field coupling 中文意思是什麼

field coupling 解釋
場耦合
  • field : n 菲爾德〈姓氏〉。n 1 原野,曠野;(海、空、冰雪等的)茫茫一片。2 田地,牧場;割草場;〈pl 〉〈集...
  • coupling : n. 聯結;交尾;【機械工程】管箍;聯結器;軸接;(火車的)車鉤,【電學】耦合。
  1. Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box

    綜合介紹了邊界元法在聲輻射問題上的理論及應用;並給出了運用邊界元法分析軟體求解振動聲輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法,並以封閉鼓形薄殼為分析對象進行了相應的分析。利用數字計算軟體編制了噪聲數據模擬程序,並模擬了通過組合方法分析封閉鼓形薄殼瞬態響應聲場而獲得一關鍵點的聲壓數據,實現聲音的可聽化,隨后通過虛擬現實工具實現了該情形下橢球殼振動噪聲的虛擬模擬。
  2. Discussion on the concept of coupling and contiguity, and coupling and contiguity, and their significance in the fea research field

    並對耦合和接觸問題做了詳盡的論述,並指出其在此領域的重要性。
  3. The results indicate that in niobate glasses, as the concentration of nb2o5 increases, the covalence becomes strong, the symmetry becomes low and the electron - phonon coupling becomes strong, thus the lifetimes become short, the nonradiative transition processes and the temperature - quenching become strong and the value of crystal field parameter b20 becomes small

    ( 6 )研究了妮硅與妮磷系列玻璃發光特性與組份的關系,發現隨著nbzos濃度的增加, eu一o鍵共價性增強,局域環境對稱性降低,電一聲子禍合增強從而導致sd 。
  4. In this paper we have done two work, one is we, in the dressed states representation, reveal that the constructive interference of atomic coherence on absorption leads to electromagnetically induced absorption, which is in sharp contrast to the case in which destructive interference of atomic coherence gives rise to electromagnetically induced transparency and the other is we reveal that coupling field linewidth inhibits electromagnetically induced absorption, by employing a four - level system in which three transitions are in n configuration and the middle transition serves as a probe transition

    本文主要做了兩方面的工作:一是在修飾態表象中揭示修飾態原子相干對吸收的相長干涉產生電磁誘導吸收,這與修飾態原子相干對吸收的相消干涉導致電磁誘導透明的情形形成鮮明的對照。二是在裸態中,引入耦合場的線寬,從而發現耦合場的線寬抑制電磁誘導吸收。首先研究電磁誘導吸收。
  5. The simulation results suggest that, at the end of the scanning line, the dissymmetric temperature field and the great temperature gradient result in the balling phenomenon and great thermal stress, which could lead to the destruction of the sintering samples in this region. because of the coupling effect between scanning lines, the balling phenomenon is increased as the increase of the scanning lines, thus the over short scanning lines should be avoided in the sintering process. different scanning strategies have significant influence on the sintering

    模擬結果表明,掃描端點溫度場的不對稱及較大的溫度梯度造成了端點球化現象,並在端點處產生較大的熱應力,使燒結成形試樣易在此處破壞;激光掃描線間的耦合作用使端點球化現象隨掃描線的增加而逐漸顯著,燒結時應避免過短的掃描線;不同掃描策略對燒結成形有很大影響,交替掃描會影響燒結試樣的質量,實際製造時應採用單向掃描策略。
  6. In this way we can easily monitor large electricity current and magiletic field accurately because of the complexity of coupling in modes propagating in optical wave - guide, the loss of light intensity is out of eliminable

    論文討論了光纖的雙折射和光纖波導中的模式耦合的復雜性,再加上外界環境的影響,導致光纖中模式之間發生耦合,從而導致傳輸的光損耗增大。
  7. By introduction of two lif layers, the adjustment of the position of thin layer alq3 in the microcavity is achieved and the effect of the coupling strength between the emissive dipole and vacuum electric - field on the emission intensity in ( / 2 - length microcavity is studied for the first time

    在帶有dbr結構的高q值微腔中,觀察熒光壽命變短輻射速率提高的現象。通過使用填充層,來實現對薄層alq在腔中位置的調節,研究了輻射偶極子同光電磁場的耦合強度對輻射強度的影響。
  8. Spin-orbit coupling is the interaction between the spin magnetic moment of an electron and magnetic field generated by its orbital motion.

    自旋-軌道耦合是電子的自旋磁矩和由軌道運動產生的磁場之間的相互作用。
  9. The magnetostriction of bonded tb03dy07fe2 rod composites is 580x 10 " 6 at a field of 200 ka / m, and the magneto - mechanical coupling coefficient is 0. 40 at a bias field of 118 ka / m

    相對而言制備工藝參數對合金的電阻率和抗壓強度影響較小,其電阻率等於熔煉法制備的材料的電阻率的10000倍左右,抗壓強度約為150mpa 。
  10. Abstract : from the point of theoretical analysis, this dissertation provides the coupling calculation on the hot gas temperature field and ablation in the cavity between stress release boot and insulation of solid motors. through the calculation, some law of the ablation of the stress release boot is found

    文摘:從理論分析的角度出發,通過對人工脫粘層和絕熱層所構成的槽縫燃氣溫度場與燒蝕的耦合計算,得出了人工脫粘層的燒蝕規律。
  11. The magnetic field coupling between neighbors electromagnetic is analyzed by femm software and the solved. mathematical system and conrrol system of the pemb are established. voltaic stiff coefficient and displacement stiff coefficient are calculated

    建立了永磁偏置磁軸承的數學模型和控制模型,計算了其電流剛度系數和位移剛度系數。
  12. Moment method is used for the analysis of interference among the vehicular multiple antennae in this paper. the multiple antennae system is equivalent to a microwave network, then the admittance matrix of the network can be obtained. using the admittance matrix, we can analyze the characteristic of coupling between two antennae and the near field of the antennae by the mom

    本文採用矩量法對車載多天線間的相互干擾特性進行了分析,將多天線系統等效為微波網路,然後採用矩量法求該網路的導納矩陣y ,利用該導納矩陣對天線間互耦特性進行分析,同時計算天線的近場分佈。
  13. Atomic emission spectrum and phase properties of the field in some atom - field coupling systems are investigated. effects of quantum interference between two different transition pathways on atomic emission spectrum and phase properties of the field are discussed

    本文研究了光場與原子相互作用系統中原子的發射譜和光場的相位性質,討論了原子不同躍遷通道間的量子干涉對原子發射譜和光場相位性質的影響。
  14. The thesis deduces the generating functional of proper vertexes and brst transformation of the system of matter field coupling to non - abel gauge field, gives noether conservation charge of brst transformation, shows up the model ' s brst transformation when the gauges are lorentz, coulomb and radiation gauges, respectively, finishes the brst quantization of ghost field in ( 1 + 2 ) dimensions model with non - abel chern - simons term coupling to the scalar field, achieves the lagrange density and hamilton density under brst transformation

    導出了物質場與非abel規范場耦合系統的brst變換以及此變換下的ward恆等式和正規頂角的生成泛函,給出了其brst變換下的noether守恆荷。針對lorentz規范、庫倫規范、輻射規范三種情況分別給出了此模型的brst變換,並得到了自洽的結果。完成了( 1 + 2 )維時空中非abelchern - simon項和標量場耦合系統中鬼場的brst量子化,得到了brst變換下的noether荷和其對應的拉氏量和哈密頓量。
  15. The effects of thermal environment on quantum nonlocality in atom - field coupling system

    場耦合系統中量子非局域性的影響
  16. Computer simulation of flow field - temperature field - stress field coupling in continuous casting of beam blanks

    異型坯連鑄液固溫耦合計算機模擬
  17. Using field coupling theory, the coupling efficiency of ld at different fiber inclined surface is discussed, and experimental results are presented too

    摘要應用場耦合方法模擬計算了不同光纖斜端面角度下半導體激光器的耦合效率,並進行了實驗測量。
  18. The comparison of two different models of laser induced material removal mechanism shows the advantage of comprehensively considering the geometry - temperature field coupling in the model

    摘要通過比較激光切槽加工中材料表面槽形狀生成機理的兩種不同的理論模型,指出了考慮幾何形狀溫度場耦合模型的合理性。
  19. The expressions of average value and variance of the phase difference and sum components are presented. we verified that under an appropriate condition the interference between the different transition processes makes counter balance, which induces the atom - field coupling system to be decoupled. the atomic population coherent trapping will take place

    模的相位保持隨機分佈,給出了光場兩個模相位差以及相位和的平均值與方差表達式,揭示了在適當的條件下,由於不同躍遷通道間的量于干涉效應,光場與原子退耦合,系統呈現原子布居數的相干俘獲現象。
  20. But so far, regarding soil as porous media, using mixture theory and multi - field coupling theory, the structural characteristics and failure mechanism of rsrw have not been studied. this certainly will affect the farther development of rs theory and the extensive application of rs technology. in this dissertation, based on research findings at home and abroad on rsrw and

    然而將土體視為多孔介質,利用混合物理論、多場耦合理論對加筋土擋墻的結構特性及破壞機理的研究到目前為止尚未開展,這必然會影響加筋土理論的進一步發展和加筋土技術的推廣應用。
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