虛輸出入 的英文怎麼說

中文拼音 [xūshūchūrù]
虛輸出入 英文
virtual i/o
  • 虛 : Ⅰ名詞1 （空虛） void; emptiness 2 （政治思想等方面的道理） guiding principles; theory 3 （二十八...
  • 輸 : Ⅰ動詞1 （運輸; 運送） transport; convey 2 [書面語] （捐獻） contribute money; donate 3 （失敗） l...
  • 入 : Ⅰ動詞1 （進來或進去） enter 2 （參加） join; be admitted into; become a member of 3 （合乎） conf...
  • 輸出 : 1 （從內部送到外部） export 2 [電學] output; outcome; outlet; out fan; fanout; 輸出變壓器 output ...
  1. In this paper, a collaborative virtual product design platform is introduced. virtual reality technology is used to build the human computer interface, haptic feedback input device is used for producing a series of sculpting operations to change the shape of the model, collaborative design environment is realized by programming winsocket programs, rapid manufacturing is implemented by connecting with numerically controlled milling machine

    本文介紹了一種協同式產品外形虛擬設計平臺，它利用虛擬現實技術建立自然的設計界面，利用力反饋位置輸入裝置產生一系列虛擬雕刻操作進行設計，利用winsocket編程建立網路連接，實現網路協同設計，通過和數控機床建立無縫連接還可快速加工出所設計的產品外形。
  2. 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。
  3. Because of block in head of line ( hol ), input buffer strategy make the whole switch system performances declining drastically at heavy oflbred load, and some improvements of input buffer strategy are put forward to overcoming tlle head of line block. virtual output queues ( voq ) is chosen as input buffer strategy. dpa and ilqf ce1l scheduling algorithms for voq are silllulated

    由於輸入緩存的隊頭阻塞使得高負載條件下輸入緩存策略的交換系統各方面性能急劇下降，由此提出了克服輸入緩存隊頭阻塞的改進方法，最後本文決定選用虛擬輸出隊列（ voq ）的輸入緩存策略，並且研究了與虛擬輸出隊列相對應的ilqf （最長隊列優先）和dpa （對角線優先）信元調度演算法，為交換系統的asic設計提供依據。
  4. Based on the scrutiny of the application of virtual reality technology and the analysis of the current status of vr application in automobile design, a car body modeling system is proposed in this thesis. this system utilizes ug ' s powerful surface modeling, solid modeling, further development and highly interactive tools, nicer virtual environment to realize car body modeling and virtual assemble

    本文在討論了虛擬現實技術的發展及國內外研究現狀，並深入分析了虛擬現實技術在汽車設計中應用的基礎上，提出了一個基於ug平臺上的車身虛擬造型系統，該系統藉助于ug軟體強大的曲面、實體造型功能以及二次開發功能，良好的輸入輸出界面、交互工具，很好的虛擬環境效果來實現車身的三維虛擬概念造型、虛擬裝配。
  5. Aimed at design index of input power 1. 5kw, most output rotate velocity 300rpm, and rating output rotate velocity 150rpm, considering factors of angle and ratio of transmission, on the basis of kinematics simulation, author optimized the kinematics parameters. in this paper, author has made some analysis and study to the primal assembly condition of transformer ' s sequential action in theory, designed structure dimension of the input and output transformer, and verified the corresponding strengthen. further, the structure, which is to key transmission components of velocity control system of the speed regulator, has been designed based on meeting operational sensitivity, precision and self - locking

    本文針對輸入功率為1 . 5kw ，最大輸出轉速，額定輸出轉速的無級變速器的設計要求，並考慮到傳動角及變速比等因素，在運動學模擬的基礎上，對運動學參數進行了優化；本文對變換器連續作用的初始裝配條件進行了理論分析與研究，對輸入、輸出變換器作了結構尺寸的設計，並進行了強度校核計算；本文還對變速器調速系統中主要傳動構件在滿足操作的靈敏度、精度、自鎖性的基礎上進行了結構設計；最後採用workingmodel3d軟體，進行虛擬樣機的計算機輔助模擬設計及運動學和動力學計算。
  6. For the exact feedback linearization of general nonlinear singular systems, by taking the algebraic variables as virtual inputs, a recursion inverse algorithm is introduced in this paper

    摘要對一般廣義非線性系統的反饋線性化問題，通過將代數變量視為虛擬輸入，給出了構造性遞歸求逆演算法，實現了系統的精確反饋線性化。
  7. Under windows nt and labview development environment, using the linear fit module, exponential fit module > general polynomial fit module of labview to design a method for fitting the experiment data, the results of curve fitting indicate that the purpose of general polynomial fitting is better than the rest. separating the equivalent input impedance of magnetostrictive transducers without stimulate current from input impedance of it with stimulate loop based on the results of curve fitting, and determining the syntony frequency and electric simulation network parameters of magnetostrictive transducers by this input impedance. finally, with labview network functions, realizing magnetostrictive transducer electric simulation system based on web server and discussing a scheme for this system network by datasocket. the method of this paper can more accurately determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers than the testing method of syntony & anti - syntony. at the same time, discussing virtual instrument measurement system and how to realize magnetostrictive transducer electric simulation network system by labview network functions of network virtual instrument measurement development environment

    在windowsnt系統環境和labview虛擬儀器技術開發平臺下，首次利用labview中的直線擬合模塊、指數擬合模塊以及多項式擬合模塊，設計了一種對實驗所得數據進行曲線擬合的方法，對三種擬合方法進行了比較，曲線擬合結果表明，多項式擬合方法相對于其它兩種擬合方法效果更好；根據曲線擬合的結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時機械振動形成的等效輸入阻抗，並由此輸入阻抗確定了磁致伸縮換能器的諧振頻率及其電氣模擬網路參數；最後通過labview提供的網路功能，實現了基於web服務器的磁致伸縮換能器電氣模擬虛擬儀器測試系統，並探討了通過datasocket技術實現該系統網路化的方案。
  8. The control tactics of space voltage vector are investigated, and the simplified algorithm which judges the sector location of reference vector and calculates switch operation time is put forward. by analyzing the current hysteresis control, the relation between switch frequency, and hysteresis bandwidth and input inductance of pwm rectifier is deduced. by applying instantaneous power theory, the principle of pwm rectifier power control is analyzed, and the direct power control by matlab toolbox through estimating active power and reactive power with virtual flux is realized, and the simulation results prove that it is correct

    對常用空間電壓矢量控制策略進行分析，提出了給定參考矢量所在區間判斷的簡化方法，以及電壓矢量作用時間的求取方法；分析了電流滯環控制策略，推導出開關頻率與滯環帶寬以及整流器輸入電感之間的關系；應用瞬時功率理論分析pwm整流器功率控制原理，通過虛擬磁鏈估計有功功率和無功功率，用matlab實現了直接功率控制，並驗證了該控制方法的正確性。
  9. At last, the article emphasizes on the study of the novel robotics visual serving arithmetic, and validates the adjust estimate of the joint in the practical use. the author analyses the characteristics and the principle of the virtual muscle, based on which form the mathematical relationship model mapping to the joint angle. then the author gets the outputs of the virtual muscle and the

    依次分析了虛擬肌肉的特點和原理，並在此基礎上建立和關節角映射的數學關系模型;採用模糊控制演算法推理虛擬肌肉、關節角的輸出，提出用左右圖像中的相對位置信息作為模糊控制的輸入，並規劃了虛擬肌肉的調整策略;文中還進行了結果驗證，把軟體平臺執行過程和實際平臺執行過程對比，得出演算法有效性的結論。
  10. Virtual i o

    虛輸出入
  11. Following the development trend of valve cad, according to the requirements of the chengdu chengfeng valve limited company and based on mdt, this article develops the 3d parametric valve design system. the main work and achievements are as follows : based on the 2d engineering drawing of the several different valves the company provided, the 3d parametric basic drawing - base is set up using mdt which is a 3d design platform, including all the parts drawings and the general assemblage drawings of the valve models ; in accordance with the common steps of the valve design, the parameter editors are designed to edit, import and export the valve parameters and are provided with the function of double synchronization on parameters displaying for convenience in use ; in order to meet demands of users and make the design more accurate, reliable and practical, the assistant formula calculators are developed, which can automatically do all types of structure calculation in the procedure of valve design, and export the calculation manual of valve design ; in order to make designers more rivalries, taking full advantage of internetmntranet technology, the virtual design center is developed, which integrate netmeeting, terminal service and super links, so that the designer can directl y use applications on remote server, communicate with other designers on intranet / internet, share software resources and realize long - distance cooperative design

    根據閥門cad發展趨勢，針對成都乘風閥門有限責任公司閥門設計現狀，本課題基於mdt三維設計平臺開發了閥門三維參數化設計系統，主要完成的工作和成果如下：根據公司提供的幾種不同結構閥門的二維工程圖紙，利用mdt三維設計平臺建立了三維參數化基本圖形庫，其中包括所有零部件和總裝配模型圖及二維工程圖；依照閥門設計的一般步驟設計了參數編輯器，用來對閥門尺寸參數進行編輯、輸入、輸出等，具有參數雙向同步顯示功能，使用十分靈活方便；根據用戶的需求，為了使設計達到精確、可靠、實用的要求，設計開發了輔助計算器，能自動完成閥門設計過程中所需的各種結構計算，並可以輸出閥門設計計算說明書；為了使設計人員更具有競爭力，本系統利用internet intranet技術設計開發了虛擬設計中心子模塊，虛擬設計中心集成了網路會議、終端服務、超級鏈接等功能，可以讓設計師直接使用服務器上的應用程序，與intranet internet上的其他設計專家進行交流、共享軟體資源，實現遠程協同設計。
  12. We have researched and exploited the highway engineering project management information system ( acronyms : hepmis ) based on gis for resolution of the former problem. we take advantage of the digital method to deal with the construction management of highway and cost and the progress control in researching and exploiting the hepmis. the intension of the hepmis is to handle all kinds of information about highway with visual virtual ( model ) method, and let these information reappear computer terminal for dynamic management

    公路工程項目管理信息系統的研究與開發是用數字的方法處理公路的施工管理、費用及進度控制等方面和環節，其內涵是將公路的各種信息用可視化的虛擬（模型）方式，再現在計算機終端而進行動態管理，使「摸不著、看不見」和「看得見、摸得著」的信息，用數字的方式輸入到計算機系統之中，最終顯示出來，供公路施工管理使用。
  13. The simulation results of the 2. 5 - d pic code for this new structure are presented. a 2. 5 gw peak output power with the frequency of l. 3ghz is generated with the input of 625kv voltage, dc input power of 18gw

    然後對這種器件進行了數值模擬研究，得到的典型結果為:輸入電壓625kv ，輸入直流功率18gw ，輸出微波峰值功率為2 . sgw ，虛陰極振蕩頻率被鎖定，微波飽和時間小於sns ，頻率為1 . 3ghz 。
  14. Simulation results show 2. 5 gw output power with a frequency of 1. 25ghz can be generated with an input of 620kv voltage, dc input power of 10. 5gw electron beam. ( 3 ) the radial reflex klystron with an open foldaway - concentric cylindrical resonant cavity integrates the resonant cavity and reflex cavity within one foldaway coaxial cavity, so it is a very compact high power microwave device

    然後對這種器件進行了數值模擬研究，得到的典型結果為:輸入電壓620kv ，輸入直流功率io . sgw ，輸出微波峰值功率為2 . sgw ，虛陰極振蕩頻率被鎖定，頻率為1 . 25ghz ，微波飽和時間小於sns 。
  15. Firstly, a data acquisition circuit was designed, which is consisted of ad420, dac702 and ad7701. then, comparing with different usb control ics, an2131 was selected to achieve the control of data acquisition and usb communication. detailed rules to develop a usb device general purpose drivers were introduced, and the virtual instrument application software was developed basing on labview

    首先是數據採集卡的製作，包括由ad420 、 dac702數模轉換晶元構成的模擬輸出通道，由ad7701 、 ad8200構成的模擬輸入通道;然後比較幾種不同的usb介面晶元，選擇帶usb介面的an2131微處理器實現數據採集的控制和usb傳輸功能;之後是usb設備驅動程序的開發和基於labview的虛擬儀器應用程序的設計。
  16. The introducing of control techniques of virtual instrument ( vi ) in the calibration system by this thesis not only makes the costly instruments is not necessary, but also make use of computer to control the calibration system and acquire, analysis, handle and save output data of piezoelectric accelerometer

    論文引入了虛擬儀器控制技術到校準系統中，不僅可以省去了相對昂貴的多的實際測量儀器，而且還利用了計算機對整個校準系統的自動控制，以及對壓電加速度傳感器的輸出信號數據的自動採集、分析、處理和保存。
  17. Then, the multidimensional pseudo excitation method is developed for nonstationary random vibration analysis of lattice shells under multi - support and multi - dimensional earthquake inputs

    在此基礎上，發展了多維隨機虛擬激勵演算法的理論，推導出了考慮多點、非平穩輸入時多維虛擬激勵法的計算公式。
  18. The main contributions of this thesis are : this thesis proposes an algorithm to build an efficient representation for large complex virtual environment from large set of reference images via pixel classification and obb technique ; this thesis proposes a hybrid representation of a complex scene by a combination of points and polygons

    該方法通過像素分類以及obb技術將整個龐雜的輸入數據重新組織為虛擬環境的有效表示；本文提出了一個點面混合的復雜場景表達方式，即以多邊形的方式表達場景中大的平面物體，而以點的方式表達場景中形狀復雜的物體。
  19. This dissertation grounds on the development of pattern i / o module, some key techniques including the design of a register _ based interface circuit and the data generating and sampling circuit are discussed explicitly. on the basis of virtual instrument software architecture, the programme of the instrument driver and application software are discussed detailedly. and some idea and experience developed by the author in the course of debugging and testing the circuit are discussed also

    本文立足於vxi總線自動測試系統圖形i / o模塊的研製工作，在vxi總線系統體系結構基礎上，介紹了vxi總線圖形i / o模塊介面電路和數據輸入輸出功能電路的實現方案;在虛擬儀器軟體構架visa的基礎上，根據測試任務完成了vxi總線圖形i / o模塊儀器驅動器和應用軟體的設計與編寫;對驅動程序調試過程中出現的問題，進行了較深入的分析，並提出了實際的解決措施。
  20. The main idea under controller design is damping model nonlmearities with control input to force the system dynamic into a linear sliding surface and utilizing dynamic filters to ensure the boundedness of states, inputs and outputs. the mismatched model uncertainties are suppressed with extra items in control input

    Dsc控制器通過對消系統非線性項，將系統動態驅至線性滑模態；引入動態濾波器，確保系統的狀態及輸入輸出有界，同時避免了對非線性模型多次求導帶來的復雜性；在虛擬控制輸入中利用附加項來克服不滿足匹配條件的不確定性。
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