磁表面波 的英文怎麼說

中文拼音 [biǎomiàn]
磁表面波 英文
surface magnetic wave
  • : 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 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
  • : 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...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
  1. Compound medium wave - guide film on columned li - ferrites was made by magnetron sputtering system

    控濺射的方法在圓柱鋰鐵氧體鍍覆了復合介質導薄膜。
  2. Being a sort of new principle micromotor in the fronitier of science. the ultrosonic motor ( usm ) is developed at recently twenty years. utilizing the stator surface particle elliptical motion excited by piezoceeramics, the usm is drived by friction force between the stator and rotor. compared with the conventional electromagnetic motor, the ultrasonic motor has the following features : high speed, high holding torque when power is off and so on. because of it ' s characteristics, the ultrasonic motor has obtained some widespread application in robots, precise instrument, house electronical appliance, sapceecraft automobile and micromechanism

    超聲電機( ultrasonicmotor )是近二十年來發展起來的一種新原理電機,其原理不同於傳統的電型電機,它是利用壓電陶瓷的逆壓電效應使定子的質點產生橢圓運動,通過定子和轉子之間的摩擦力驅動轉子運動。這種新型的電機與傳統電電機相比,具有響應快、不受電干擾、結構緊湊、低速、大扭矩、斷電自鎖等優點,因而在微型機械、機器人、精密儀器、家用電器、航天器、汽車等方顯示出廣泛的應用前景。
  3. Second, the imaging model built here has taken into account the tilt modulation, the hydrodynamic modulation, and current modulations of radar cross section. consequently, it has realized the imaging simulation of four kinds of wakes with the same imaging model. third, the orbital velocity of ocean wave was considered as the basic dynamic factor, and the imaging model calculates the influence on raw data by the wave m ovement according to the orbital velocity

    該模型的主要特點是: ( 1 )它採用了三尺度復合模型的思想來計算海的電散射,考慮了中等尺度對紋的進一步調製作用,彌補了傳統雙尺度模型的不足; ( 1 )它考慮了海浪的傾斜調製作用、流體動力調製作用和流場對雷達截的調製作用,實現了用統一的模擬模型對四種艦船尾跡特徵進行成像模擬; ( 3 )它把海的軌道速度作為基本的動態成分,並依此來考慮海運動對sar回信號的影響。
  4. The result shows that with the addition of rare earth elements, ultrasonic irradiation and magnetic field, the chemical component, surface configuration, microstructure and properties of electroless co - ni - b and co - fe - b alloy changes remarkably. such kind of change can be described as the followings. firstly the depositing speed of electroless alloy bath is raised while the polarizability and cathodic overpotential are reduced ; secondly the surface quality of the alloy coating and adhesion of the coating and matrix are improved ; thirdly in the coatings the content of the elements in the transient group increases, but the content of cobalt decreased ; fourthly the amorphous structure is transformed to microcrystal structure and polycrystal structure ; fifthly the microhardness and wear resistance of the coating are enhanced ; sixthly coercitive force is reduced, and magnetoconductivity of the coating is increased ; lastly the magnetic intensity of the coating increases with the addition of energy and light rare earth elements such as ce, la and decreases with the addition of heavy rare earth elements such as y. on the other side, when the alloy coatings passes through the heat treatment under the temperature of 250 or 500, their properties will change

    結果顯示化學沉積co - ni - b 、 co - fe - b工藝在稀土元素( ce 、 la 、 y 、 dy ) 、能量(超聲場)介入后,沉積過程、合金成分、鍍層形貌結構和性能都有顯著變化,現在:鍍液的陰極極化過電位和極化度降低,沉積速度提高;鍍層的結合力、質量改善;鍍層中過渡族元素的含量增加,輕元素硼的含量降低,同時證實了稀土元素與過渡族元素共沉積的可能性;鍍層的顯微結構由非晶態向微晶和多晶態轉變;鍍層的顯微硬度與耐磨性提高,力學性能優化;鍍層的矯頑力降低;導率提高;鍍層的化強度在能量(超聲場)和輕稀土元素ce 、 la介入后提高,重稀土元素y介入后降低。
  5. In the end, the impedance matrix of any three - dimensional conducting object can be portioned into sub - matrices by the projection iterative method ( pim ), the surface current and rcs can be calculated with convergent iterations, the wide - band electromagnetic scattering characteristics of three - dimensional conducting objects are also analyzed with the asymptotic waveform evaluation technique

    最後應用投影迭代方法( pim )將三維導體目標的阻抗矩陣剖分成小矩陣,通過迭代計算出電流和雷達散射截,並與漸近形估計技術結合分析了三維導體目標的寬帶電散射特性。
  6. A patch antenna with etched holes on the ground plane is also studied. the performance of the antenna at the resonant frequency is analyzed by using the fdtd method together with the pml boundary treatment. the results show that the surface waves are suppressed greatly, the bandwidth is improved and a 1 odb reduction on the sidelobe level is achieved at the 110 and 260 directions in the e plane

    地研究了地腐蝕周期圓孔結構的電晶體貼片天線在基頻率處的性能,用fdtd方法並結合pml邊界處理技術對該天線所取得的研究結果顯示,本文設計的地腐蝕型電晶體結構抑制了貼片天線中的,增加了天線的帶寬,並有效地削弱了旁瓣,使天線的e方向圖上110和260方向的兩個旁瓣被削弱了10db 。
  7. The "smoothness" of a metal surface depends on the wavelength of the radiation.

    金屬的「光潔度」與電輻射的長有關。
  8. 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吸收邊界條件對該天線進行了研究,結果明本文所設計的基底鉆孔型電晶體貼片天線取得了多方的性能改善,與普通天線相比,基底中的受到很大抑制,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 ,比文獻上報道的gonzalo等人的研究結果提高了4db 。
  9. The microwave delaylines using hts thin films have the advantages of small size and mass and low insertion lose. these characters are much better than the delaylines using surface acoustic wave, coaxial - line, magetostatic wave or conventional metal planar structures. these merits benefit a lot in largely reduction the mass and volume of communication systems

    利用高溫超導( htsc )薄膜材料研製的微延遲線具有體積小、重量輕、插損小等優點,這是利用聲、同軸線、靜或常規金屬平結構設計的延遲線所無法比擬的。這些優點對于減輕通信系統的重量和縮小體積都是非常有利的。
  10. The remote sensing refers to air to ground one, namely from different working platform far away the ground ( for example gao ta, balloon, airplane, rocket, the artificial earth satellite, spaceship, aerospace craft and so on ), through the sensor, exploring the information ( radiation ) to the earth ' s surface electromagnetic wave, and after the information transmission, processes, estimation and analysis, it can be regarded as a kind of comprehensive technology of surveying and monitoring earth ' s resources and its environment

    摘要遙感是指空對地的遙感,即從遠離地的不同工作平臺上(如高塔、氣球、飛機、火箭、人造地球衛星、宇宙飛船、航天飛機等)通過傳感器,對地球的電(輻射)信息進行探測,並經信息的傳輸、處理和判讀分析,對地球的資源與環境進行探測和監測的綜合性技術。
  11. In 6. 635, topics covered include : special relativity, electrodynamics of moving media, waves in dispersive media, microstrip integrated circuits, quantum optics, remote sensing, radiative transfer theory, scattering by rough surfaces, effective permittivities, random media, green ' s functions for planarly layered media, integral equations in electromagnetics, method of moments, time domain method of moments, em waves in periodic structures : photonic crystals and negative refraction

    本課程所覆蓋的論題包括:狹義相對論、運動媒質的電動力學、色散媒質中的、微帶集成電路、量子光學、遙感、輻射傳輸理論、粗糙上的散射、有效介電系數、隨機媒質、平層狀媒質的格林函數、電學中的積分方程、矩量法、時域矩量法、周期結構中的電:光子晶體和負折射率。
  12. This research use aluminum with characteristic to conduction and easy prune, make some kinds of geometric figure for variable, in the same surface area, using different geometric figure carry on electromagnetic wave absorb of testing effect

    摘要本研究利用鋁鉑導電及易於裁剪的特性,製作各種不同幾何圖形作為實驗之變因,在相同積下,以不同幾何圖形,進行電吸收效果的測試。
  13. Surface acoustic wave components, capacitors, emc filters, ntc thermistors, ptc thermistors, ferrites & accessories, inductors, microwave ceramics, arrestors, rf modules etc

    元件,電容器,電源濾器,熱敏電阻,壓敏電阻,鐵氧體心與附件,電感器件,微陶瓷元件,氣件放電管,射頻前羰模塊等等
  14. This structure possesses common spectra gaps with transverse - electric surface waves and transverse - magnetic surface waves, a multiple of in phase frequency regimes to characterize magnetic resonances are also within those spectra gaps, which were detected both by measuring return loss of an antenna near the surface and by fdtd simulations

    實驗和數值模擬顯示這類的橫電模式極化和橫模式極化的具有多帶隙的豐富能帶結構,同時它還有多個性諧振頻率,實驗和理論顯示這些性諧振所對應的多個同位相反射區落在兩個帶隙中。
  15. In this paper, the the scattering from gausss rough surface is studied through wavelet method

    摘要研究小變換在粗糙散射的應用。
  16. In order to utilize the atmospheric duct phenomena, and to make the electronic reconnaissance facilities more effective and the status of battlefield more advantageous, on the basis of classification of the atmospheric duct, first the model for evaluating the effective detective zone of electronic reconnaissance facility is established, then the numerical value simulation method of electromagnetic wave propagation under the condition of surface duct calculated with parabolic equation and fourier arithmetic is presented, and finally the influences of atmospheric duct on electronic reconnaissance facility is analyzed

    為充分利用大氣導條件,發揮電子偵察設備效能,使戰場態勢向有利於己方方向轉化,在介紹大氣導分類的基礎上,建立評估電子偵察設備的有效探測區的模型,給出用拋物線方程及其分佈傅里葉演算法計算電導條件下傳播的數值模擬方法,並分析了大氣導對電子偵察設備的影響情況。
  17. Finally, the reconstructed surfaces were used in computer aided visualization of electrical design of airborne radome. on contrary to the traditional way of computing the angles of incidence by solving the problem that where the ray of electromagnetic waves intersected with the surface of radome, our method can express the distribution of the value of the angle of incidence on airborne radome succinctly and efficiently

    最後將重塑曲應用在某型飛機雷達罩電性能參數的計算機輔助可視化設計中,改進了原有方法通過雷達電入射線同雷達罩求交解方程獲得入射角的繁瑣設計方式,快速直觀有效地達了入射角參數在雷達罩的分佈情況。
  18. This paper also analysis the emc of the element in pcb. for the surface acoustic wave filter offered from certain academe, material analyse and account have adopted in the finding route of coupling and the measure of anti - jamming

    論文分析了pcb上器件的電兼容,對具體的某研究所提供的聲器,在找出干擾途徑以及採取對應措施過程中進行了具體分析計算。
  19. In this paper, an micro - strip antenna based on novel electromagnetic ( photon ) structure is designed, numerical experiments show that such kind of structure can decrease the surface - wave caused by thick substrate, thus the bandwidth and gain of antenna are improved evidently

    本文設計了一種加入新型電(光子)晶體結構的微帶天線,通過數值模擬,證明它消除了大量由厚介質帶來的效應,從而明顯增加了天線的帶寬和增益。
  20. Surface acoustic wave is a elasticity wave on the solid substrate. its velocity has 105 lower than light ’ s

    是在介質傳播的彈性,通常它具有比電慢五個數量級的速。
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