磁力分析器 的英文怎麼說

中文拼音 [fēn]
磁力分析器 英文
magnetic analyzer
  • : 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...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 磁力 : [物理學] magnetic force; force on charge
  1. Detection : carbon - sulfur analyzer, oxygen analyzer, glazing machine, rockwell ( vickers ) hardometer, profile projector, surfagauge, scan electron microscope, laser conductometer, magna - check, universal measuring instrument, metallograph and image analysis system, abrasion tester, universal test machine and other advanced analysis and detection equipment and instruments

    檢測類:碳硫儀、氧儀、試驗室用拋光機、洛(維)氏硬度計、輪廊投影儀、表面粗糙度測量儀、掃描電鏡、激光熱導儀、探傷機、萬能測量儀、金相顯微鏡及圖像系統、磨損試驗機、萬能試驗機及其它的先進的檢測設備和儀等產品類。
  2. The rheological equations, derived from n - s equation in hydromechanics employing the newton fluid model and the bingham plastic model, demonstrate that damping force can be controlled by changing the magnetic field in the gaps. 4

    流變學方程表明:改變阻尼通道的場強度可以控制流變阻尼的阻尼,從理論上路參數和阻尼通道的結構參數對流變阻尼阻尼的影響。
  3. Secondly, according to the character of this kind of harmonic, the solutions of power filter are deeply analyzed and an optimized topology for series connected hybrid power filter is obtained. by pwm technique, midfrequency transformer and the principle of the magnetomotive force ( mmf ) compensation, the problem to the transfer of the low - frequency harmonic power compensatory signal in the series apf is solved, in technique

    其次,針對acem系統特有的「電源諧波」特性,深入了濾波方案,得到了一種適用於acem系統諧波抑制的串聯混合型有源電濾波優化拓撲結構,並採用了pwm調制技術、中頻注入變壓勢補償原理有效地解決了串聯apf中低頻諧波功率補償信號傳輸的難題。
  4. Analysis on dynamic properties of magnetostriction actuator

    稀土超致伸縮材料致動的動學特性
  5. Thirdly, the paper discusses the driver of the peripheral equipment, how to port the uc / os - n and uclinux, h. 323 protocol and the application of the system in the digital speech classroom. also some software and hardware measure are adopted to enhance the system stability. at last, the shortcoming and the something to be improved are given. dsp can be used to realize real - time speech coding algorithm, and after porting ( ac / os - n, arm can manage the keyboard, the lcd and the ethernet peripheral etc. then the embedded network system with specific purpose can be used in others fields, such as pda, set of top, web tv, ect

    在實際設計實現中,為提高系統軟、硬體整體穩定性和可靠性,使用了以下幾種方法: ( 1 )低電壓復位、抗電源抖動能、增加時鐘監測電路、抗電干擾能、散熱等技術; ( 2 )多層pcb設計,線路板結構緊湊,電源部採用數字5v 、 3 . 3v 、 3v 、 1 . 8v和模擬5v多電源供電; ( 3 )選用表面貼和bga封裝的件; ( 4 )按照軟體工程的要求進行系統,規劃系統框圖、流程、模塊劃,減小了不同模塊的相關性,從而最大限度避免了錯誤的發生。
  6. In accordance with the driving characteristics of ac driving locomotive, the working status of its traction transformer is analysed. the questions that should be considered in the traction transformer design of ac driving locomotive are mentioned. these questions are the large short - circuit impedance of traction winding, higher harmonic current, over - excitation and dc magnetization caused by large variation of the network voltage, etc. some disposal methods are given

    針對交流傳動電機車的傳動特點,對其中的牽引變壓的工作狀態進行了,指出交流傳動電機車用牽引變壓設計時需考慮的牽引繞組的短路阻抗大、電流的高次諧波、網壓波動大可能引起的過勵以及直流化等問題,同時給出了相應的一些解決方法。
  7. Using piezoresistive accelerometers and magnetoresistance sensors measure the dynamic acceleration and geomagnetic field and through avr mcu software to calculate the attitude angular and azimuth. the fact of affecting the module is discussed in detail in this report and put forward the resolving scheme of key technology of digital filter, linear compensation, temperature compensation and magnetic field adjustment. the digital module has advantages of small size, light weight, low conception, high accuracy, all solid state and high reliability

    本課題採用壓阻式加速度計和阻傳感別測量重加速度和地場,通過avrmcu軟體解算出姿態角和方位角,課題詳細了影響模塊性能指標的因素,就數字濾波、線性補償、溫度補償、場修正等關鍵的技術問題提出了可行的解決方案,研製的數字化模塊具有體積小、重量輕、低功耗、精度高、全固態、高可靠等特點,所有性能指標均滿足設計要求,為姿態角測量提供了有效的手段。
  8. In order to improve the behavior of transformer protection that is incomplete at present in distinguishing magnetizing inrush current from fault current, the paper puts forward a kind of new principle of transformer differential protection after analyzing the characteristic of magnetizing inrush and active power consume of transformers. this protection uses differential protection based on positive sequence active power as a criterion to discriminate internal faults from magnetizing inrush, and ratio restraint differential current protection as a signal to touch off the protection

    針對當前電系統中變壓保護由於勵涌流鑒別理論不完善而導致的誤動率相對較高的問題,論文在了變壓涌流特性和有功損耗的基礎上,提出了用變壓正序有功功率差動作為區別勵涌流和故障電流的判據,並以成熟的比率制動差流保護作為內外部故障判據的變壓主保護。
  9. This thesis chooses b spline wavelet that adapts to the analysis of power system signal, and uses the wavelet transformer to analyze the magnetizing inrush current and inner fault current. a transformer microcomputer protection was designed in this thesis, and in the base of intermission angle principle, a new criterion was established, which pierces through the traditional method with accurate measurement of intermission angle, but analyses the wave by wavelet transform. this criterion is lower in hardware, so it will be realized in the existing hardware

    本文選擇適合電系統信號的b樣條函數作為母小波,對勵涌流和內部故障電流進行小波,並設計微機型變壓保護基本配置,在以往間斷角原理鑒別勵涌流的基礎上,突破傳統精確測量勵涌流間斷角的方法,直接對信號小波變換后的波形進行,建立一個新的鑒別勵涌流判據,該判據對硬體要求不高,可以在現有一般硬體平臺上實現;並編寫以b樣條函數為母小波的小波變換判據演算法程序。
  10. As the basic work of the designing and evaluating of fuzzy gpss, the mathematic models of simple hydro - electricity system stability analyzing and controlling are founded and summarized which include the linearized model of hydraulic system - hydoturbine based on the linearized model of hydraulic system considering elastic water hammer and the linearized model of francies turbine, two different linearized model of single - machine infinite - bus system ( k1 - k6 model and c1 - c12 model ), the nonlinear model of single - machine infinite - bus system based on three - order model of synchronous generator, the model of exciting system and the model of governor

    作為設計和評價水電機組模糊gpss的基礎,本文歸納建立了簡單水電系統穩定與控制的數學模型,它包括:計及彈性水擊的水系統線性化模型、混流式水輪機線性化模型以及在此基礎上的水系統?水輪機線性化模型;單機無窮大系統兩種詳細程度不同的線性化模型,即k _ 1 - k _ 6模型和c _ 1 - c _ ( 12 )模型;基於同步發電機三階模型的單機無窮大系統非線性模型;勵系統和調速模型等。
  11. In the forth chapter, the performances of mr dampers designed and fabricated at chongqing university have been tested in national center for test and supervision of coach quality, including schematics of damping force vs. displacement of piston head, damping force vs. velocity of piston head, etc. for some given electric currents of the coil. the experimental results demonstrate that damping force offered by mr damper consists of background damping generated by resistance of mr fluid and damping caused by magnetic field

    對不同勵電流條件下的理論阻尼與測試阻尼進行了比較,了產生誤差的主要原因;對阻尼產生溫度效應產生的主要原因進行了,提出了應該提高流變體的溫度穩定性;推導了流變體的感性和容性流動方程,從理論上流變體的感性和容性對阻尼特性的影響。
  12. Aims at the characteristic of the fiber winding and analyzed the change pattern of the tension and the factors that influence the tension in the process, designed a tension control system which main control setup is integrated plc and which functional elements is magnetic powder brake

    根據纖維纏繞工藝的特點,了纏繞過程中張的變化規律及影響因素,設計了以集成式可編程序控制為主控機,以粉制動為執行元件的張控制系統。
  13. 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曲線的可行性,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,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;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。
  14. In this application, the lorentz force generated by the interaction between the current in the wire and the geomagnetic field produces an electro - dynamic drag leading to a fast orbital decay. in this paper, we make an intensive study of the process of de - orbiting using electro - dynamic tether system. the concrete work includes : firstly, i have studied the basic principle of how to generate the electro - dynamic drag, modeled via accuracy geomagnetism, made a concrete analysis of the de - orbiting duration, the magnitude and direction of electro - dynamic drag under the action of the dipole and accurate geomagnetic models, set up a counterbalance between electro - dynamic torque and gravity gradient torque, emulate the de - orbiting process of spacecraft, and compared the change of six orbital factors and the de - orbiting duration under the action of the dipole and accurate geomagnetic models

    本文對基於電動纜繩的航天離軌過程進行了深入研究,具體工作如下:首先,本文研究了電動纜繩產生電動的基本原理,建立了精確地場模型;別在偶極子模型和精確地場模型作用下,對電動的大小、方向、離軌時間及電動纜繩傾角的大小進行了計算;建立了電動矩與纜繩系統重梯度矩的平衡關系;了電動矩為系統提供能量的原理;最後別在偶極子地場模型和精確地場模型作用下,對受電動纜繩作用的航天的離軌過程進行模擬,了在不同精度地場模型下,航天離軌過程中各軌道參數的變化情況,並比較了不同模型對離軌時間的影響。
  15. The main achievements are as follows : the theory models of defect mfl field are set up ; based on the magnetic dipole model and finite element model, the distribution of defect mfl field is simulated in the dissertation ; the component of flux density ( magnetic filed ) parallel to the surface of pipe is detected by a circumferential array of hall probes ; the factors including defect geometry parameters, defect surface angle and shape, pipe material, field intensity, vehicle velocity, background magnetization, operating pressure and remanent magnetization and so on influence the mfl signal characteristics

    採用霍爾元件作為缺陷漏檢測傳感,獲得管道軸截面漏場切向量的漏信號;研究了缺陷外形尺寸、缺陷傾角和形狀、管道材質和化強度、檢測儀移動速度、管道背底場、管內壓和剩對漏信號的影響。提出了各通道增益放大、各路漏信號偏離調整、波形微、數字濾波和平滑等漏信號預處理方法;了等空間采樣的漏信號轉換為等時間采樣信號的必要性,研究了漏信號的小波去噪方法。
  16. The controllers have considered all sorts of imperceptible factors affecting the servo performances in a lpmsm servo system, which include the parametric uncertainties brought by the changes of the mobile mass, frictional coefficient, the thrust fluctuations aroused by the varieties of the magnetic density distributions and the time harmonic. the h state feedback controller restrains disturbances and uncertainties to keep the robust and stable performance. the ip controller, which has the ability of rapid response, is applied to satisfy the rapid performance

    雙環控制問題時,針對直線永同步電動機,仔細考慮了能使伺服系統性能變壞的各種細微因素,如:永同步直線電機動子質量變化、摩擦系數變化等造成的模型參數不確定性,電機運行期間存在佈變化、時間諧波等產生的推擾動等,採用了ip速度控制和h _狀態反饋控制相結合構成直線伺服的內環控制,並輔助設計了外環的pi位置控制
  17. Based on the analysis of the paper, we can draw the conclusion that this device has several issues to be solved to put into use, such as low filtering capacity, large bulk and area the device occupies, complexity of connection, and the hazard of ferro - resonance existing when switching without disconnecting the circuit of the step - up transformer

    經過發現,這種補償方案存在一些問題,如濾波能低,補償裝置體積大,佔地面積多,接線復雜;並且如果在投切過程中不將升壓變壓高壓側迴路斷開,存在著發生鐵諧振的危險。
  18. Finally, the principle of phase - locked - loop for speed control is discussed. the control methods of torque and magnetic levitation force are studied experimentally on a prototype bearingless motor. based on the analysis of shortcomings of the analog control system, a digital control system is proposed

    了採用鎖相環對電機轉速進行閉環控制的原理;設計了懸浮的模擬控制並對懸浮血泵電機進行了實驗研究;針對模擬控制系統存在的缺點,本文設計了一種數字控制系統。
  19. Optimization trial and analysis of parameter on a new type magnetic coupling enduring high temperature

    新型耐高溫聯軸參數優化試驗及
  20. Study and analysis on the braking force of towed trailer used electric brake

    採用電製動的拖掛式房車制動研究
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