wave coupling 中文意思是什麼

wave coupling 解釋
波耦合
  • wave : n 〈美海軍〉女志願軍人〈見 WAVES 條〉。n 1 波浪;碎浪; 〈the wave(s)〉 〈詩〉海。2 波動;波狀...
  • 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. This paper analyses the coupling wastage in columniform wave guide gas laser, and gives the function between the coupling wastage of laser guide modulo eh11 and the position and radius of reflector

    摘要分析了圓柱形波導氣體激光器中的耦合損耗,給出了最低階波導模eh11的耦合損耗與反射鏡位置、曲率半徑的函數關系。
  2. 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。
  3. In this paper, high - order accurate weighted essentially non - oscillatory ( weno ) schemes are investigated and their applications in hyperbolic conservation laws are discussed. based on this, a new weno difference scheme which based on dispersion - relation - preserving relation is developed, and representative test cases with this scheme for computational aeroacoustics ( caa ) problems has been implemented and compared in order to test capability of wave capturing ; in addition, weno schemes generally do not converge at high order in the presence of contact discontinuity of euler equations, so a conservative front tracking technique coupling weno schemes and level set method to simulate the translating density profile is presented here, and numerical simulation with this technique for representative test case has been implemented and results show the desired accuracy

    本文研究了高階精度加權基本無振蕩( weno )格式及其在雙曲守恆律方程中的應用,在此基礎上作了兩個方面的工作:一是針對高頻聲波問題構造出一種基於保色散關系( drp )的weno有限差分格式,並對計算氣動聲學( caa )問題的代表性算例進行了大量數值實驗,比較了該格式捕捉波數的能力;另外,針對高階weno格式在處理euler方程的接觸間斷時精度有所降低的問題,研究了利用界面追蹤技術levelset方法和高階激波捕捉weno格式相結合的一種守恆追蹤方法,並且給出有代表性的密度滑移面問題的算例,得到一致高階精度的數值模擬結果。
  4. Around 40 ; the neutral curve obtained by the growth rates of the temperature fluctuation has a ringlike curve separated from the main branch of nachtsheim s calculation by velocity fluctuation at the lower grashof number side ; and its phase velocity is close to the maximum mean velocity where the critical layer of the eigenmode locates. the thermal fluctuation decays rapidly as the nondimensional frequency above 0. 4, so that it means that the coupling effect between instability wave generated by buoyancy fluctuation and velocity waves by invicid instability seems weak enough for their critical layers in the range of the nondimensional frequency

    詳細研究了自然對流邊界層中最早失穩的浮力振型的功率譜波長波速與臨界層位置等基本特徵和它為主導其他振型尚未失穩時按線性理論得到的3種相互獨立振型的振幅分佈。系統地測量了它所對應的溫度和速度漲落的振幅增長規律和中性曲線,實驗結果表明,溫度漲落的中性曲線在低格拉斯霍夫grashof數
  5. The slow - wave characteristics neglecting and taking account of space harmonics ( sh ) for periodically iris - loaded confocal elliptical waveguides are analysed, and the dispersion equation and the mean coupling impedance of this structure are obtained by

    分析了周期膜片加載共焦橢圓波導,在考慮空間諧波和不考慮空間諧波兩種情況下的慢波特性。應用場匹配方法得到這種結構的色散方程和平均耦合阻抗。
  6. And this result is extended to the eigenfunction of maxwell ' s equations. then the mode series of step index planar dielectric waveguide and circular optical fiber are studied, including propagation modes and radiation modes. as application, there are three examples : the emergent wave from planar waveguide to free space, the transverse and longitudinal coupling of waveguide and the measurement of scalar gratings

    由於從一個空間到另外一個空間的光束傳播伴隨著界面上各個模式能量之間的耦合,作為應用,本文介紹了完備性在三個情況下的應用:平面波導出射光束的衍射性質、波導的橫向和縱向耦合以及標量光柵的測試。
  7. The polarization effect of the folded mirror is discussed, through solving the coupling wave equation numerically, its influence on the stability is analyzed. it indicates that the folded mirror plays an important role in restraining the green noises. 2

    用jones矩陣法分析折疊鏡的偏振效應,通過數值求解耦合波方程討論了這一效應對綠光輸出穩定性的影響,說明了折疊鏡在抑制綠光噪聲上的重要作用; 2
  8. Based on the band transport model, the formation of refractive index grating in photorefractive crystal is discussed firstly. then the characteristics of two - wave coupling, four - wave mixing and light - induced scattering are analyzed

    本文主要從實驗上研究了cu : knsbn晶體的自泵浦相位共軛特性及cr : sbn晶體的四波混頻相位共軛特性及其應用。
  9. Based on local coupling mode theory of graded index optic fiber wave guide, the variation regularity of coupling output light has been deduced when sound wave acts on single mode optic fiber coupler. and a new idea has been proposed that a novel sensor can be applied on detection of acoustic / vibration. the sensing element of sensor is the melting area of single mode coupler in which the feasibility of the new - type optic fiber sensor has been proved in experiment

    本文從緩變光纖波導的局部耦合模理論出發,推導出了單模光纖耦合器耦合分光在聲波作用下的變化規律,提出了以單模光纖耦合器的熔融區為傳感元件的傳感器在聲振動信號檢測中應用的新思想,並實驗論證了這種新型光纖傳感器應用於實際的可行性。
  10. In this paper, according to the wave - packet function of singularity particle in potential field of harmomic oscillator, the wavefunction and associated probability density of coupling harmomic oscillator is calculated and discussed according to the distinguishable particles and indistinguishable particles

    摘要根據諧振子勢場中單個粒子的波包函數,推導出了耦合諧振子的波函數和聯合幾率密度,特別是不可區分粒子的干涉項,並按照可區分粒子與不可區分粒子進行了討論。
  11. The detail study on the interaction between the electron beam and standing wave of complex cavity gyrotron with gradual transition and gyroklystron has been done in this dissertation, supported by the pre - study important items " the study on 8mm third harmonic gyrotron with a permanent magnet system " and " the study on 8mm high power gyroklystron ". the main works of this dissertation are listed as following : 1. the study on the rf distribution of the complex cavity with gradual transition is presented, in which the multi - modes coupling are taken into account

    本論文就是結合該課題組的「九?五」重點項目「 8mm三次諧波永磁包裝迴旋管技術的研究」及「十?五」重點項目「 8mm高功率迴旋速調管技術的研究」 ,對以諧振腔為互作用高頻系統的迴旋脈塞器件中兩種典型的器件? ?迴旋振蕩管及迴旋速調管中電子注與駐波場的互作用進行了深入細致的探討和研究,其中迴旋振蕩管採用的是漸變復合腔。
  12. By calculating instability factor in research area, this paper gives some corresponding suggestion. this paper shows engineering instability around instrument foundation and coupling relation to the circumjacent seabed, and research the dynamic response between wave and seabed, and enriches the research content of instability of seabed around instrument foundation and give some appropriate suggestion to foundation planning of ocean engineering, also it prevents instrument, facility and property of state from losing and risking

    這篇論文揭示了構築物地基土的工程穩定性及與周邊海域互動禍合關系,研究了淺水區構築物底床在波浪等水動力作用下的動力響應,豐富了構築物周邊水下底坡穩定性研究的內容,為海上工程設施的地基設計提供了良好的理論指導性建議,對保障海上安全生產、保證海洋設施的完整及使國家財產免受損失也有重要的現實意義。
  13. High accuracy can be obtained in direction finding system where the angle of incidence is determined by the phase information of the incident wave, but the mutual coupling between antennae will effect the performance of the system

    利用相位信息確定來波入射角能達到較高的精度,但測向天線之間的互耦對系統性能的影響很大。
  14. Abstract : high accuracy can be obtained in direction finding system where the angle of incidence is determined by the phase information of the incident wave, but the mutual coupling between antennae will effect the performance of the system

    文摘:利用相位信息確定來波入射角能達到較高的精度,但測向天線之間的互耦對系統性能的影響很大。
  15. 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。
  16. The main job of this research is : ( 1 ) analyze the operation situation of power system during faults ; pay attention to the traveling wave on the three - phase transmission line ; study the equation of voltage on three - phase transmission line with impedance capacitance coupling between phases ; contact the voltage on any point with the fault voltage, study the singularity of the voltage signal in fault point, and make it to be the base of the new fault detection method ; ( 2 ) apply the singularity detection theory based on wavelet analysis to the power system faults detection, give a complementary criterion to current fault detection criterion, study how to select the basic wavelet, how to filter noise, how to detect the singular point or fault point, and finally give a total solution. the simulations prove it to be a quick, correct and effective fault detection method

    本文的主要工作有: ( 1 )分析電力系統在發生故障時的運行狀態,尤其對三相傳輸線上的故障行波進行了分析和研究,推導了考慮相間耦合的三相傳輸線電壓方程,並將傳輸線上任一點的電壓與故障點電壓建立起聯系,得出了傳輸線上電壓信號在故障點處的奇異性,並以此作為構造新的故障檢測演算法的理論基礎; ( 2 )將基於小波變換的信號奇異性檢測理論運用於電力系統故障檢測中,針對目前相關研究的不足,提出了電力系統故障檢測判據的補充判據,通過對基本小波的選擇、除噪措施、信號奇異點也即故障點的檢測方法所作的分析,給出了一個可行的解決方案;模擬研究表明:這是一個快速、準確、有效的故障檢測演算法。
  17. Coupled - mode theory ( cmt ) has been developed from the orthogonal cmt to the nonorthogonal one as well as from the scalar cmt to the vector one during these scores of years. it was applied extensively in guided - wave optics as an effective mathematical tool for the analysis of the coupling between the modes. however, as far as we know, there has not been any report of the rigorous vectorial cmt in the relative publication at home and abroad

    耦合模理論在這幾十年的發展歷程中,從正交耦合到非正交耦合,從標量耦合到矢量耦合,作為很有效的數學工具分析電磁場中的模式耦合,但據我們所知,嚴格的具有普遍適用性的非正交矢量耦合模理論還未見報道,因此耦合模理論還有待于進一步完善。
  18. From three - wave coupling equations, the optimal crystal length, conversion efficiency and parametric light pulse width are computed numerically when clbo is used in picosecond optical parametric amplification. the results present that clbo are suited for optical parametric amplification in short wave band. in order to get higher conversion efficiency, the crystal length should be optimized according to the intensities of pump and signal waves

    從三波耦合方程出發,對clbo用於皮秒級光參量放大時,最佳晶體長度、轉換效率和參量光的脈沖寬度進行了理論分析和數值模擬,結果表明clbo晶體適合在短波范圍作光參量放大,為達到高的轉換效率和窄脈寬的信號光輸出,泵浦光和初始入射信號光的強度應根據晶體長度取最優化值。
  19. Experiments of " detuned subharmonic resonance " or " tri - wave coupling " were also carried out with the technique of bicoherence analysis

    應用雙相干分析技術,還實驗研究了「失調亞諧共振」或「三波耦合」非線性過程。
  20. We draw the conclusion that 1000ppm cr : sbn crystal has greater phase - conjugate reflectivity than 500ppm cr : sbn crystal. we find that the phase - conjugate reflectivity depends on the direction of two - wave coupling. we utilize 1000ppm cr : sbn crystal to correct a distorted picture because of its super phase - conjugate characteristic

    還討論了光束耦合方向對cr : sbn晶體的四波混頻相位共軛特性的影響;利用cr : sbn晶體四波混頻相位共軛特性進行了圖像畸變消除的實驗。
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