虛數模量 的英文怎麼說
中文拼音 [xūshǔmóliáng]
虛數模量
英文
imaginary modulus-
Brings forward the basic network cell model of symmetrical blast vault and asymmetric blast vault. then studies and analyses airflow in vault of main voltage switchyard hall of xiluodu hydropower station which is far cry and large numbers of airflow conflux, brings forward concept of “ virtual embranchment ” and corresponding basic network cell model, regresses calculate expressions of flux uniformity coefficient and impedance of “ virtual embranchment ” of vault of main voltage switchyard hall of xiluodu hydropower station
而後又採用cfd數值模擬的方法對溪洛渡水電站主變洞排風拱頂這種多股氣流匯流的長距離通道內的氣流流動進行了分析,提出了「虛擬分支」的概念和相應的網路基元模型,並回歸得到了溪洛渡水電站主變洞排風拱頂各個排風「虛擬分支」風量均勻系數以及阻抗的計算公式。High - speed, muti - services and economy have become the major issues of the future ip backbone technology as far as thes poiflt is concerned, thes paper explores layer 3 switdrig technology which separates control component and forward compontal in the traditional roulers. two forwarding al gori thms - - - - d ata - driven mo d el and top olo gy driven model are also compared, a next generation ip backbone echno l o gy - - - - multiproto co l label switching is developed, with its operation and its deployinent in traffic engineering, c1ass - ofservce and virtual private network
本文從未來ip骨幹網技術所要求的高速化、多業務支持、經濟性出發,介紹了在傳統路由器基礎上將控制部件和轉發部件分離的第三層交換技術,比較了數據驅動模型和控制驅動(拓撲驅動)模型兩種轉發演算法,並由此引出下一代ip骨幹網路技術? ?多協議標記交換,闡述了其工作原理以及在流量工程、服務等級區分和虛擬專用網中的應用。Virtual machining is a very important part in systematized techniques about virtual manufacturing. it requests an immersible 3d virtual machining environment which supplies panoramic, integrated simulation and analysis for the processing of product so as to evaluate the rationality of machining process parameters and the machining quality of product
虛擬加工是虛擬製造技術體系的重要組成部分,它要求有一個具有一定沉浸感的三維可視化虛擬加工環境,並能對產品加工提供全方位的、集成的模擬分析,以對工藝參數的合理性、產品的加工質量等做出評價。With the development of photography technology, the data of photography will increase, we have adopted segmentation of the data model to the display of the photography picture. we adopt technology of segmentation of mesne data, have solved the problem of carrying on the picture with slower processing speed, and make the performance of the 3d virtual simulation system promoted
隨著航拍技術的不斷發展,航拍圖像的數據量將不斷快速增加,針對航拍遙感圖像的顯示,採用了數據模型的分塊。通過採用中間數據分塊技術,很好地解決了海量航拍圖像在進行處理操作中速度較慢的關鍵性問題,使三維虛擬系統的性能得到提升。Fictitiousness of the amount of modulus of elasticity
彈性模量數值的虛擬放大性The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro
激光陀螺的核心部件為he - ne環形激光器,而掌握光與介質的相互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在密度矩陣理論的基礎上,推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程,運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ,對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究,並且運用全量子理論,對激光工作原理進行分析,得出二能級系統單模輻射場的光子數密度分佈,得出激光場的光子統計分佈,模擬激光場的動態建立過程。It has been shown that : the little indentation which represents the quantum noise of the system appears in the evolution curves ; the quantum noise which is caused by virtual photon field gradually becomes weak when w increases, the quantum noise increases when n increases ; the virtual photon process make the antibunching effect strengthen, make the squeezing degree deepen obviously, and lead to the additional vibration of entropy, the oscillation extent of the additional vibration of entropy increases when n increases and decreases when co or g increase. besides, the quantum dynamics of two coupling atoms interacting with a single mode ligh t field in a kerr medium is studied in this paper ; the influences of the kerr effect on the mean photon number, the degree of second order coherence of field, the evolution of the field entropy and the squeezing effect are also discussed
)的增大,量子噪聲分別減小和增大;虛光子過程使光場的反聚束效應增強,使光場的壓縮程度明顯加深,並引起了附加的「熵振蕩」 ,這種附加「熵振蕩」的幅度將隨著光場初始平均光子數( ? )的增加而增大,隨著光場頻率和原子間耦合系數g的增大而減小。本文還研究了充滿kerr介質腔中「耦合雙原子-單模光場」相互作用系統的量子動力學性質,研究了克爾效應對場的平均光子數、二階相干度、場熵演化特性及光場壓縮效應的影響。The inconsistent excitation can be decomposed into a series of irregular incident waves in terms of the spectral decomposition scheme of the hermitian matrix, with which the coherency function of the ground motions under the inconsistent excitation can be obtained numerical results are given to show its stability and rationality
該方法將隨機輸入下的波動分析問題轉換為多個虛擬激勵下的確定性波動分析組合問題,從而可以方便地獲得場地波動觀測量之間的譜密度矩陣,進而計算給出工程場地的地震動相干函數本文還用數值模擬的辦法對所提出方法的合理性和穩定性進行了探討。The main contribution of this paper is that it offers the software to analyze the detection performance and the combat efficiency of radar system taking advantage of visual c + + 6. 0. the software has very well graphics visualize output interfaces. the software can be used to expediently compare the detection performance of radar in existence, calculate and compare the max range and the detection precision of different radar under varying complex environment, calculate the radar detection probability and the radar false alarm probability. some new analyzing module can be added in this software easily
論文的主要貢獻是利用visualc + +設計了「機載火控雷達性能分析與效能評估軟體」 ,該軟體具有良好的人機交互性和圖形化形象化的輸出界面,可以方便的分析對比現有國內外機載雷達系統的檢測性能,對比不同雷達系統在各種復雜環境下的最大發現距離,計算不同雷達系統在各種復雜環境下的測量精度,以及計算雷達的檢測概率和虛警概率等參數,並且可以方便地添加新的分析模塊,進一步增加軟體的功能。Firstly, based on the present research all over the world, a 3d quasi - single phase model is built together with k - equations. the special feature of this model is taking account of the influence of interaction between liquid and gas, that is to say, the influence of interphase drag force, lifting force perpendicular to the relative velocity, virtual mass force and gas or liquid volume fraction in the fluid field have been considered. a 3d two - fluid model is also built in order to describe more accurately the fluid flow on distillation trays by comparing the computational results of quasi - single phase mathematical model with of two - fluid mathematical model
本文在國內外已有的研究基礎上,首先建立了以k - (封閉模型為基礎的三維擬單相流模型,該模型的特點在於充分考慮了氣液兩相間相互作用的影響,即計入了相間曳力、橫向升力、虛擬質量力和氣、液相含率對流場的影響;並建立了塔板三維雙流體模型,主要目的是通過對比擬單相流數學模型、雙流體數學模型的計算結果,建立能夠準確描述塔板上流體流動的數學模型。According to dynamical characteristic of the bubble motion in the flow field, and under the assumptions of isothermal system without interior heat source, uniform bubble size, and ignoring surface tension, the mathematical expressions for interfacial momentum exchanges have been deduced which include drag, virtual mass force, and lift
針對氣液泡狀流中氣泡運動力學特性,在系統絕熱、無內熱源、忽略表面張力、氣泡尺寸均一前提下建立了氣液相間曳力、虛質量力、升力的數學模型表達式。This paper gives the general design of the administration system in the broadband man. it also explains the detail implementation, such as the modules of the traffic accounting and radius ( remote authentication dial in user service ) programs, the control of the layer 2 switch ports, the distribution of ip address, and so on. during the building of the system, we greatly unproved the efficiency of snmp ( simple networks manage protocol ) trap and achieved the access control hi the broadband man
對以太網方式接入的用戶,利用802 . 1q 、 pvlan (私有虛擬局域網)等新技術實現了用戶數據隔離和安全性保證,並對用戶埠資源進行了統一管理和遠程自動控制,採用snmp (簡單網路管理協議)採集埠流量的方式實現了以太網用戶的按流量計費,詳細設計了具體的流量採集程序模塊組成和各部分的功能。With the computer controlling the output of the digital signals and the analog signals, controls and adjusts startup, stop, turn and rotational rapidity of the transducer - electromotor and the strength of brake actuator ; installs the torque sensor on dynamical axis, and installs the encoder on non - dynamical axis of the dimensional globoidal indexing cam mechanism ; utilizes the virtual instrument language labview development the test and control system, with the computer real - time monitoring, late displays and storages the data of the test, and processes the data and analyses it
利用計算機控制數字量輸出和模擬量輸出來達到控制和調節變頻電機啟停、轉向、轉速;控制制動器的啟停和加載力;在弧面分度凸輪的加載軸和空軸上安裝扭矩傳感器和編碼器;應用虛擬儀器語言labview開發試驗臺的測控軟體系統,用計算機進行實時監測與事後顯示與存儲,並進行信號處理與分析。To fulfill the need of the application of rp technique in medical domain, reverse cad modeling from medical cross sections is systematically studied in this dissertation. firstly, some algorithms related to the research of this dissertation are studied. new algorithms for orientation and inclusion test for simple polygon, an error constrained automatic faring algorithm for b - spline curve and a theorem regarding the termination criterion for subdivision of triangular bezier patch are proposed
本文針對rp技術在醫學領域應用的需要,系統研究了基於醫學斷層輪廓數據的反求cad建模理論和方法: ( 1 )在基礎演算法研究部分,提出了簡單多邊形方向及點在多邊形內外判斷的新方法、三角b zier曲面片離散的誤差控制定理和一種帶誤差約束的b樣條曲線的自動光順方法; ( 2 )提出了一種基於相鄰層輪廓相似性的醫學斷層輪廓數據曲面重構方法; ( 3 )提出了一種稱為「虛擬測量」的曲面模型處理方法。Based on characteristics of the whole manufacturing process enclosed the winding, cure and autofrettage processes for the composites filament wound vessel with metal liner, a methodology for the prediction of the induced process stress field has been developed
摘要基於具有金屬內襯復合材料纏繞容器纏繞、固化和預超壓3個製造工藝過程的特點,提出一種溫度參數當量法模型和虛實單元分析策略,以模擬在纏繞預張力工藝中的力學行為。In part, according to the basic principles of structure character, the paper sets up dynamics model of humanoid robot, as a guiding theory of virtual protot - ype research, proposes essential parameter of setting up virtual prototype model, including kinematics parameter, mass property parameter, mechanics character - istic parameter and external parameter, etc ; by utilizing pro / e set up threedimen - sional prototype model, carries on kinematics model prove among adams at the same time, finishes dynamics simulation about virtual prototype walking on line and turning utilizing adams finally
論文的第三部分根據結構特性建立了仿人機器人動力學數學模型,提出了建立虛擬樣機模型的必要參數,包括運動學參數、質量特性參數、力學特性參數和外界參數等;並利用pro / e建立了三維樣機模型,然後在adams中進行運動學模型驗證;最後在adams中對虛擬樣機模型進行了直線行走過程的動力學模擬。Combining vi technology, quality inspection, quality controlling and instrument management, and bringing forward a mean that integrating virtual inspection, instrument dynamic management, inspection process dynamic management, quality controlling and instrument. adopting popular database technology and software interface of relational database and integrating inspection environment, establishing virtual inspection instrument software module database, and to develop function of recording, saving, deleting, adding, editing, searching and so on for developed virtual inspection instrument module
將技術與質量檢測、質量控制和儀器管理相融合,提出了虛擬測試與儀器信息管理、測試過程管理、質量控制等管理功能的集成方法;採用流行的關系數據庫技術,以及關系數據庫與集成測試環境的軟體介面,建立虛擬測量儀器軟體模塊數據庫,進行所有已開發好的虛擬測量儀器軟體模塊的記錄、存儲、刪除、添加、編輯、檢索等功能。The four parameters ( spring inclination a, the frequency of excitation force w, the amplitude of excitation force f, the spring stiffness k ) are the major factors that take great influences on the vibration plate. in order to analyzing the influences of four parameters, the virtual prototype of vibration plate is built in ansys to get inherent frequency from modal analysis. thorough transient analysis in ansys, the curves of displacement n velocity and acceleration is presented
為了分析這四個參數對系統的影響,首先在ansys中建立振動排秧盤的虛擬模型,採用有限元方法對模型進行了模態分析,得到振動排秧機構的固有頻率;同時對模型進行動力學分析,分析排秧盤的振動量、速度及加速度,並得出相應數據的曲線圖;另外,校核了主要元件彈簧的疲勞強度及使用壽命。Toward different surgery simulation request, we simplify human soft tissue to linear model, nonlinear model, or stiff / elastic model. using stiffness coefficient, damping coefficient, and mass point density to represent the characters of stiff / elastic, anisotropy, and non homogenous of soft tissue
對應于不同的虛擬手術模擬要求,將人體軟組織簡化為線性、非線性、粘彈性物理模型,採用組織的彈性模量、阻尼系數、密度等物理特性表徵軟組織的粘彈性、各向異性、非均勻性等特性。The dataset collected, called vch - m1 ( virtual chinese human male 1 ), were characterized in the slice interval of the same 0. 2mm, including 9232 anatomical serially sectioned slices ( up to 161. 56 gb ), and radiological data composed of 1720 ct images with scan thickness of 1mm and 780 mri images with that of 2mm. we succeeded in eliminating the deformation of the chest and the abdomin during embedding, using a technique of fixation under salty environment with low temperature, and also a technique of sequentially embedding with enough ice pieces
在對中國虛擬人女1號( vch - f1 ) 0 . 2mm等間距斷面切削建模的基礎上,我們對數字建模工藝的一些步驟進行了改進,獲取了vch - m1的0 . 2mm等間距斷面數據集,包括冰凍切片圖像9232張,數據量為161 . 56gb ;影像數據包括全身斷層ct1720張,層厚1mm ; mri780張,掃描間距2mm 。分享友人