磁條文件 的英文怎麼說

中文拼音 [tiáowénjiàn]
磁條文件 英文
magnetic strip file
  • : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
  • : Ⅰ名詞1 (細長的樹枝) twig 2 (條子) slip; strip 3 (分項目的) item; article 4 (層次; 秩序; 條...
  • : Ⅰ名詞1 (字) character; script; writing 2 (文字) language 3 (文章) literary composition; wri...
  • : Ⅰ量詞(用於個體事物) piece; article; item Ⅱ名詞1. (指可以一一計算的事物) 2. (文件) letter; correspondence; paper; document
  • 文件 : 1 (公文、信件等) document; file; papers; instrument 2 [自動化] file; 文件保護 file protection; ...
  1. First, the system boundary of machines affecting the shafts, such as the guide bearings, seal, electrical and hydraulic forces, the water in the runner etc, is analyzed. and the mathematic model of the system boundary of the machine is built

    首先分析了對機組主軸系統影響較大的系統邊界,如導軸承、水封、電拉力、轉輪處的水體等,並分別建立了它們的數學模型。
  2. Next, in order to comprehand the electromagnetic characteristics and the dynamic characteristics of the new type of magnetic micromotors, the dissertation applied the concept of the magnetic scarlar potential of the irrotational magnetic fields and set up the mathmatic model for the inner magnetic field of the new type of motors from the basic equations and the boundary conditions of the motor magnetic field. oh the basis of the mathmatic model, the dissertation analized the various qualities of the magnetic field of the air gap between the rotor and the stator and gave a detailed calculation of the air gap ' s magnetic potential, magnetic field intensity, magnetic induction, the shape of the magnetic scarlar potential level surface, the distribution of the magnetic circuit, the magnetic induction the self - inductance and the mutual inductance of the coils

    其次,為全面了解這種新型電電機的電特性和動力特性,本從電機場的基本方程及其邊界出發,應用無旋場的標量位概念,建立了端面搖擺式電微電機內部場的數學模型,並以此為基礎,詳細分析了電機氣隙場的各方面性質,對氣隙場的標位、場強度、感應強度、等位面形狀、電機工作路的分佈、電機的工作通量以及激勵繞組的自感和相互之間的互感進行了詳細的分析計算。
  3. The second, the main work in the paper is discussed. they are include : the theory and character of electromagnetic leaking from a computer ; the theory of accumulation mean filter and pectination filter ; the analysis of synchronous signal precision, at 10 - 12 second level, for stably intercepting ; the technology requirement of receiver and data acquisition board for clearly displaying the images recovered from the intercepted data

    從計算機視頻電泄漏和數字濾波器兩方面的基本理論出發,詳細論述了計算機視頻信息電泄漏的原理及特點,指出視頻泄漏信息的頻譜是以行頻為周期的譜線;分析了重加濾波器和梳狀濾波器的性能;分析了視頻泄漏信息截獲的;推導出穩定截獲視頻泄漏信息需要對同步信號的精度控制在皮秒級;論述了清晰再現對接收機和數據採集卡的技術要求。
  4. It also roundly researched the solution of the helmholtz equation in the circumrotating ellipsoidal coordinates, and discussed how to calculate the solution of the electro - magnetic field in the circumrotating ellipsoidal coordinates using special functions, and researched circumrotating ellipsoidal cavity ’ s latent value and quality parameter using arithmetic simulation, finally we compared the ellipsoidal cavity with the spheriform cavity. the main content of this thesis are as following : 1. calculated the distribution of the electro - magnetic field inside the ellipsoidal cavity based on maxwell equations and boundary conditions, and confirmed the syntonic mode inside the ellipsoidal cavity using arithmetic methods

    從maxwell方程及其邊界求解出橢球腔內的電場分佈,較為全面的研究了旋轉橢球坐標系下赫姆霍茲方程的解的問題,討論了用特殊函數來求解旋轉橢球坐標系下電場的解,並通過數值模擬研究了旋轉橢球諧振腔的本徵值和品質因數,並和球形諧振腔做了比較,主要內容為: 1 .用maxwell方程及其邊界求解出橢球腔內的電場分佈,並且分析了橢球腔內的諧振模式。
  5. The raw materials, the composition, the time of milling, the calcining temperature, the different additives, the sintering temperature and the sintering parameters were investigated. the result showed : it was advantaged to obtain high initial permeability mnzn ferrite with stable frequency characteristic using high - purity raw materials ; in order to obtain mnzn ferrite with high properties, we must control strictly the composition ; it could improve the properties of mnzn ferrite by optimizing calcining temperature. the lower calcining temperature made the permeability higher, and the higher calcining temperature could promote the frequency characteristic of permeability ; we chosen the right time of milling according to the requirement of power diameter ; in order to improve the properties of mnzn ferrite, it is necessary to add effective additives. in this dissertation, the influence of bi2o3 、 moo3 、 k2co3 、 co2o3 were investigated ; the sintering temperature, the time of heat - retaining and sintering parameters were the key factors of preparing high permeability mnzn ferrites

    研究結果表明:採用高純度的fe2o3有利於獲得高起始導率且頻率特性優良的鐵氧體;為了制備所需性能的鐵氧體,需要嚴格控制配方中各種原材料的含量,優化配方;由於粉體活性受預燒的影響,所以對不同要求的鐵氧體選擇的預燒就不一樣,適當降低預燒溫度有利於獲得較高的起始導率,而為了獲得良好的頻率特性可以適當地提高預燒溫度;根據對粉體顆粒粒徑的不同需求,可以選擇不同的球磨時間;而有效的添加劑是改善材料性能的必要,本在添加劑的研究中主要對bi2o3 、 moo3 、 k2co3 、 co2o3的影響分別作了詳細地討論;燒結溫度、保溫時間和燒結氣氛是高導率mnzn鐵氧體制備最關鍵的工藝,適宜的燒結工藝可以獲得理想微結構和組成,從而得到高性能的鐵氧體材料;而從材料的微結構上來看,要提高材料的截止頻率,就要適當地細化晶粒、增加晶粒內部的氣孔。
  6. In this paper, three unique models were designed to research atom diffusion at interface, contacting line and joining point under bpec heating and compare with it under radiation heating in order to find out if bpec speed atom diffusion. the first model was aimed to research atom diffusion at interface under bpec heating. experiment condition of bpec diffusion welding sheet cu and ni : direct diffusion welding, at a pressure of l0mpa, welded at 750 ~ 900, with heat rate of 200 ~ 400 / min for 10mm, on / off of 6 / l ~ 48 / 8, with die or not, vacuum of 6pa

    設計出三種樣品預構,研究脈沖大電流加熱下片狀材料、線狀材料和球形顆粒之間的原子擴散過程,弄清脈沖大電流加熱下原子擴散與一般燒結和焊接過程中原子擴散的區別,以證實特殊的電場和場是否對原子的擴散有推動作用,揭示脈沖大電流加熱下原子的擴散過程,探索脈沖大電流熱加工技術快速高效的原因。
  7. Abstract : according to the continuative condition of the tangential fields on the slot aperture which is the inclined narrow - slot on the broadwall of a sectoral waveguide, the moment method is used to calculate the magnetic current coefficient and distribution. then the scattering field, the scattering parameter and the equivalent impedance are obtained. leting only the te11 dominant mode propagates in the waveguide, the scattering parameters and the normalized equivalent series impedance in the x - band are computed. the basis disigned the slot antenna and the slot array is offered

    摘:根據縫隙口面切向場的連續,採用解析數值法矩量法,對扇面波導寬壁上窄的斜縫進行了計算,解得了流系數及其分佈,並得到散射場、等效散射參量及等效阻抗等重要參數.假定波導中僅有te11主模傳輸,在x波段計算了散射參量和歸一化等效串聯阻抗,給出計算結果,為縫隙天線和縫隙陣列設計提供了依據
  8. In the first part of the paper, the explicit form of difference equation and periodic boundary condition is derived in cartesian coordinate system. secondly, the dispersive characteristic is analyzed in cylinder coordinate system for many high power microwave devices use cylinder sws. and then the method is extended to calculate the band structure of 2 - d photonic crystal, a modified yee ’ s grid is introduced to calculate the dispersive characteristic in the case of triangular lattice, so that both square lattice and triangular lattice cases can be solved in cartesian coordinate system

    周期電結構的一個重要應用就是用作高功率微波器中的慢波系統,考慮到目前大部分高功率微波器的慢波系統多採用圓柱周期結構,在論第四章中,在圓柱坐標系下,給出了差分方程和周期性邊界的具體形式,同時編寫程序,分析了milosws ,盤荷慢波結構的色散特性。
  9. Finally, the duality between the gravitational radiation and the electromagnetic radiation is researched because of the similarity between them in the weak field situation

    最後,本考慮到弱場線性近似下引力輻射與電輻射的類似,故討論了引力輻射與電輻射之間的對偶關系。
  10. Abstract : degree of homogeneity is introduced, thereafter the magnetic field of helmholtz coil is studied, and the best conditions of this coil is investigated by computer

    摘:引入場均勻度的概念,對亥姆霍茲線圈場的均勻性進行了定量分析,並通過計算機模擬,得出了同一精度下,形成亥姆霍茲線圈均勻場的最佳
  11. In addition to pic method, the numerical computation method is used as a compensation for the study of the characteristics of electron beam. the two methods are used separately to attain the trajectory of axially - emitted electron beam in diode region and drift region, and the trajectory of radially - emitted electron beam with axial, azimuthal, as well as compounded axial and azimuthal magnetic field. three two - dimensional codes and two three - dimensional codes have been made out to compute the trajectories

    特點之一就是採用粒子模擬和數值計算相結合的方法進行模擬計算,分別得到了軸向發射下電子在二極體區域和漂移區的軌跡,徑向發射下電子在角向場、軸向場、角向和軸向復合場中電子的運動軌跡,分別編制了三個二維電子軌跡計算程序和兩個三維電子軌跡計算程序,最後將粒子模擬和數值計算得到的結果進行了對比,得到了較為滿意的結果。
  12. A patch antenna with air holes in the substrate has been designed. the finite - difference time - domain ( fdtd ) method together with the perfectly matched layer ( pml ) boundary treatment has been used to study the performance of the antenna. it is shown that the surface waves are significiently suppressed, the frequency bandwidth is improved, the sidelobe levels are reduced and consequently the gain in the forward direction is improved by 14 db ( about 4 db higher than the value reported previously )

    設計了一種基底鉆周期圓孔結構的電(光子)晶體貼片天線,用fdtd方法並結合pml吸收邊界對該天線進行了研究,結果表明本所設計的基底鉆孔型電晶體貼片天線取得了多方面的性能改善,與普通天線相比,基底中的表面波受到很大抑制,天線的帶寬增加,遠場方向圖上天線的旁瓣和背瓣被明顯削弱,向前輻射的增益由原來的12db增加到26db ,增加了14db ,比獻上報道的gonzalo等人的研究結果提高了4db 。
  13. Because the field caused by the eddy - current transducer in the dissertation is not only axially symmetrical, but also plane symmetrical, there is no normal component of the electrical field strength and we cannot apply the condition en = 0 to solve such a problem

    由於本中的渦流傳感器模型,其電場不僅是軸對稱場,而且還是平面對稱場,不含有電場強度的法向分量,所以無法利用邊界e _ n = 0來求解。
  14. In the paper, a speed estimator based on artificial neural network is designed according to the principle of direct torque control, the speed estimator is optimized by genetic algorithm, and the parameters of pid speed adjuster is also optimized by genetic algorithm. a stator linkage and torque observer based on stator resistance estimator using fuzzy neural network is also designed. eventually, the intelligent control of direct torque control system is implemented

    根據異步電動機直接轉矩控制原理,在應用人工神經網路進行速度辨識的基礎上,利用遺傳演算法對神經網路速度辨識器進行了優化設計;運用遺傳演算法對pid速度調節器的結構和參數進行了整合;在採用模糊神經網路對電機定子電阻辨識的基礎上,進行了定子鏈及轉矩的觀測,為最終實現無速度傳感器直接轉矩控制系統的智能控制創造了
  15. With the study of boundary condition of vector potentials and the application of image method and sommerfeld integrals, this thesis deduces the vector potentials of vertical and horizontal dipoles near an interface ( both above and below the interface )

    通過矢位邊界的研究,應用鏡象法和索末菲積分,推導出半空間界面附近(包括上、下半空間中)的垂直電偶極子和水平電偶極子的矢位。
  16. At the beginning the thesis indicates the crux of nmr imaging is the homogeneity of the static magnetic field through introducing the basic principle of nmr imaging and presents the requirement of the satisfying imaging

    首先,本介紹了核共振成像的基本原理,指出樣品區靜場的均勻度是核共振成像的關鍵所在,並給出了滿足成像要求的
  17. In the paper, the theory of electric parameter measurement and analysis is discussed and researched. and the electric parameter automatic measurement system based on singlechip computer embedded sytem is developed according to the requirement of electromagnetic compatibility. the result of the theory research is applied to the system successfully

    本論是對非正弦波下電氣參數測試理論和以傅立葉變換為核心的頻域分析理論進行深入的研究和探討,併兼顧電兼容性的要求,研製出基於單片機嵌入式系統的電氣參數自動測試系統,使上述研究成果得以成功的應用。
  18. As the 3d electromagnetic field calculation region of the tfpm is not suitable for the periodic condition, the calculation must be done for the whole region. it takes too much time. firstly, a method is adopted to simplify the 3d model with periodic condition

    的工作主要包括以下幾部分內容:首先對本研究的橫向通電機的三維電場分析模型進行了簡化,提出了對不符合周期的求解區域在工程設計允許的范圍內進行簡化處理的方法,同時對商業軟體進行了二次開發,編制了周期處理程序,減少了三維電場計算時間。
  19. A. flashget can categorize downloaded files and place them in specified folders, each category has its own directory. for example the category mp3 s default hard drive directory is c : - download - mp3. when placing a file into mp3, the actual file will be placed in c : - download - mp3

    A .快車可以把下載的軟體分門別類存放,每種類別可以指定不同的盤目錄,比如可新建一個類別名字為" mp3 " ,盤目錄為" c : - download - mp3 " ,當下載一個mp3時可以指定下載到類別" mp3 "中,就會保留到" c : - download - mp3 "下,下載的目可移動到任何類別中,同時下載的也可移動到該類別指定的盤目錄中
  20. The same performance improvement can be accomplished by using a single file created on a raid redundant array of independent disks stripe set

    通過使用在raid (獨立盤冗餘陣列)帶集上創建的單個也能獲得同樣的性能提高。
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