近面電場 的英文怎麼說
中文拼音 [jìnmiàndiànchǎng]
近面電場
英文
surface field- 近 : Ⅰ形容詞1 (空間或時間距離短) near; close 2 (接近) approaching; approximately; close to 3 (親...
- 面 : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 場 : 場Ⅰ名詞1 (平坦的空地 多用來翻曬糧食 碾軋穀物) a level open space; threshing ground 2 [方言] (...
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For example, in benin a country bordering nigeria and togo, the cotonou center has been overwhelmed by the tremendous success of its radio broadcasts, which have attracted so many new truth - seekers that the centers main building will soon be too small to accommodate everyone for group meditation even though it can easily hold over a hundred people
近年來,西非各地的小中心迅速蓬勃發展。譬如貝南位於奈及利亞和多哥兩國之間的科都努cotonou小中心,透過電臺傳播福音,成效斐然。大批真理追尋者涌至小中心,使得原本可以輕松容納一百多人的小中心,即將面臨場地不敷使用的問題。This is among them the international factory nature rose the positive push function, especially the some and international factory is high to raise the technique with the big ensign that international synchronous, and let the numerous consumer buy the very much. for example, the most wide lcd of the world that this year june the three stars electronics produce then type dvd l100w a, 40 g the dish s dvd h40c and dvd vcr combination machine dvd v85k at the sale quantity continuously increase of the circumstance, product of recent its grade creep is then type dvd l200w a with combine the machine dvd the v90k again with the strategy s success that the new face walk in to sell a product for, further enunciation three stars is in china and world synchronous ". two year agos, this principle in the three stars electronics the inner part up and down reach consistence. latest product first appears chinas, and this is the three stars electronics in recent years of an important strategy
這其中國際廠商自然起到了積極的推動作用,特別是一些國際廠商高舉技術與國際同步的大旗,讓眾多消費者十分買賬。比如,今年6月三星電子生產的世界最寬的液晶便攜式dvd l100w a 40g硬盤的dvd h40c以及dvd vcr的組合機dvd v85k在中國隆重登場。在銷售量不斷攀升的情況下,最近其升級性產品便攜式dvd l200w a和組合機dvd v90k再次以新面孔走進賣場,進一步表明「三星在中國的產品與世界同步」的策略的成功。An arbitrary shaped line current on a horizontal plane is divided into many small line segments and approximated by hertzian diploes, then both the near and far em - field of the line curennt is approximated by the summation of the complete near and far fields of hertz dipoles
水平面上任意形狀線電流分割為許多小段之電流,每一小段之電流近似為赫芝偶極,則在三度空間任意座標平面上無論遠近之電磁場即可以赫芝偶極之遠近完整電磁場加總合成近似之。Hunan aero - magnetoelectricity co., ltd ( short for am following ) is a state - owned enterprise with production value of a hundred million yuan per year. with the expanding scale, converting operation system and more extensive competition, the corporation has more commands in information, and tries to improve the enterprise manage efficiency and lever even the core competition by the means of all - round carrying out the erp system, introducing advanced modernized management, optimizing and reforming the enterprise organizing structure and operation circuit
湖南航天磁電有限責任公司是一個年產值近億元的國有企業,隨著公司規模的不斷擴大,運行機制的轉變,市場競爭的加劇,公司對信息化的需求越來越高,希望通過實施erp系統,引入先進的現代化管理,對企業組織結構、業務流程的優化和組合,全面提高管理效率、管理水平,並最終提高企業核心競爭力。Many planets ( for example, ganymede, mercury, the earth, jupiter and saturn ) and stars ( for example, the sun ) possess intrinsic magnetic fields. the explanation for their existence and variation remains a great challenge to planetary scientists and astrophysicists. this article attempts to review some recent developments and difficulties in the study of magnetohydrodynamics for the electrically conducting fluid interiors of planets and stars. it is the fluid motions, usually driven by thermal convection, that generate and sustain magnetic fields through magnetohydrodynamic processes in planets and stars. in planets, the magnetohydrodynamic processes are strongly affected by the combined and inseparable effects of rotation, magnetic fields and spherical geometry. the key dynamics involves the interaction between the coriolis and lorentz forces. in the sun, it is the solar tachocline, a thin shear flow layer located at the base of the convection envelope, that plays an essential role in the solar magnetohydrodynamic processes which produce the 11 - year sunspot cycle. some results of a new nonlinear three - dimensional solar dynamo model are also presented
許多行星(如木衛三,水星,地球,木星和土星)和恆星(如太陽)具有內部磁場.對這些磁場的存在和變化的解釋對行星科學家和天體物理學家是一個巨大的挑戰.本文試圖總結行星和恆星的導電流體內部磁流體力學研究的新近發展和困難.一般由熱對流驅動的流動通過磁流體力學過程產生並維持在行星和恆星中的磁場.在行星中磁流體力學過程強烈地受到轉動,磁場和球幾何位型的綜合影響.其動力學的關鍵方面涉及科里奧利力和洛倫茲力間的相互作用.在太陽中其流線,即處于對流層的薄的剪切流層在太陽的磁流體力學過程中扮演了一個基本的角色,並由之產生了11年的太陽黑子周期.本文也給出了一個新的非線性三維太陽發電機模型Melvyn : have you heard about the latest all action space movie
梅爾文:最近那部充滿動作場面的太空電影,你有聽說過嗎?The vector - based plane - wave spectrum method ( vpws ) is improved, which can directly obtain the far field diffractive pattern depending on the output near field data in the bor fdtd meshes by use of the deduced formulas in this dissertation
改進了平面波譜傳播演算法( vpws ) ,推導出的公式可以由borfdtd計算空間內的近場輸出數據直接計算出遠場的電磁場分佈。Abstract : a new waveguide which can change the wide wall of a rectangular waveguide into a symmetric arc wall is named as a cam - rectangular waveguide. comparing to sectoral waveguide, the new waveguide has the same voltage characteristics and is easier to be produced and fixed. an approximate formula of the dominant mode fields and the normalized conductance of a longitudinal resonant slot cut in the curved wall of a cam - rectangular waveguide are given. a resonant slot linear array in c & x band is designed, in which the slot voltage distribution is equiphase and the input is matched. the input voltage stationary ware ratio and the h - plane pattern of the antenna are measured. the experimental results show the conformance with theoretical results
文摘:把常用的矩形波導一個寬面改成圓弧形構成的波導稱為圓突-矩形波導.這種波導與扇面波導相比:電性能相當;波導管結構更加簡單,容易加工,便於安裝.文中給出圓突-矩形波導中主模場,圓曲面上縱向槽歸一化諧振電導近似公式.設計了c和x波段波導曲面縱向諧振縫隙線陣,縫隙電壓相位為同相分佈,輸入端匹配.實際測量了天線輸入端電壓駐波比和h面方向圖,理論與實驗相吻合While carrying out the scheme, at first, the basic theory of antenna, array antenna and electromagnetic absorption, the performance parameter of antenna and parabolic antenna are deeply researched. in conformity, the characteristic and calculation of aperture field and near - to - far - field transformation for radiation pattern are detailed analyzed. second, the factors such as, the amount of the antenna elements, mutual coupling between each element, ground and the buildings on earth ' s surface, which affect the performance of array antennas ’ resultant field are stressed discussed
在系統實現過程中,課題首先從天線、陣列天線,以及電磁場計算方法的基本理論著手,分析了天線與拋物面天線的各項性能參數,以及天線的口面場和近-遠區輻射場的特點和計算;進而,更加深入的討論和研究影響天線陣列合成場強的各項因素,包括系統所使用的天線單元個數對陣列合成場的影響、天線單元之間由於互耦造成的影響、傳播過程中地面和/或地面建築物的影響等。A new waveguide made of changing a wide wall of a rectangular waveguide to a uniform curved wall is called conformal waveguide. a kind of expression of approximate solution for domain mode of the new waveguide, including symmetric, unsymmetric arc, parabolic arch, hyperbolic arch, elliptic arch, etc., is constructed by using boundary condition of mental waveguide, variational method and boundary element method. by using the equivalence principle, an approximate calculating formula for equivalent resonant conductance of a narrow longitudinal halfwavelength slot cut in the curved wall of the unsymmetric arcrectangular waveguide is derived, and the result is shown. although this solution is approximate, it can solve the problem in designing the slotted antenna of such conformal waveguide
把矩形波導一個寬面外突成均勻曲面構成的新波導統稱為共形波導.利用金屬波導邊界條件、變分法、邊界元素法構造這種新波導中主模場的一種近似解表達式,包括曲面橫截線為對稱、非對稱圓弧,拋物線弧,雙曲線弧,橢圓弧等.然後根據等效原理,推導非對稱圓弧矩形波導曲面上窄的縱向半波長縫隙的等效諧振電導的近似計算公式,給出計算曲線.這種解雖然是近似的,但卻能解決這類共形波導縫隙天線的工程設計In this thesis, the structur principle tal the systein project of coodess ic card were investigated and the reader was also designed. the main researches are as follows :. firstly, an equvalent circuit model of the indution power sapply of contatless ic card was presented by anaiyzing its work principle
本論文研究非接觸ic卡原理,設計讀寫器具,提供系統方案,主要進行了以下幾個方面的工作:首先,通過分析非接觸ic卡感應電源天線近區場和電磁感應原理工作原理,建立了非接觸ic卡感應電源的等效電路模型,用ewb軟體進行了電路模擬,與實際測試結果比較,證明了建立的感應電源電路模型是正確的。Angie charlene choi, the daughter of a rich businessman, is young and charming. one day, she discovers that she has cancer. she is filled with despair and she begins to prepare for her own funeral with a funeral director eason chan
港產片近年的最大問題是什麼類型的電影都加入一堆丑角搞氣氛,無論愛情或恐怖或動作,必有一兩個丑生角色充撐場面,令到電影難以定位,變得尷尬。I have received complaints that kites on broken strings often drift over the expressways near kite - flying venues, posing a threat to the safety of motor cyclists
本人接獲投訴,指一些鄰近放風箏場地的快速公路的路面上不時有斷線風箏隨風飄揚,威脅電單車駕駛者的安全。Several models of bonded dissimilar materials with interface edges are calculated. displacement, electrical potential, singular stress fields and singular electrical displacement fields near a singular point are deduced by the eigenfuntion expansion method based on the general solution of the spatial axisymmetric problem of the transversely isotropic piezoelectric media. a generally axisymmetric interface edge of bimaterials with arbitrary interface angle and joining angle is analyzed theoretically by using this method
在此基礎上,對具有任意界面角和結合角的橫觀各向同性雙壓電材料空間軸對稱界面端一般模型的軸對稱變形問題進行了理論分析,給出了該模型界面端的奇異性特徵方程以及界面端附近的位移場、電勢、奇異應力場和奇異電位移場。The experimental results show that the surface charging is related with the pre - flashover events, the pre - flashover events can bring the change of surface charge distribution. these may be attributed to the micro - discharge caused by the traps in insulator. the charge carriers can be captured by traps, a space electric field will be set up by the trap centers, and the combined electric field may exceed the breakdown electric field of local area, then the micro - discharge will be initiated
分析表明,反向預閃絡現象與材料的陷阱分佈有關,試樣中電極附近的陷阱中心俘獲載流子后所形成的空間電場的作用是產生這一現象的原因;預閃絡現象和表面帶電現象都是由於絕緣子表面陷阱中心俘獲載流子形成空間電場造成局部場強過強引發的局部放電形成的。The static electricity field for two parallel cylinders with eccentric axes or separated, angular space, along with solution of the charged conductor of cylinder all can be explained by this kind of situation
偏心圓柱面與分離圓柱面帶電導體的電場以及角形區域內的靜電場,還有帶電導體圓柱位於接地導體附近的靜電場的求解問題都屬于這種情形。In the single - photon resonance case, for large area input pulses, the spectral components oscillating around 32 appears in the spectrum due to the strong secondary excitation making the two - level model invalidity and the multi - level model should be used to describe this molecule
在單光子共振情況下,即入射脈沖頻率等於1 、 2能級之間的共振頻率,對大面積入射脈沖,由於強的二次激發的作用,電場頻譜中出現了在32附近振蕩的頻率成分, 32是2 、 3能級之間的共振頻率,說明對大面積入射脈沖二能級模型已經失效,需要採用多能級模型來描述分子介質。Based on the deduced vector potentials, the expressions of the electric fields are derived. also the numerical evaluation method of sommerfeld integrals appeared in the expressions is discussed
接著推導出半空間界面附近電偶極子的電場強度的表達式,並討論表達式中索末菲積分的數值求解方法。Study on electrostatic field near by the sharp - point conductor surface
尖端導體表面附近的電場特性Chaper 4, we put forward the concept of the near - field speckles and study their properties by the numerical solution of the integral equation based on the green ' s theorem. we study the near - field speckles produced the by random self - affine fractal surfaces of dielectric medium. the speckle intensities evolve considerably in the near - field region and the local fluctuations in them disappear in the distance of a wavelength
在第四章中,我們提出了近場散斑的概念,並依據介質界面電磁波的格林積分摘要方程對自仿射分形隨機表面產生的散斑光場進行了數值計算模擬研究,發現近場散斑分形特徵與自仿射分形隨機表面的特性有關,且這種分形特徵在非近場區域消失。分享友人