ) = 0 . 813 ; 2 )當來流速度一定時,擋板傾斜角度越小,壓力損失越小、出口速度越小;因此在要求進口風速比較小的場所,如播音室、圖書館等,宜採用擋板角度30的百葉風口;在要求進口風速比較大的場所,如電影院、辦公室等,百葉擋板的角度應選45 ; 3 )當來流速度一定時,百葉擋板的擋板寬度b與擋板間距h的比值b h越大,壓力損失越大,出口速度越小,計算表明,鑒于壓力損失、出口風速、板間形成渦流區的大小,百葉擋板的b h值取0 . 8到2 . 0之間, b h = 1 . 2為最佳值; 4 )當來流速度一定時,在計算的條件下,當百葉擋板寬度b = 40mm時,百葉擋板的阻力系數最小,考慮到渦流區等的影響,建議選用10mm b 50mm的百葉擋板;西安建築科技大學碩士學位論文5 )百葉擋板的厚度取為1 . sinln為好; 6 )百葉擋板的入口側可選用具有傾斜度的楔形擋板來代替矩形擋板,利用其較好的導流作用,可得到更好的出流效果。The moment method is used to calculate the rcs of three - dimensional targets in this paper. these targets include conducting targets, dielectric targets and coat targets. triangular patches are used to model the surface of the target, then electric field integral equation ( efie ) and magnetic field integral equation ( mfie ) are built which satisfy the boundary conditions. the rwg vector base functions are used to denote equivalent electric current and magnetic current on the surface of the target. finally use the galerkin method ( rwg vector base functions are basis function and test function ) to transform integral equations into matrix equation. when obtain the equivalent electric current and magnetic current, we can calculate the scattering field and the rcs of the target
本文利用矩量法計算了三維導體目標、介質目標、塗層目標的雷達散射截面。首先採用三角形面元對物體表面幾何形狀進行模擬,然後建立滿足邊界條件的電場積分方程( efie )和磁場積分方程( mfie ) ,將物體表面的等效電磁流用rwg矢量基函數表示,最後利用伽略金法( rwg矢量基函數既作為基函數又作為檢驗函數)將電磁場積分方程轉化為矩陣方程求解未知電磁流系數,得到了表面的等效電磁流后,可以計算散射場和目標的雷達散射截面。The research on the rf characteristics of the conductor - centered helical groove sws. ( a ) in the " cold " system, we found that the changing of depth of the groove has no distinct effects on the phase velocity at the lower frequency region ; but with the increasing of the frequency, the phase velocity and bandwidth are reduced slightly, the structure is more dispersive and the coupling impedance is enhanced
對具有中心導體軸的矩形螺旋槽慢波系統的高頻特性進行了理論研究: ( 1 )在冷系統中的研究結果表明:頻率較低時,槽深的改變對相速的影響不是很大,隨著頻率的增大相速略有減小,同時帶寬也有所減小,色散變得稍強,耦合阻抗增大。Under the horizontal earthquake action and wind force, aim at " the pure frame structure with rectangle columns ", " the pure frame structure with special - shaped columns ", " the frame - truss structure with special - shaped columns " and " frame - shear wall structure with special - shaped columns ", earthquake action analysis was done by the spacial finite element method through the changes structural parameter. analyzing systematically " structure vibration mode ", " vibration period ", " structure lateral rigidity ", " seismic action force ", " seismic response force ", " floor seismic shear force ", " lateral horizontal displacement of structure " and " members internal force ". results indicate : ( 1 ) based on equal area, the special - shaped columns replaced the rectangle columns, the structural lateral rigidity enlarges, the lateral displacement minishes obviously, the earthquake response increase slightly, the biggest increasing amount of frame columns axis - compress ratio is smaller than 0. 08. the whole aseismic performance of structure has improved ; ( 2 ) when the section ' s length and section ' s thickness ratio of special - shaped columns is smaller than 3. 6, the structure benefits to resist seismic action ; ( 3 ) the angle of horizontal seismic action with the whole coordinate is 0 degree, structure earthquake response is bigger, belonging to a control factor of structure aseismic design ; ( 4 ) the frame - truss structure with special - shaped columns and the " a " - brace has the biggest lateral rigidity ; ( 5 ) the frame - shear wall structure with special - shaped columns have bigger lateral rigidity and smaller displacement, members internal force enlarged just rightly, have much superiority of resisting seismic action ; ( 6 ) in the higher seismic fortification criterion region ( 8 degree of seismic fortification intensity ), aseismic disadvantageous building site ( iii type site ), adopting special - shaped columns structure system, should reduce possibly the building ' s self - weight in order to reduce the earthquake response ; ( 7 ) the response spectrum method of computing seismic response and the time - history analysis method have similar analysis result
西安理工大學碩士學位論文在水平地震作用下,並考慮風荷載組合,分別對「矩形柱純框架結構」 、 「異型柱純框架結構」 、 「異型柱框一析架結構」及「異型柱框-剪結構」等四種結構體系,通過改變結構參數,運用空間有限元方法,進行地震作用計算。系統地分析研究「結構振型」 、 「振動周期」 、 「結構側向剛度」 、 「結構地震反應力」 、 「樓層地震剪力」 、 「結構側向位移」 、 「層間位移角」 ,以及「構件內力」 。結果表明:在等面積原則下,異型柱代換矩形柱后,結構剛度增大,側向位移明顯減小,地震反應力略有增加,框架柱軸壓比最大增幅小於8 % ,結構整體抗震性能有所提高;當異型柱肢長肢厚比小於等於3 . 6時,結構有利於抗震;水平地震作用力與整體坐標夾角為0度時,結構地震作用效應較大,屬結構設計的控制因素之一;異型柱框一析架結構採用「人」字斜撐,側向剛度大於「八」字斜撐和「人一八」字混合斜撐;異型柱框一剪結構側向剛度大、位移小,構件內力增大適中,是一種抗震性能優越的結構體系:在抗震設防烈度較高地區( 8度)和抗震不利的建築場地( m類場地) ,採用異型柱結構體系時,應盡可能減輕結構自重,降低地震作用力;分別採用「振型分解反應譜」法和「時程分析」法進行地震作用計算,兩種方法所得結果基本一致。The use of wave packet to analyze the dynamics of quantum mechanical systems is an increasingly important method to the study of the classical - quantum correspondence. using the quantum gaussian wave packet analysis method, we calculate the autocorrelation function of the rectangular billiard, the peak positions of the autocorrelation function match well with the periods of the classical periodic orbits, which show that the period of the classical orbits can be produced by the time - dependent quantum wave packet method. we also discuss wave packet revivals and fractional revivals in the rectangular billiard, the results show that there are exact revival for all wave packet at each revival time. we find additional cases of exact revivals with short revival times for zero - momentum wave packets initially located at special symmetry point inside the billiard
利用波包分析量子力學體系的動力學行為在研究經典和量子的對應關系方面越來越成為一個非常重要的方法.利用高斯波包分析方法,我們計算了矩形彈子球體系的自關聯函數,自關聯函數的峰和經典周期軌道的周期符合的很好,這表明經典周期軌道的周期可以通過含時的量子波包方法產生.我們還討論了矩形彈子球的波包回歸和波包的部分回歸,計算結果表明在每一個回歸時間,波包出現精確的回歸.對于動量為零的波包,初始位置在彈子球內部的特殊對稱點處,出現一些時間比較短的附加的回歸Then after a semi - rigid joint behavior can be modeled as a finite stiffness rotation spring, base on rotation and displacement equation derive the element stiffness matrixes with semi - rigid connections where the effects of jointed flexibility and shear forces in the connection deformations have been considered in and fixed - end forces are modified. finally, a program for calculating system reliability of semi - ridge steel frames with monte carlo method and finite element analysis has compiled for calculating and analyzing. by calculating results of several examples for steel frame in semi - rigid joints case show the change of joint stiffness and other kinds of factors affect the system
接著本文在介紹和分析半剛性連接彎矩和轉角關系模型的基礎上,用帶有轉動剛度的彈簧表徵半剛性連接,推導出半剛性連接的剛度矩陣,對固端力進行修正,同時考慮了剪切變形的影響,編制了半剛接鋼結構平面框架的有限元程序bhpfl ,並在其基礎上編制了基於蒙特卡洛法的montecarlo - bhpfl有限元相結合的方法,進行體系可靠度的分析。The paper analyzed the struture of the tri - eccentric butterfly vavle at length, defined the tri - eccentric butterfly valve, educed the geometry function and its characteristic about the section of the butterfly disc. the results indicate : the parallel contour line across butterfly disc thickness is normal ellipse, thereby eslablished function relations between its geometry parameters ( long axis and short axis ) of three primary sections of the butterfly disc and the tri - eccentricity ; in order to avoid interference between the butterfly disc and the valve seat as well as the valve body, combining the torque, we obtained the feasible range about the rotation center of the tri - eccentric butterfly vavle
本文主要分析了三偏心蝶閥的結構,給出了三偏心的定義,推導出了蝶板截面的幾何方程及其性質,結果表明,沿蝶板厚度的平行截面輪廓線為標準的橢圓形,進而推導出了蝶板幾個主要截面的幾何參數(長軸、短軸)與三個偏心之間的函數關系;考慮到蝶板啟閉過程中避免與閥體及閥座發生干涉,結合蝶板的啟閉扭矩,確立了三偏心蝶閥回轉中心的適宜區域。Some examples are given, showing that density stratification can have a large effect on the added mass and damping of the floating rectangular box in a two - layer fluid over a range of frequencies
對所建立的求解模型進行了數值計算分析,結果表明在矩形箱浮體的某個振蕩頻率范圍內,流體的分層效應對其附加質量和阻尼系數有顯著影響的。This subject is a research about manufacturing silicon magnetic - transistor with rectangle - plank cubic construction on silicon surface by mems technology, meanwhile it also makes a experiment - research on characteristic of silicon magnetic - transistor manufactured experiment expresses that silicon magnetic - transistor with rectangle plank cubic construction which is made by mems technology owns many virtues, which are as follows : first, stronger v - i characteristic curves and higher magnetic sensitivity ( collector current magnetic sensitivity of sample can achieve to 227 % / t ), second, lower negative - temperature coefficient that is small
本課題主要研究採用mems技術在矽片上製作矩形板狀立體結構硅磁敏三極體,並對製作的硅磁敏三極體樣品基本特性進行實驗研究。實驗結果表明本課題採用mems技術設計、製作的矩形板狀立體結構的硅磁敏三極體樣品具有較理想的伏安特性曲線、具有較高的磁靈敏度(樣品集電極電流磁靈敏度可達227 / t ) 、具有負溫度系數且溫度系數較小、在磁場一定時i _ c i _ b線性關系較好等優點。Second, we try to find another kind of realization of yangian so that we can study the symmetry of this system based on a different point of view. we find that there is yangian symmetry in dirac oscillator, as a result, we are able to shift one degenerate state to anther in the same energy level. then we construct the corresponding transfer matrix to determine the rtt integrability of dirac oscillator
然後,本文尋找dirac諧振子的另外一種yangian實現形式,從另一個角度研究該體系的對稱性,從而表明dirac諧振子這里這種實現下具有yangian對稱性,這樣,我們可以實現在同一個能級的不同簡並態之間的躍遷,再構造出相應的整體轉移矩陣,確定dirac諧振子在rtt意義下的量子可積性的問題。分享友人