磁力曲線 的英文怎麼說

中文拼音 [xiàn]
磁力曲線 英文
magnetic curve
  • : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 磁力 : [物理學] magnetic force; force on charge
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. The tem shows lots of nano silica particles circumfuse on the surface of the micro fe particles after the micro fe coated by silica. the sem analysis shows the same result. the vsm shows the micro fe particles have almost no remnant magnetism and coesive. the saturation magnetization decrease with the feed content of teos remenant magnetization and coesive are little

    隨著teos的投料的增加,材料飽和化強度呈下降趨勢,微米粒子通過原點,表面包裹后,剩與矯頑變化很小對于微米鐵粉,其疇變化較快,沒有剩與矯頑
  2. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直感應電機進行了深入細致研究,內容包括: ( 1 )本文採用有限長行波面電流作用於有限長鐵芯上的模型,引用了氣隙場一維解,研究了單層繞組場,奇數極半填槽雙層繞組在採用整距和短距時場的分析、比較,簡單介紹了二維解; ( 2 )用有限元軟體ansoft對大圓環直感應電機空載氣隙場進行了靜態分析,並分析了結果; ( 3 )用軟體進行了額定電壓下的瞬態分析,得到了轉矩,位移,轉速隨時間變化圖,利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較,採用等效電路法計算了堵轉時的最大電並做實驗進行了驗證,由實驗測得了三相電流波形,並與計算結果進行了比較,對其不對稱性進行了定性分析。
  3. The primary of linear induction motor which drives the metro is installed on the chassis bogie, and because it is quite strict with laying down railway rail to use flat linear induction motor to drive metro, its secondary - - - - reaction board ( called induction board ), which is a kind of compound board of aluminum and steel, is fixed on the rail sleeper between the track. it is the airgap which is a gap between the primary and secondary of lim. the electromagnetic airgap is a very important parameter of lim

    利用有限元法對直感應電動機二維非性渦流場進行了數值計算,並在此基礎上,運用電場有限元分析的專用軟體ansoftmaxwell2d對單邊型直感應電動機的瞬態特性進行了模擬分析,得到電機運行過程中的電、法向、初級電流、氣隙密等,通過改變直電機參數,分析了電機氣隙對其瞬態性能的影響。
  4. The research team led by breiter used magnetic resonance imaging to map the brain responses of 12 men while they participated in a game of chance involving winning or losing money

    由布萊特領導的研究小組使用共振繪圖法,得到了12個人在參加一次賭博游戲中大腦的反應
  5. This dissertation put forward a method of eliminating noise and reconstituting broken wires signal and inquired the space - frequency range of the signal ripple resulted from tensile stress on the mfl signal curve

    提出了去除干擾重組斷絲信號的方法,分析了漏上應波紋的空間頻率分量。
  6. Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed

    論文首先分析了風機運行特性及其最佳風能利用原理,通過模擬及實驗驗證了採用直流電機的輸出特性模擬風機的最大輸出功率的可行性,並給出了模擬系統的硬體結構;然後為了實現交流勵發電機有功、無功功率獨立調節機理,分析了交流勵雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆頻風發電時必需的定子鏈定向矢量控制策略;針對雙饋發電機轉子能量雙向流動的要求,提出並設計了具有能量雙向流動能的雙pwm交流勵用變頻器;最後為實現從理論到實踐的全面研究,研製出了一套小功率完整的雙pwm變頻器交流勵的雙饋風發電機實驗系統,進行了空載、並網、同步速及上、下的發電運行等一系列的運行實驗;所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確性、可行性。
  7. Test method for magnetic properties of high - coercivity permanent magnet materials using hysteresigraphs

    使用繪制儀測試高矯頑材料性能的方法
  8. In addition, the characteristics of critical current of hts tapes in ac applied field and that of voltage - current curve when transport ac currents were studied. the problem on the criterion of ac current carrying capacity of hts tape was discussed, and some suggestion on the criterion of ac current carrying capacity were proposed

    另外,對高溫超導帶材在交流背景場下的直流臨界電流特性,及超導體傳輸交流時的流?壓特性進行了實驗研究,並對高溫超導帶材的交流最大載流能的測量判據問題進行了探討,給出最大交流載流電流測量判據的建議。
  9. The rotation of the earth causes the buoyant fluid to rise in curved trajectories, which generate new magnetic field by twisting and shearing the existing magnetic field

    地球的旋轉使有浮的流體按軌道上升,這通過扭和剪切已經存在的場而產生新場。
  10. In this thesis, based on mathematic model and real condition, analysis and compare of different control methods are carried out at first. then a propriety control law and optimized parameters are choosen and used into multi - body model in simpack. finally, kinds of dynamic character curves after measurement and calculation are given

    論文首先在數學建模的基礎上,根據實際情況,詳細分析對比了直接狀態反饋控制、 pid控制和狀態觀測器控制等常用的浮列車懸浮控制方法,然後將合適的控制規律及優化的控制參數用於simpack中的多體模型,通過計算,給出懸浮穩定性、運行平穩性以及列車通過等動學特性
  11. After the discussion of the numerical simulation method based on the fdtd method and the pml technique, the motions of the charges and the electrical field lines were first employed to describe the radiation procedures of the pulse electromagnetic waves. then the causes of how the charges are accelerated and how the motion status of the charges are maintained were further studied from the angle of interaction of charge and field. after these analyses, it was pointed out that the pulse radiation is due to the suddenly occurred time - varying electrical field ( displacement current ) in the open space. this view was further evidenced by two examples : one is the partly resistance loaded antenna, the other is the partly curved antenna. the radiation procedures of the pulse electromagnetic waves of many different situations were simulated throughout this paper with the contours and waveforms of electric field given. these figures are very helpful to the understanding of the radiation mechanism of the pulse electromagnetic waves

    在討論了基於時域有限差分法和完全匹配層技術的數值模擬方法之後,首先從運動電荷和電的角度直觀地描述了脈沖電波的輻射過程,然後進一步從場與電荷相互作用的角度分析了天上電荷是如何被加速以及如何維持其運動狀態的,指出了開放空間中突然出現的時變電場(位移電流)是脈沖電波輻射的根本原因.文中還對局部電阻加載的天和局部彎的天進行了研究,以進一步說明上述觀點.對多種情況下的脈沖輻射過程進行了數值模擬,並給出了電場的等高和空間波形圖,這些圖形對理解脈沖電波的輻射機理非常有益
  12. Then, according to the established structure, the parameters of the optical switch were modeled and optimized. the thickness, roughness, verticalness of the mirror was analyzed and designed. finally, the rectangular magnetic material was selected for the electromagnet thirdly, the parameters were optimized by ansys software and the performance of the optical switch was analyzed

    首先根據電鐵的非性特性和梁的抗彎性特性,設計出驅動懸臂梁式光開關結構,然後根據提出的結構,從理論上對懸臂梁的參數進行模擬分析選出合適的懸臂梁參數,緊接著分析平面鏡的厚度、表面粗糙度、垂直度對光開關性能的影響;最後對路系統,明確選擇具有矩形滯回的材料,設計出電鐵的結構。
  13. Meanwhile, the characteristics of giant magnetostrictive materials, such as lengthen and shorten, magnetic - mechanical coupling, pressure stress, temperature and so on, are a little more systematically analyzed and elaborated, and corresponding curves and representations are given

    同時,較為系統地對超致伸縮材料的伸縮、機耦合、動態、壓應、溫度等特性進行了分析與闡述,給出其相應的及表達式。
  14. Magnetic force pump magnet couplings " universal energy equation is educed by analyzing of demagnetization curve, ways of reverting force calculating are introduced according to the equation when inside magnet rotor have axial direction and radial displacement, circumferential moment of magnetic force has been given, magnetic force pump alnico ' s axial direction length, circumferential length, radial thickness amounts are summarized with the analyses of experiment results

    利用退法,推導泵聯軸器能量通用公式,導出內轉子在軸向偏移和徑向偏置下產生的回復計算方法,周向傳動轉矩計算方法,結合試驗結果,總結推薦鋼軸向長度、周向長度、徑向厚度、極數設計方法。
  15. The perfect magnetic field resolution and finite partial analyzing are future magnet calculating ways, combining magnetic force pump alnicos " character, virtue of gradual change magneto gram and ways of analyzing planar magneto gram by finite partial are introduced, the ways of acquiring demagnetization curve are introduced and illustrated in details

    理想場的解析求解和有限元分析是計算的未來方向,本文結合鋼特點,介紹了漸變路的優點和利用有限差分法在求解二維場的思路和步驟,文中還總結了求解退的詳細方法。
  16. The second is that the upper computer receives the data sending by the communication software to realize the intelligent detection of net structure. the functions include the displaying of the channels of the data acquisition, the displaying of the curve of the acquiring data, the online and offline data analysis, the saving of acquiring data file, the data file management of hard disk and the configuration file ; the third is that it realizes the time analysis, fft and hilbert by intermixing visual c + + 6. 0 with matlab, which has the strong ability with data analysis, signal processing and graphic displaying, data processing and plenty of tools boxes. it implements these functions including fft and hilbert w ithout using matlab again in the environment of visual c + + 6. 0

    上位機監測軟體功能包括通道數據實時顯示、數據實時生成並顯示、實時數據分析、離數據分析、數據文件保存、盤數據文件管理及配置文件管理; ( 3 )使用visualc + + 6 . 0語言作監測系統的實時數據分析的軟體設計,並結合matlab的強大的數值分析、矩陣運算、信號處理和圖形顯示功能及其強大的數據處理能和豐富的工具箱使數據分析工具,脫離matlab環境,實現visualc + + 6 . 0和matlab混和編程,實現採集的數據實時以及離時域分析、傅立葉分析和小波分析。
  17. Conclusions can be drawn from the graph of brake torque change of the mrp brake : using different mrp, the brake torque varied very much ; with the same working diameter, the same width of working face and the same distance, the brake torque of plate mrp brake is bigger than that of cylindrical mrf brake ; in a certain range of temperature, temperature has little effect on the brake torque ; while working diameter and working distance of the brake has obvious effect on the brake torque, so in the design, these two parameter should be emphasized

    從制動器制動矩的變化得出:流變液不同,制動矩變化很大;在相同工作面直徑、工作面寬度和工作間隙的條件下,盤式流變液制動器的制動矩比圓柱形流變液制動器大;在一定的溫度范圍內,溫度對流變液制動器的制動矩影響不大;而制動器的工作直徑、工作間隙對流變液制動器的制動矩有明顯的影響,所以在設計中應重點考慮這兩個參數。
  18. A sensing magnetic field and displacement type of giant magneostrictive microdisplacement actuator with the functional of sensing driving magnetic field and microdisplacement is developed, and the design theories and approaches being applicable this type of microdisplacement actuator are pointed out : a circular diaphragm type of flexible construction that acts as integration mechanism of microdisplacement transferring and sensing of giant magnetostrictive microdisplacement actuator is adopted, sheet flexure theory of elasticity mechanics and approach of finite element are applied to design and calculate it, corresponding deflection and analytic formula and distribution curve of stress are given, and the specific achieving approaches of measuring principle and magnetic field sensing function of driving field in giant magnetostricitive rod are pointed out the magnetic field sensing function of the actuator is used to practically measure driving magnetic field of actuator and to obtain the relationship of driving magnetic field and coil current, which is also analyzed and studied

    其中,採用圓形膜片式柔性結構作為超致伸縮微位移執行器的微位移傳遞、感知一體化機構,應用彈性學中的薄板彎理論、有限元方法對其進行了設計、計算,並給出了相應的撓度和應解析式及分佈;應用電理論給出了超致伸縮棒內驅動場的測量原理及場感知功能的具體實現方法,並利用執行器的場感知功能對其驅動場進行了實際測量,得出了驅動場與圈電流之間的關系,並對其進行了分析和研究;對執行器內部的電路和偏置路結構進行了設計計算與實驗研究,為了減小驅動圈的發熱,對其形狀進行了優化設計。
  19. The results showed that the magnitude and shape of mfl vary with the change of wire rope tension. with the stress increment, the peak to peak values of broken wires reduce obviously and the total strength of mfl signal becomes weak and the ripple of mfl signal curve appears

    試驗研究發現,漏密度的大小及形態都隨鋼絲繩張的變化而改變,隨張增加,斷絲峰峰值明顯減小,漏信號的總體波動強度減弱,漏上有應波紋出現。
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