電子耦合系數 的英文怎麼說

中文拼音 [diànziǒugěxìshǔ]
電子耦合系數 英文
bcc beam coupling coefficient
  • 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...
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 耦 : Ⅰ動詞[書面語] （兩人並耕） plough side by sideⅡ名詞1 （古農具名） plough2 [書面語] （兩人一組） a...
  • 合 : 合量詞（容量單位） ge, a unit of dry measure for grain （=1 decilitre）
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 電子 : [物理學] [電學] electron
  • 耦合 : [物理學] coupling; interconnection; catena; linkage; linking
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. Experimental results show that the bistable of tuned substrate self - bias was determined by discharge gas pressure, discharge power and tuning circuit parameters etc. the bistable exists is because of there is capacitive coupling in icp system and sheath capacitance is nonlinear

    實驗結果表明這種跳變回滯現象與等離子體的放電氣壓、射頻功率以及調諧外電路的參數等多種因素密切相聯系。而產生跳變回滯現象的原因是icp中存在容性耦合以及鞘層電容具有非線性特性。
  2. Tantalum lithium ( litao3 ), a novel single crystal material, developed and industrialized with the development of communication and information industries recently, owns the excellent performances such as high mechanical - electrical coupling coefficient, lower wear - resistance, excellent high - temperature stability, excellent high - frequency capability, etc. however, researches on tantalum lithium single crystal wafer around world are still lacking

    鉭酸鋰是近年來隨著通訊、信息產業迅速發展而開發並產業化的新型光電子材料。它具有機電耦合系數大、低損耗、高溫穩定性、高頻性能好等優良的壓電、電光和熱電性能。
  3. Beam - coupling factor

    電子耦合系數
  4. The model from the input to the output of the piezoelectric traveling wave ultrasonic motor is established by synthetically using lagrange - maxwell equation, hertz elastic contact theory and coulomb friction theory, along with considering electromechanical coupling, influence of the interface force between the stator and rotor of the motor on the amplitude of the traveling wave inside the stator and dynamic contact friction friction force

    利用拉格朗日?麥克斯韋方程以及赫茲彈性接觸理論，庫侖摩擦理論，考慮機電耦合效應，定、轉子間界面力對彎曲行波的影響及其動態接觸摩擦力，建立了壓電行波超聲波馬達從輸入到輸出的機電耦聯系統的數學模型。
  5. Various factors affecting the refractive index and the deposition rate of the deposited films are studied to optimize growth conditions of the films. the microstructures and optical properties of the films are characterized by a prism coupler, a fourier transform infrared spectroscopy ( ftir ) and an atom force microscopy ( afm )

    研究了薄膜折射率和淀積速率與工藝參數之間的關系，通過棱鏡耦合儀、傅立葉變換紅外光譜、原子力顯微鏡、掃描電子顯微鏡等測試手段，分析了薄膜的結構和光學特性。
  6. We obtain that i ) with the increase of the phonon - pseudospin interaction and the thickness of the superlattice, the phase transition temperature of the superlattice will increase. ii ) the increase of the phonon - pseudospin interaction leads to the change of the number of the pyroelectric peaks in the temperature curve of pyroelectric coefficient and to the change of the pyroelectric coefficient

    研究發現，聲子與贗自旋的相互作用會影響鐵電超晶格熱電峰的數目以及熱電系數的溫度曲線的形態，而且聲子與贗自旋耦合作用的增強以及超晶格尺寸的增大都會使整個材料的相變溫度增加。
  7. Motion control is a comprehensive subject. modern ac drive is a important embranchment in the field of motion control. however, it is difficult to rea1ize high - performance ac drive systems because induction motors are a kind of strongly - coupled nonlinear system with many variables and the torque is not easy to control. with vector control technology decoupling and torque control of ac motor are solved. the basic idea of vector control is that three - phase system is equiva1ent to two - phase system by coordinate transformation and it realizes the decoupling between field current and torque current of the stator in order to control the flux and current respectively, thus induction motor can be considered dc motor and high performance is achieved easily. with the progress of electric and electronic technology and the development of computer, high - integrated special modules and high - precision digital signal processor ( dsp ) are applied to ac drive so that vector control has been developed rapidly

    但是高性能的交流調速系統實現很困難，這是因為交流電機是多變量、強耦合的非線性系統，不易實現高性能轉矩控制。矢量控制技術則解決了交流電機解耦與轉矩控制問題，其基本思路? ?應用坐標變換將三相等效為二相，實現定子勵磁電流分量與轉矩電流分量之間的解耦，達到對交流電機磁鏈與電流分別控制的目的，交流電機等效為直流電機實現高性能調速。隨著電力電子技術的進步，計算機技術飛躍發展，高度集成的專用模塊和高精度的數字信號處理器應用於交流傳動系統中，促進矢量控制迅猛發展，日趨成熟。
  8. As an example, we numerically investigated the transport properties of a four - quantum - dot ring. we found that the resonant tunneling spectrum depends on the arrangement of the single - dot energy level, the interdot tunnel coupling amplitude between neighbouring dots, and the tunnel coupling between dots and leads

    在數值計算部分，作為體系的一個特例，我們首先詳細的研究了由四個量子點耦合成的量子點環中的電子輸運，確定了三種結構的共振隧穿譜線對單量子點能級的不同組合情況以及相鄰量子點之間的耦合強度的依賴關系。
  9. According to the theory of electromagnetic fields and temperature fields, the distribution of electromagnetic fields and temperature fields of the large salient synchronous generator with fractional stator slot are calculated and analyzed by the finite element method ( fem ) in this paper

    本文根據電磁場理論，從耦合場的弱耦合角度首先計算了定子具有分數槽繞組的大型水輪發電機的電磁場，並分析了電磁場和溫度場的耦合關系，進而得出電機內的溫度分佈。
  10. Abstract : we conduct a theoretical study on the properties of a bound polaron in a quantum well under an electric field using linear combination operator and unitary transformation methods, which are valid in the whole range of electron - lo phonon coupling. the changing relations between the ground - state energy of the bound polaron in the quantum well and the coulomb bound potential, the electric field strength, and the well width are derived. the numerical results show that the ground - state energy increases with the increase of the electric field strength and the coulomb bound potential and decreases as the well width increases

    文摘:採用線性組合算符及幺正變換方法研究了電場對量子阱弱耦合束縛極化子的性質的影響.推導出量子阱中束縛極化子的基態能量和庫侖束縛勢、電場和阱寬的變化關系.數值計算結果表明，基態能量因電場和庫侖束縛勢的不同而不同，隨電場和庫侖束縛勢的增大而增大，隨阱寬的增大而迅速減小
  11. In this paper, germanium concentration in ge - dopped silicon bulk single crystals was measured by the methods of indution couple plasma ( icp ) direct reading spectrometer, sims, sem - edx, and the effective segregation coefficent of germanium under the situation of the changed speed was calculated, the result was 0. 62. according to the result, the curves of different ge concentrations were got

    本論文利用二次離子質譜（ sims ） 、化學分析法（電感耦合等離子體（ icp ）直讀光譜儀） 、掃描電鏡能譜儀（ sem - edx ）三種方法對不同摻鍺濃度的czsige單晶中鍺含量進行了測試，並對變速拉晶條件下鍺的有效分凝系數進行了計算，得出鍺的有效分凝系數（ ke ）為0 . 62 。
  12. By a large amount of calculations, the influence of the structure dimensions and the dielectric parameters on dispersion characteristic and coupling impedance of this kind of slow - wave structure is obtained. then, the linear beam - wave interaction theories of the arbitrarily - shaped helical groove waveguide and the dielectric into the arbitrarily - shaped helical groove waveguide are deduced. by the numerical calculations, the relationship is got between the small signal gain, bandwidth, electromagnetic " hot " velocity and the electronic beam, the structural parameters

    通過數值計算，獲得了此類慢波結構的色散特性和耦合阻抗隨結構幾何尺寸和介質參數的變化規律;在此基礎上，建立了任意槽形螺旋槽及中心加介質棒的任意槽形螺旋槽行波管的注-波互作用線性理論，並編製程序，計算了管子的小信號增益、帶寬、電磁慢波的「熱」相速與電子注參數、結構參數之間的關系，獲得了增加帶寬或增益的途徑。
  13. According to the theory of electromagnetic fields, the large salient synchronous generator with fractional stator slot are calculated and analyzed by the finite element method ( fem ) in this paper. the fourier analysis method is applied to decompose the air gap magnetic density into the basic spatial component and a series of harmonic components and wave shape eigen coefficient of air gap magnetic field are calculated

    本文根據電磁場理論，從耦合場的弱耦合角度首先計算了定子具有分數槽繞組的大型水輪發電機的電磁場，採用付立葉諧波分析的方法把氣隙磁密分解為空間基波和一系列諧波，進而計算出氣隙磁場波形特徵系數。
  14. Based on the electromechanical coupling characteristic of the multi - machine power system, the transitive closure is calculated depending on the synchronization torque coefficient matrix. then a proper threshold value is chosen to achieve the reasonable block decoupling of multi - machine power system. eigenvalues of block - decoupling subsystem are calculated respectively

    該方法根據多機電力系統的機電耦合特性，在多機系統同步力矩系數矩陣的基礎上，求取傳遞閉包，通過選擇適當的閾值水平，實現多機系統的合理分塊解耦；對各分塊解耦子系統分別計算特徵值，各子系統的特徵值的集合可以近似作為原多機系統的特徵值。
  15. First, because pipelines are so complex that controlled object is high order, delay, coupling, nolinear and time - varing, it is difficult to realize closed loop control for it using valid mathematic model. to resolve this problem, the paper presents a fuzzy - pid control algorithm with self - adjusting regulation factor. second, if a moving motor supplied by inverter power is switched to be supplied by power supply, the impact of overload - voltage and overload - current appears

    主要針對中、大容量供水系統中，由於供水管網鋪設復雜、彎管多、控制對象具有高階、滯后、耦合、非線性及參數時變的特點，難以利用有效的解析式數學模型進行閉環控制，以及多臺水泵並聯運行時，水泵電機由變頻電源供電向工頻電源供電切換過程中產生的過電壓過電流沖擊這兩個難題，提出了可調整因子fuzzy - pid控制演算法及利用鎖相環控制實現水泵電機由變頻電源向工頻電源的同頻同相平滑切換。
  16. Based on the data of the rare - earth element in coals from coal seams of the late permian liupanshui, leping, huangshi and chongqing coal mining districts in south china, this paper focuses on the discussion of the characters of content distribution, occurrence, distribution pattern and geologic factors of the rare - earth element in coals in the studied districts

    摘要在華南地區貴州六盤水、江西樂平和湖北黃石礦區以及重慶鐘梁山和磨心坡煤礦晚二疊世煤的稀土元素電感耦合等離子質譜分析數據的基礎上，系統研究了華南地區煤的稀土元素的質量分數分佈特徵、賦存特徵、配分模式及其地質控制因素。
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