虛擬變數 的英文怎麼說

中文拼音 [xūnǐbiànshǔ]
虛擬變數 英文
dummy variable
  • 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...
  • 擬 : 動詞1. （設計; 起草） draw up; draft 2. （打算; 想要） intend; plan 3. （模仿） imitate
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 虛擬 : 1. （虛構的） invented; fictitious 2. （假設的） suppositional; 虛擬語氣 [語言學] subjunctive mood
  1. Indeed, it is easy to imagine some sad fellow spending the morning pretending to be a polyglot professor on wikipedia, and then becoming a buxom red - head on “ second life ”, a virtual online world, in the afternoon

    毫無疑問地，這非常容易讓人想象到在維基上的某些可悲的傢伙上午自稱為通曉數種語言的教授，下午在第二生活? ?一在線虛擬世界? ?就變成健康豐滿的紅發人。
  2. 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。
  3. Sequentially, the author discussed the technologies of medical image 3d visualization according to the clinical applications. with the development of computer, 3d visualization and computer graphics, the 3d visualization of medical images has progressed from fourier transform and convolve inverse projection to mpr ( multi - planar reformation, mpr ) and mtp ( maximum intensity projection, mtp ), nowadays, the real 3d reconstruction method, surface and volume rendering has risen. the image registering, image segmentation, pixel data set construction and 3d special interpolation are the key technologies in medical images 3d reconstruction

    隨著計算機技術、三維可視化理論和計算機圖形學的發展，醫學圖像的三維可視化技術也從傅立葉變換、卷積反投影等基本圖像處理演算法，發展到真正的三維重建演算法：面繪制和體繪制；醫學圖像的三維可視化技術的應用也從三維醫學成像發展到虛擬內窺鏡，以及今天的虛擬可視化人體研究；而圖像的配準、圖像分割、體數據集的構建、三維空間插值則是醫學圖像三維可視化實現過程中的關鍵技術環節。
  4. Considering multiplicity of automobile model style, more research about the external flow field of the automobile model by choosing different collocation and changing the detail about the foreside of automobile body was carried out

    2 、考慮到車頭形式的多樣性，選擇汽車車頭的不同布置和相關細節變化。將汽車車頭模型在虛擬流場中進行外流場的數值模擬，進一步進行分析研究，得到不同車頭形式所具有的各自特點。
  5. According to the characteristics of recent publications, the paper discusses the cataloguing for western language materials from several facets, that is, the description of multimedia documents based on usmarc, some changes under the impact of usmarc format integration, virtual resource cataloguing, and provide measures ensuring the quality of bibliographical data sharing and online cataloguing

    文章針對近年來出版文獻的特點，探討多媒體文獻的著錄方法、 usmarc格式一體化前後格式的變化及其編目應用、虛擬資源編目的解決方案，進而提出保證編目數據共享和聯機編目質量的一系列措施。
  6. [ english abstract ] according to the characteristics of recent publications, the paper discusses the cataloguing for western language materials from several facets, that is, the description of multimedia documents based on usmarc, some changes under the impact of usmarc format integration, virtual resource cataloguing, and provide measures ensuring the quality of bibliographical data sharing and online cataloguing

    文章針對近年來出版文獻的特點，探討多媒體文獻的著錄方法、 usmarc格式一體化前後格式的變化及其編目應用、虛擬資源編目的解決方案，進而提出保證編目數據共享和聯機編目質量的一系列措施。
  7. This article is divided into four parts : part one emphasizes the common theory that corporate governance structure figures out the agent problems caused by the separation of ownership and control power, and sets forth correlative research done by domestic and foreign scholars from the relationship between centralization degree of ownership and performance, the relationship between incentive of senior managers and performance, and the relationship between board and performance. and puts forward some deficiencies in domestic research, for example, the select of performance is bald ; most research methods are cross section analysis, there is little research basing on both time serial and cross section datum ; and there is little research have the inside and outside corporate governance factors in the selection of corporate governance structure indexes

    描述性分析介紹了我國上市公司治理結構的現狀;通過公司治理變量的線性組合，採用主元分析法來構造反映公司治理水平的指標z ，並由此z指標回歸經營績效指標得出公司經營績效與公司治理的整體效果有相同方向變化的結論;變量之間的相關關系揭示了這些變量之間關系的合理信息;面板數據結果顯示:第一大股東持股比例、國有控股虛擬變量與經營績效負相關;第二至第十大股東股權集中度、董事會持股比例和總經理持股比例與經營績效正相關。
  8. 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。
  9. 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。
  10. In order to overcome the difficulty mentioned above, this paper provides an improved heat transfer equation and a mended bem for the problems. first of all, the enthalpy and the " virtual temperature " are introduced into the paper to eliminate several mutative thermophysical properties in the heat transfer equation. secondly, the movement of the boundary between the solid and liquid phases in the billet is educed by virtue of the laplace transform

    這些改進包括：引入熱焓和「虛擬溫度」的概念，對非常數的熱物性參數進行整合：充分考慮鑄坯凝固潛熱釋放帶來的影響，利用「溫度回升法」來加以處理；利用拉氏變換和反拉氏變換的原理來對凝固過程中鑄坯內部固液相界面的移動方程進行了推導和求解，在凝固過程中充分考慮鑄坯內部的固液兩相的影響等等。
  11. Several new physics experiments in 1998 were performed and analyzed to showthe subtlety of quantum theory, including the “ wave - particle duality ” and the nonseparability of two - particle entangled s tate. here it is shown that the measurement is bound to change the object by dest roying the original quantum coherence between the object and its environment. so the “ physical reality ” should be defined at two levels, the “ thing in itself ” and the “ thing for us ”. the wave function in quantum mechanics is just playing the role for connecting the two levels of matter via the fictitious measurement

    在1998年完成和分析的幾個新的物理實驗顯示了量子理論的微妙性，包括「波粒二重性」以及二粒子纏結態的不可分性.本文的分析表明：測量在破壞原來存在於客體及其環境間的量子相干性時必然要改變客體.因而「物理實在」應在兩個層次上定義： 「自在之物」與「為我之物」 .量子力學中的波函數則正起了通過「虛擬的測量」將這兩個層次的物質聯系起來的作用
  12. Abstract : several new physics experiments in 1998 were performed and analyzed to showthe subtlety of quantum theory, including the “ wave - particle duality ” and the nonseparability of two - particle entangled s tate. here it is shown that the measurement is bound to change the object by dest roying the original quantum coherence between the object and its environment. so the “ physical reality ” should be defined at two levels, the “ thing in itself ” and the “ thing for us ”. the wave function in quantum mechanics is just playing the role for connecting the two levels of matter via the fictitious measurement

    文摘:在1998年完成和分析的幾個新的物理實驗顯示了量子理論的微妙性，包括「波粒二重性」以及二粒子纏結態的不可分性.本文的分析表明：測量在破壞原來存在於客體及其環境間的量子相干性時必然要改變客體.因而「物理實在」應在兩個層次上定義： 「自在之物」與「為我之物」 .量子力學中的波函數則正起了通過「虛擬的測量」將這兩個層次的物質聯系起來的作用
  13. Data processing software is designed for tbs - 2000 strain measuring system in the classical virtual instruments engineering workbench ; it is applied to process the data which are acquired in the way of dynamic stress analysis, statistic stress analysis and proper frequency analysis

    利用虛擬儀器的典型開發平臺labview針對tbs ? 2000應變測試系統開發了數據處理軟體；利用該數據處理軟體對測試所得的數據進行了動、靜應力分析和固有頻率分析。
  14. The test instruments based on this method are highly precise, but costly. the author develops a grounding measurement system of substations based on the virtual instruments, which uses labview as the development software and adopts the small electric current method. the fft method is used to process the measurement data, which can decrease the measurement error

    本文作者研製了基於虛擬儀器的變電站接地網接地測量系統，該系統以labview為軟體開發平臺，採用小電流測試法，並利用快速傅立葉變換方法對測試信號進行數字濾波處理，提高了該系統的信噪比。
  15. In the paper we amply introduce the logical structure and design of software and hardware of the virtual multi - channel instrument system for temperature measurement. applying the object oriented programming ( oop ) method, center control module, transmitter demarcating module, channels and scopes module, data collection and process module, data analyze module, data display module, data redisplay module, print module and the other auxiliary functions are designed, which realize the collection, process, analyze and display of the powerful virtual instrument

    在本文中，作者詳細介紹了虛擬式多通道溫度測試儀系統的邏輯結構和軟硬體設計，運用面向對象（ oop ）的軟體設計方法，通過中心控制模塊、變送器標定模塊、測溫通道和測溫范圍設置模塊、數據採集與處理模塊、數據分析模塊、數據顯示模塊、數據回放模塊、列印輸出模塊和其他輔助功能模塊的設計，實現了對溫度信號進行採集、處理、分析和顯示的功能很強的虛擬測溫儀器。
  16. Bases on living mode in the digital era, with digital technology " s application in architecture field and its effects on traditional architecture system as main line, through analyzing and comparing the relation between virtual space and physical space, this article discusses the transformation of architecture concept from physical space to virtual space and its developing trend. it also discusses some of the features of virtual space

    本文以人們在數字時代的生存模式為基點，以數字技術在建築領域中的應用和對傳統的建築體系的影響為主線，通過分析和比較虛擬空間和實體空間之間的關系，討論了建築概念由實體空間向虛擬空間的轉變和發展趨勢，同時也就虛擬空間的某些特性作了一定的論述。
  17. 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。
  18. In ship steering controller design, the nonlinear ship model should be written in siso strict feedback form. we start the recursive design with the system first state variable and continue with the second one. by introducing a change of coordinates, we choose lyapunov functions to stabilize the system and obtain the control law

    在船舶航向控制方面，考慮船舶的穩態回轉非線性，應用backstepping方法設計：首先把系統化成單入單出的嚴格反饋控制形式（呈下三角結構） ，假設系統后一個狀態變量是前一個狀態變量的虛擬控制，通過適當的變量代換，在每一步構造李亞普諾夫函數，使前一子系統在虛擬控制下漸近穩定，逐步遞推出控制器控制規律，使整個系統在平衡點滿足一致漸近穩定性。
  19. The constitutions and principles of position of gps > glonass and beidou navigation system are described all around in this article, and the following technologies are studied and realized : communication between com ports with oop technology, compound navigation with gps and glonass. calculate velocity, pseudorange difference, smoothing pseudorange with the carrier - phase and models to correct error are also done ; the transforms between wgs - 84 and pz - 90, as well as wgs - 84 and beijing54 coordinate system ; the technologies to display and manage bitmap, vector map based on mapx also ; conversion of data formats between gjb and mif data format of maplnfo corp. arithmetic of creation dem data based on contour line data from 1 -. 25000 map data with gjb format. texture the surface of terrains with corrected aviation image

    本文全面介紹了gps 、 glonass 、北斗導航系統的組成、定位原理，研究並實現了面向對象的串口通信技術、 gps + glonass組合導航、測速及偽距差分、相位平滑偽距差分以及有關誤差的模型改正、 wgs ? 84和pz ? 90 、 wgs ? 84和北京54坐標系的坐標轉換、柵格地圖的顯示和管理、基於mapx的矢量地圖的顯示和管理、 1 : 25萬軍標數據和mapinfo的mif數據格式雙向轉換、基於軍標數據的dem生成演算法、基於opengl的三維地形構造、航空圖像紋理地形表面、三維坐標量算、虛擬現實模擬導航、三維地形的層次細化演算法以及數字圖像處理中的圖像增強、幾何變換、影像匹配等技術。
  20. Through researching these characteristics of real - time data received deeply, some good measures are put forward and accepted to improve the fault - tolerance performance of the fault diagnosis system in the thesis, such as advance disposing of real - time switch information and instauration of dummy switch etc. based on the data information received, three starting arithmetic is developed in the thesis

    本文在深入研究決策系統接收到的實時數據信息特點后，針對不同的情形進行不同的處理，它們是：對故障前後信息及故障時跳閘開關信息的確定、實時開關變位信息的預處理、虛擬開關的設立等。從投入現場運行以來，這些處理方法取得了良好的預期效果，提高了故障診斷系統的容錯性和抗噪聲能力。
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