vector relative 中文意思是什麼

vector relative 解釋
相對向量
  • vector : n 1 【數學】向量,矢量,動徑。2 【航空】飛機航線;航向指示。3 【天文學】幅,矢徑。4 【生物學】帶...
  • relative : adj 1 關于…的,與…有關系[聯系]的。2 相對的;相關的;以(他物)為準的,相應的,成比例的 (to) 相...
  1. At first the paper begin to study the foundation of digital curved face and space meshing principle, introduce the basic knowledge of curve theory and curved face theory, explain the mathematical tools of vector turning and coordinate conversion in the paper ; analyse the motion and relative motion of rigid body, provide the condition of gear driving continuous contact and equation of conjugate meshing

    論文首先從參數化曲面和空間嚙合原理基礎出發,介紹了曲線論和曲面論的基本知識,對課題研究重的數學工具矢量回轉和坐標變換進行了說明;分析了剛體的運動和相對運動,根據空間嚙合原理給出了輪齒傳動連續接觸的條件和共軛條件方程。
  2. Coupled - mode theory ( cmt ) has been developed from the orthogonal cmt to the nonorthogonal one as well as from the scalar cmt to the vector one during these scores of years. it was applied extensively in guided - wave optics as an effective mathematical tool for the analysis of the coupling between the modes. however, as far as we know, there has not been any report of the rigorous vectorial cmt in the relative publication at home and abroad

    耦合模理論在這幾十年的發展歷程中,從正交耦合到非正交耦合,從標量耦合到矢量耦合,作為很有效的數學工具分析電磁場中的模式耦合,但據我們所知,嚴格的具有普遍適用性的非正交矢量耦合模理論還未見報道,因此耦合模理論還有待于進一步完善。
  3. The theoretical analysis and result of simulation indicate that the two - phase modulation reduces the switching losses 50 % relative to the quasi - optimum and the space vector modulation and overmodulation can generate higher voltages with low total harmonic distortion

    分析表明二相調制方法相對于準優化方法減少開關損耗近30 ,空間矢量的調制與過調制可以大大的提高直流母線電壓的利用率。
  4. This vector, including sbe2b gene, was 6. 06kb long, containing endosperm specific promoter and a intron that enhanced the transcript efficiency. both sense and antisense cdna were transformed to upregulate and downregulate amylose content and relative branching characters

    正向連接的表達載體用於增加胚乳中支鏈澱粉的含量,反向連接用於減少胚乳中支鏈澱粉的含量,增加直鏈澱粉的含量。
  5. They make sure the definite of the necw, the spread of the necw, the start time of the necw. above all, the study of the meso - scale system gives much help in analysis the necw. mr. shou shaowen studied the wet whorl q - vector divergence and relative whorl " in several rainstorms, which occurred in guizhou, and get some useful conclusions

    本文從一次東北冷渦的發生發展過程出發,利用9210系統廣播的實況數據及t213數值預報的再分析產品,研究討論了特定冷渦形勢下遼西地區暴雨的發生機制,對其產生暴雨時的相關物理量及診斷量進行了分析。
  6. The coordinate system of turning polyhedron movement was selected and its vector model was established by way of analyzing the vector, and based on that, the vector expression of describing turning polyhedron movement was deduced, then the vector formula of the relative movement and the vector formula of the path of the lathe tool were built

    摘要通過矢量分析,選擇了車削多面體運動的標架,建立了車削多面體運動的矢量模型,在此基礎上給出了描述車削多面體運動的矢量表達式,建立了相對運動的矢量公式和刀尖軌跡的矢量公式。
  7. This strategy has many advantages : solving the problems that the system is unsteady under super - synchronization ; improving power factor of stator ( it is unity relative to that of rotor ) ; no rotor position sensor and no initial position measurement, easily building up doubly fed speed adjustment system with speed sensorless because adjusting speed is taken in the rotor coordinate and rotor current vector fixing is implemented

    該方案由於引入了定子電流勵磁分量的閉環控制,使系統同時具有轉速和勵磁調節兩個調節通道,具有如下優點:一、解決了超同步工作工況不穩定的問題;二、提高了定子側的功率因數(與轉子側功率因數為1相比) 。三、由於速度調節在轉子坐標系下進行,並以轉子電流矢量定向,所以無須轉子位置傳感器,也不用檢測初始位置,易於組成無速度傳感器雙饋調速系統。
  8. Based on the lorentz transformation on especial condition, making use of coordinate transformation and matrix theory, the matrix expression and vector expression of lorentz transformation about two inertial frames that relative speeds orientation is random and isnt follow axes of ordinate are educed. 2figs., 3refs

    從特殊情況下的洛侖茲變換出發,利用坐標變換和矩陣理論,導出了兩個慣性系的相對運動速度取向任意,且不沿任一坐標軸洛侖茲變換的矢量表達式和矩陣表達式.圖2 ,參5
  9. After vector transformation control is presented, the ac machines control technology can theoretically solve the problem on the static and dynamic performance relative to the dc technology

    繼1971年矢量變換控制技術出現之後,交流傳動技術就從理論上解決了交流調速系統在靜、動態性能上與直流傳動相比所存在的問題。
  10. Spin tropism relative to regional magnetization vector will affect its transporting property. the discovery of gmr effect pioneered the new subject which is called magnetoelectronics

    自旋相對于局域磁化矢量的取向將影響其輸運性質,巨磁電阻效應的發現開辟了磁電子學這一新的學科和研究領域。
  11. They indicated that ecbp21 may have some relative with the response to stress treatments. further more, we constructed the binary vector containing ecbp21 - gfp chimeric gene and got transgenic plants by using the agrobacterium vacuum infiltration method

    4 .初步開展了轉基因研究:為了進一步確定ecbp21在植物生長發育過程中的作用,構建了ecbp21植物表達二元載體,通過真空滲透法轉化了擬南芥並獲得了轉基因植株。
  12. From the mapping relationship between information vector matrix and relative vectors, rough approximation, attribute relative reductions and selecting optimal attribute reductions set algorithms based on binary vector matrix were proposed

    摘要根據向量矩陣與向量之間的映射關系,研究了基於二元向量矩陣演算法的粗糙近似、屬性約簡以及最優屬性約簡集的獲取。
  13. Space vector modulation technology with many advantages relative to spwm, such as nice dynamic response ability, high utilization ratio of dc bus voltage, and convenience of composing digital control system, is adopted to control the asvg

    由於電壓空間矢量調制( svpwm )具有動態響應速度快、直流側電壓利用率高以及便於數字化控制等優點,故以此作為asvg的控制方法。
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