虛零點 的英文怎麼說

中文拼音 [xūlíngdiǎn]
虛零點 英文
false zero
  • 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...
  • 零 : Ⅰ數詞1 （零數） zero2 （數的空位） zero sign （0）; nought 3 （表示沒有數量;無） nil; nought 4 （...
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  • 零點 : null point; zero end; zero point; zero; zero hour; null （函數或曲線的）零點標準（額） the nil no...
  1. It shows that any zero must be pure imaginary.

    它證明任何的零點必須是純虛數。
  2. In general, a precise resistor is in series with one of the resistors in wheatstone bridge to compensate the zero offset, and the other one is in parallel with another arm of the wheatstone bridge to compensate thermal zero drift. based on this principle, in this paper, a compensation method based on virtual instrument technology has been put forward. actuated by current source, a good calculation method of compensation resistors and their position in the bridge is deduced

    本文基於串並聯電阻補償法的原理，提出了一種基於虛擬儀器的誤差補償方案，推導了在恆流源供電下可以精確的計算出補償電阻大小和補償位置的演算法，並且在虛擬儀器軟體平臺labview上完成了數據採集、處理、顯示等軟體的設計，經過實驗的驗證，對傳感器的零點溫度漂移補償取得較好的效果，而對靈敏度溫度漂移的工藝補償亦有一定的效果。
  3. The symmetric values about the imaginary axis of zero - poles which the unstable process lies in the open and closed right - half plane are defined as their mirror - injection

    非穩定過程在開右半平面的零極點關于虛軸的對稱值稱為該零極點的鏡像映射。
  4. The advantage is that it can be used to directly calculate the real physics quantities in an economic way. in this way, we need n ' t perform the analytical continuation from the result in the itf. this new rule has the following property ; the vertex is only related with the coupling constant and independent of the orientation of the momenta, one half of the vertex components vanish

    它的優點在於能直接計算與實際物理相關的觀測量，不用象虛時溫度場論中做計算后再作解析延拓，使得計算得到一定的簡化，並具有如下特點：頂角函數只與耦合常數相關，獨立於外線動量方向，而且一半的分量為零。
  5. This paper uses " virtual neutral point method " to measure the " zero crossing ", then the soft deal " zero crossing " to get the six key position to commutate

    本文採用虛擬中點的方法來識別反電勢過零點，然後對過零點進行處理得到無刷電機換向的六個關鍵位置。
  6. The chip jk3ce that is one of micro - controllers in motorola 68hc08 family is used as control unit in this system. the zero crossing point of the back emf can be obtained by comparing the terminal voltage with the virtual neutral point, then using the software of the system can figure out the commutation period. the electronic commutation replaces the mechanical commutation in this way

    本系統採用的控制晶元為motorola系列單片機中的jk3ce ，反電勢過零點可以通過比較電機端電壓和虛擬中點電壓來得到，將過零點信號送往單片機捕捉埠後由系統軟體來確定換相時刻，這樣就可以由電子換向裝置替代機械換相裝置，有利於提高系統運行的可靠性，並降低了系統維護的費用。
  7. 4. problem of circular array ’ s high side - lobe ( relative to main - lobe ) and the lower depth of zeros is resolved using mode space transform, which changing uniform

    4 .利用模式空間變換將均勻圓形陣列轉化成虛擬的均勻線陣，解決了圓形陣列副瓣電平較高（相對于主瓣） 、零點深度相對較淺的問題。
  8. In the process of vd i adopt parameter design and variable design to different workpieces to set 3 - demention model

    在虛擬設計中，針對零部件加工工藝和應用的不同特點，分別採用參數化設計和變量化設計對檢測系統零部件進行3d建模。
  9. In order to implement the modeling of reconfigurable virtual machining environment, an efficient virtual machining environment hierarchical modeling method supporting reconfiguration is put forward based on analysis of requirements and characteristics of reconfigurable 3d virtual machining environment modeling. four subjects of the modeling of reconfigurable virtual machining environment including geometry modeling of reusable part and component, simulation modeling of reusable part and component, modeling of virtual machining device and design of data management system in reconfigurable virtual machining environment are studied and configured by object - oriented method in detail

    為解決可重構虛擬加工環境的建模問題，本文在全面分析可重構虛擬加工環境的建模需求和建模特點基礎上，提出了可重構虛擬加工環境層次建模方法，將可重構虛擬加工環境的建模分解成為四個子專題：可重用的零部件幾何模型的建立、可重用的零部件模擬模型的建立、虛擬加工設備的建模、支持重構的虛擬加工環境模型數據庫的設計，並分別對之進行了詳細的分析設計。
  10. On the assumption of ignoring the distortion of thickness, this paper determines the rough shape by the geometric modeling method of equal area developing using mixed mesh cell of triangle and quadrangle for the first time, presents the equal area developing arithmetic of quadrangle - triangle. on the virtual geometric symmetry axis, we puts forward the method of determining the developed coordinate of the point on the base band in the development of using regular quadrangle cell, determines the developed shape of internal structure in plane utilizing point - to - point mapping theory. furthermore, we realize the approximate developing of undeveloped - irregular boundary surface using a few triangle cells

    本文結合型號研製中小曲率機翼整體壁板類零件坯料展開課題，基於板料厚向變形忽略不計的先驗假設，首創混合四邊形-三角形網格等面積展開的幾何模擬法確定壁板類零件毛坯外形，給出了混合四邊形-三角形網格等面積展開演算法；提出了虛擬分割線的概念，採用虛擬幾何對稱軸，給出了規整四邊形單元展開基帶上結點的計算方法；採用映射原理和求交演算法確定了壁板內部結構信息的展開定位。
  11. In detailed work of visual assemble design, according to organization of crane ’ dolly, author applys bed assembly technology by secondary development of soli - works, that means small assemblys assembled first then big organs and the whole dolly last. we can modify the assemble or parts ’ parameter and replace parts in time by designing user dialog box. meanwhile, the paper contains development of assemble collision detection. algorithmic efficiency has a close connection with running speed

    本文在進行虛擬自動裝配開發時，根據起重機的機構組成特點，採用分層裝配的規劃設計思路，先由單個零件組裝成小部件，再由小部件組裝成大部件，最後將各部件組裝成整臺起重機小車。裝配中的關鍵技術是利用輔助特徵構造裝配選擇集和簡化裝配零件數量。
  12. Parallel kinematic mechanism ( pkm ) has notable features of reduced mass of moving parts and thus increased acceleration reserves, in addition to that, pkm allow the implementation of modular construction methods and a clear improvement in the quality of the machined surface

    並聯機構具有運動質量小的顯著特點，因此應用並聯機構的虛擬軸機床能提高加速能力，顯著改善加工表面質量，而且機床由於能採用許多相同的零部件而降低了生產成本。
  13. The volume of sweeping is calculated for evaluating the necessary assembly space. in chapter 4, several characteristics of collision detection are clarified. based on layered envelops bounding box and subdividing the set of the possible interference components step by step, swiftly dynamic interference checking is carried out

    第四章分析了虛擬裝配中干涉檢測的特點，通過不可能干涉對象的快速篩選、基於零件級和裝配體級多層次包圍盒樹的方法、通過基本幾何元素之間精確相交測試，實現了零件靜態干涉檢測、運動零件與虛擬裝配環境中環境對象間的動態干涉檢測方法。
  14. This system can recognize the accessory and reconstruct the 3d position of the character points during manufacture process using computer vision methods. meanwhile, it can show the assemble aid information based on vr technology. this system can also support two cameras inputting stereoscopic images in real - time and synchronously

    該系統利用計算機視覺的方法，對裝配生產過程中的零件進行目標識別和特徵點三維位置的重構，同時提供基於虛擬現實技術的裝配幫助信息vr顯示，支持雙攝像頭立體圖像實時同步輸入和有限詞匯理解的用戶語音交互（包括識別與合成） ，並建立了多模式多代理的人機交互介面。
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