磁向量 的英文怎麼說

中文拼音 [cíxiàngliáng]
磁向量 英文
magnetization
  • 磁 : 名詞1. [物理學] （磁性; 能吸引鐵、鎳等的性質） magnetism 2. （瓷） porcelain; china
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  1. Each segment of line current can be approximated as a hertzian dipole if each segment is much smaller then a wave length

    因此任意線電流在三度空間之三維向量電磁場即可以赫芝電偶極完整之遠場及近場近似合成之。
  2. Being a method of time - domain electrical magnetic surveying, the transient electromagnetic method ( tem ) can transmit first pulse electromagnetic field to underground making use of loop or electrical source and receive secondary induction field during of the pulse intermission

    瞬變電磁法是一種時間域電磁測量方法，是利用不接地回線或接地線源向地下發送一次脈沖磁場，在一次脈沖磁場的間歇期間，採用不接地線圈接收感應二次磁場。
  3. Promax tension ind corp has long sold and manufactured a variety of custo mized air shafts / air chucks / safety chucks, edge position control systems / epc, powder / air / disk brakes and clutches, ac / dc motor control systems, re - winding / un - winding systems, tension control systems, web inspection systems, automatic color register systems, servo - vector control systems, mmi interface and supervisory control and data acquisition ( scada ) systems and others such as slitting, winding, laminating, extruding, coating, and gravure printing machines, even other auxiliary devices etc. for webs such as paper, films, rubber, textiles and foils

    本公司長久以來已經從事製造及銷售有關紙類，薄膜，膠片，紡織品，橡膠等薄片卷材的捲筒物控制糸統周邊設備，諸如氣漲軸，氣漲/安全夾頭，邊緣追蹤器裝置，磁粉/氣壓/碟式煞車器及離合器，交直流轉矩馬達控制系統，收放料車動系統，張力控制裝置，印刷機靜態觀測器，自動套色控制裝置，伺服向量控制系統，人機介面及監控系統及其他有關印刷，貼合，分條，復? ，塗布，上膠，押出，淋膜等產業機械
  4. It uses modulated waveforms and directive antennas to transmit electromagnetic energy and extract target information from echoes

    雷達使用調制的波形和定向天線發射電磁能量，並從回波中提取目標信息。
  5. The poynting vector that represent the flow of electromagnetic power density on a sphere from a linear dipole antenna is approximated by the summation of the field of segmented line current as hertz dipoles

    以赫芝偶極之電磁場合成任意長度偶極天線在球面上電磁功率密度流之時變玻因亭向量。
  6. The 3 - d vector and pattern of electromagnetic field and power density on a sphere from an array of time harmonic current

    弦變線電流陣列在球面上電磁場及功率密度流之時變向量與三維場形。
  7. Secondly, the signature of ship ' s magnetic field is simulated on the basis of the precious work. the adaptive weight vector method is used to detect the signal of magnetic field

    接下來，本文利用艦船磁場的建模理論，模擬了磁場通過特性曲線，利用自適應權向量方法對模擬的艦船磁場微弱信號進行檢測。
  8. Some research about sensorless control of induction motors in recent years has been introduced in chapter one. in chapter two, a field - oriented control system with current regulator and voltage source inverter ( vsi ) is presented firstly, which is proved in theory that the voltage feed - forward decoupler can be omitted, the good decoupled control properties of flux current and torque current is also validated by experiments with speed - sensor based on f240dsp real system

    論文第二章從異步電機的基本數學模型入手，介紹了一種基於轉子磁場定向的帶電流內環控制的電壓型逆變器輸出閉環矢量控制結構，在理論上證明了該模型可省略電壓前饋解耦環節，採用f240dsp晶元構建的帶速度傳感器實驗系統驗證了其定子電流勵磁分量和轉矩分量有良好的解耦控制特性。
  9. 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。
  10. One of these patches has normally directed flux ( in the same direction as the overall dipole field in that hemisphere ) ; the other has the opposite, or reversed, flux

    斑塊之一具有正常方向的磁通量（與該半球整體的偶極方向相同） ；另一個斑塊的通量方向則是相反的。
  11. Secondly, some recently research results and some unsolved problems about the magnetic vector potential a, electric scalar potential and magnetic scalar potential of the transient eddy current formulation are deeply analyzed in the paper and the magnetic vector potential a is chosen to calculate the specified physical model discussed in this paper

    其次，概括地分析了國內外對向量磁位（ ? ） 、標量電位、標量磁位的研究現狀及存在的問題，在此基礎上，確定用向量磁位（ ? ）來計算永磁操動機構的物理模型，並證明在二維非線性情況下，庫侖規范自然滿足。
  12. Abstract : one of the unsolved problems of the high power application of high temperature superconductors is how to lower the energy dissipation induced by flux motion. due to the extremely high anisotropy, small coherence length and weak pinning potential, the mixed state phase diagram which is tightly related to the flux dynamics becomes very complicated. a brief account is given of the field induced crossover of criticalities of energy dissipation, which has been observed in our recent sensitive electromagnetic measurement

    文摘:高溫超導體在強電方面應用的關鍵問題是如何克服磁通運動所造成的能量損耗.由於存在極強的各向異性、短的相干長度和小的磁通釘扎勢，因此與磁通運動緊密相關的混合態相圖變得很復雜.文章綜述了根據一系列靈敏的電磁測量所觀察到的磁場誘導的能量耗散行為的轉變
  13. The contact design provides two areas with nearly the same axial magnetic flux density distribution ( by amount ), i. e. two areas with equal conditions are given

    該觸頭設計提供了兩個縱向磁通量密度分佈（數值上）基本相同的區域，也就是說，給出了兩個條件相同的觸頭區域。
  14. Firstly, the voltage sample signals from ac exciter stator coil were de - noised and filtered by means of decomposition of the wavelet function. secondly, the character frequency region of the rotating rectifier fault was selected clearly with wavelet package decomposition and reconstruction

    先對交流勵磁機定子磁極線圈電壓采樣信號進行消噪濾波，再通過小波包分解和重構進行特徵頻率提取，建立了表徵旋轉整流器故障的特徵向量。
  15. There are four main parts in the paper, i. e. first of all, the dissertation studies the steady - state performance of repmsm with the theory of vector graph and equivalent electro circuit. characteristic of power angle, determinant of static of motor moving, losses and armature reaction are analyzed in this part

    論文研究稀土永磁同步電動機的穩態性能，結合向量圖和等值電路理論對稀土永磁同步電動機穩定運行進行了深入細致的分析，包括功角特性，電機運行狀態的判定，損耗和電樞反應等稀土永磁同步電動機自身具有的特點。
  16. Material recommend about the development and theory of dtc the composing of dtc - system is presented in this paper. some important taches such as flux - linkages adjuster, frequency adjuster, the mathematics model of asynchronous motor in - coordinates and the choice of voltage - vectors are discussed detailedly

    文章對直接轉矩控制方案的發展與理論做了具體介紹，根據理論確立了直接轉矩控制系統的結構組成，並對其中如磁鏈調節、頻率調節、在定子坐標系下的異步電動機數學模型、電壓向量選擇等重要環節作了詳細討論。
  17. A new fitting method for magnetic curve based on support vector machine in transformer emulation is presented. the method is applied

    摘要提出了在變壓器模型模擬中採用支持向量機進行磁化曲線擬合的新方法，並進行了應用。
  18. In some ways, an electron is just like such a spinning sphere of charge ? an electron has a quantity of angular momentum ( its “ spin ” ) and an associated magnetism, and in an ambient magnetic field its energy depends on how its spin vector is oriented

    就某種意義而言，電子可類比於一個旋轉的帶電小球：它帶有角動量（就是自旋）以及伴隨而來的磁性，而它的能量是由自旋向量與外加磁場的關系來決定。
  19. Abstract : the paper is mainly about the analysis of active mag netic bearing. the evaluation of pluralism vector is theoretically analyzed and m athematically proved by employing the frequency analysis method of pluralism, an d a thorough analysis of key factors is made which influence turning precision o f amb

    文摘:使用復向量方程和復數形式的二維傅立葉頻率分析方法對磁浮主軸回轉精度的評定進行了理論分析及數學論證，指出了影響磁浮主軸回轉精度的關鍵因素。
  20. The applicable principle of these four different reference frames is discussed comprehensively in aspect of small signal analysis and excitation law designs

    根據系統矩陣穩定性和狀態向量的區別，詳細討論了4種不同參考系在小擾動穩定分析和勵磁調節器設計方面的適用原則。
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