相對色散 的英文怎麼說

中文拼音 [xiāngduìshǎisǎn]
相對色散 英文
relative dispersion
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : 色名詞[口語] (顏色) colour
  • : 散動詞1. (由聚集而分離) break up; disperse 2. (散布) distribute; disseminate; give out 3. (排除) dispel; let out
  • 相對 : 1. (面對面) opposite; face to face 2. (非絕對的) relative 3. (比較的) relatively; comparatively
  1. The ionosphere is a complex medium, which is aeolotropy, asymmetry, dispersive and changes randomly with time. in order to improve the communication quality of the shortwave that depends on the ionosphere, we should have aknowledge of the current condition of the ionosphere in real time. the backscatter sounding of high frequency can diagnose the real - time channel characters for shortwave communication or hf radar, which is great assistant to shortwave communication and hf radar

    電離層是隨機時變,各向異性,非均勻、的復雜介質。為了保證依賴于電離層進行的短波通信質量,必須了解電離層的實時狀態信息。高頻返回射探測可以實時監測與短波通信或高頻天波雷達關的天波傳播通道的狀態,短波通信和天波雷達工作起了重要的輔助作用。
  2. The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro

    激光陀螺的核心部件為he - ne環形激光器,而掌握光與介質的互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在密度矩陣理論的基礎上,推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程,運用介質極化理論得出描述激光陀螺反向行波的光強、位所滿足的自洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ,激光陀螺中的介質增益特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和位特性進行模擬試驗研究,並且運用全量子理論,激光工作原理進行分析,得出二能級系統單模輻射場的光子數密度分佈,得出激光場的光子統計分佈,模擬激光場的動態建立過程。
  3. The objective of pif is to realize a certain distribution of interference spectrum, while that of the achromatic wave plate is to realize the retardation by using several crystals to modulate the input beam

    Pif是要實現一定的干涉光譜分佈;消波片則是要通過多塊晶體入射光的調制實現一定的位延遲。
  4. 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:一是針高頻聲波問題構造出一種基於保關系( drp )的weno有限差分格式,並計算氣動聲學( 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。
  5. The dispersion equation of full relativistic longitudinal plasmon was numerically evaluated, and the dispersion curve and simulated dispersion relationship for full relativistic temperature were given

    摘要完全論性縱「等離激元」的方程進行數值計算,得到完全論性溫度下的曲線和擬合關系。
  6. The dispersion equation represented by the plasma dispersion function is numerically evaluated, the dispersion relationship for nonrelativistic longitudinal oscillation is derived from the kinetic plasma equations

    摘要從等離了體動力論方程出發,通過由原函數表示的方程進行數值計算來研究非論性等離子體縱振蕩的關系。
  7. As a high - power twt, we consider the relativistic effect of the solid beam. the numerical results are given in terms of the small signal gain curve and slow - wave ration curve

    作為大功率的行波管,我們考慮了電子注的論效應,數值求解「熱」方程,得到脊加載盤荷波導幾何參數和電子注參量與小信號增益的關系。
  8. Testing of pigments and extenders ; determination of relative scattering power of white pigments ; black - ground method

    顏料和填充料的試驗.白顏料的力的測定.背
  9. It is proved that hyperbolic - secant pulses ( solitons ) have inherent ability to suppress pmd, this adaptive ability is due to the balance between nonlinear xpm effect and pmd effect. it is studied on the influence of polarization - mode dispersion on wdm system in this dissertation

    大量研究已經證實了雙曲正割形脈沖(孤子)偏振模具有本徵抑制能力,這種自適應能力歸功于交叉位調制效應與偏振模效應之間達到平衡。
  10. Analysis of the dispersion on relativistic traveling wave tube

    論行波管特性分析
  11. We study the time evolution law of the atomic response in an open - type inversionless lasing system when the probe or driving field is off - resonance, and compare the law with that obtained when the probe and driving fields are resonant. we find that the detuning has considerable effects on the time evolution law : when the probe or driving fields is off - resonance, the dispersive responses for the probe and driving fields are no longer 0 and the two - photon coherence is no longer a pure real ; the variation of the probe detuning can make the time evolution law of the population distributions and the gain ( absorbtion ) of the driving field changing obviously ; with detuning increasing, the time evolution behavior of the gain ( absorbtion ), dispersion of the probe field and the two - photon coherence will gradually diviate from the evolution law of the standard damped oscillator ; with the driving detuning increasing, the oscillating time of the dispersion of the driving field becomes longer, the amplitude and the stationary value increase

    研究了探測場或驅動場失諧情況下開放的型無粒子數反轉激光系統中原子響應的時間演化規律,並與探測場和驅動場都共振時的演化規律進行了比較.我們發現失諧時間演化規律有顯著的影響;當驅動場或探測場失諧時,原子探測場和驅動場的響應不再為零,雙光子干不再是純實量;探測場失諧的變化將使粒子布居和驅動場增益(吸收)的時間演化規律明顯改變;隨著失諧的增大,探測場增益(吸收) 、和雙光子干隨時間的演化行為逐漸偏離標準阻尼振子的演化規律;驅動場驅動場失諧量的增加而振蕩時間變長,振幅和穩定值變大
  12. In section one, we analyze the mechanism of lwi gain, and study the effects of the rabi frequency q of the driving field, the injection rates ratio rb / r ~, the exit rate r0, the decay rates ~ and rab between atomic levels, as well as 3 incoherent pump rate r on the gain without inversion, dispersion and population difference of the system. in section two, we discuss the effects of the detuning of the driving field and the probe field on the gain

    在第一節中分析了無粒子數反轉激光增益產生的機制、研究了驅動場的rabi頻率、粒子注入速率比值r _ b / r _ c 、粒子退出速率r _ o 、能級間的自發衰減速率r _ ( c - b ) 、 r _ ( a - b )和非干泵浦速率r增益、和粒子數差的影響;第二節討論了驅動場和探測場的失諧無粒子數反轉激光增益的影響。
  13. Conventional optical phase retarders are mostly designed by birefringent material. the refractive indices depend on the wavelength so strongly that the retardation is close to wavelength, here we call this dependent relationship the birefringent dispersion of material. this is the reason why conventional optical phase retarders are mostly applied to a single wavelength but ca n ' t be used to varied wavelength, so they are inconvenient to handle

    常規的光位延遲器是由雙折射材料製成的,由於材料的雙折射率同波長密切關,使其產生的位延遲量也同波長具有嚴格的一一應關系(即材料的現象) ,因而常規位延遲片多用於單一波長,不同波長之間使用不可兼顧,這在使用中帶來諸多的不便。
  14. General methods of test for pigments and extenders. part 24 : determination of relative tinting strength of coloured pigments and relative scattering power of white pigments. photometric methods

    顏料和填料的一般試驗方法.第24部分:有顏料力和白顏料射力的測定.光度測定法
  15. A grasp of their works can lead us to a better understanding of the general development of classical prose written in taiwan

    而且在了解遊宦文特的同時,其不足之處也會地呈顯出來,此時本地文人的文作品,其因襲與革新之處便洞然可知了。
  16. Three shaped profiles ( parabola, linear, and exponential ) have been considered. the exponential dispersion profile fiber loop is optimal for the propagation and compression of picosecond pulse. on the contrary, the parabola dispersion profile fiber loop is optimal for femtosecond pulse due to the high order effects such as the third order dispersion ( tod ), stimulated raman scattering ( srs ) and self steeping ( ss )

    ( 3 )研究不同遞減類型(拋物線遞減、線性遞減、指數遞減)光纖構成的環形腔中傳輸的特性,發現其曲線為指數遞減型光纖有利於皮秒光脈沖的傳輸與壓縮;而于飛秒脈沖,由於三階( tod ) 、脈沖拉曼自射( srs )及自變陡( ss )等高階非線性效應的影響,情況恰恰反;曲線為拋物線遞減型的光纖構成的光纖環最有利於脈沖傳輸與壓縮。
  17. This paper studied the dispersion and the field distribution of the wave - guide with helical corrugation operating in 8mm wave band. the main works of this dissertation are listed as following : 1. based on the theory of coupled - wave, using the method of perturbation, the coupled - wave equations are derived and the rule of coupling is gotten. 2

    2 .利用螺旋波紋波導的耦合波方程和模式耦合規則,得到波導方程,利用visualfortran平臺編程進行數值模擬,分析關物理參數特性的影響;波導的行波幅值耦合方程進行數值模擬,從而簡化了耦合方程,在此基礎上利用visualfortran平臺編程進行數值模擬,分析螺旋波紋波導的場分佈情況。
  18. Testing of pigments and extenders ; determination of relative scattering power of white pigments ; black - ground method, procedure, example, test medium alkyd resin

    顏料和填充料的試驗.白顏料的力的測定.背
  19. Test methods for pigments - part 3 : tinting strength - section 3 : determination of relative tinting strength of coloured pigments and relative scattering power of white pigments - photometric methods

    顏料試驗方法.第3部分:著力.第3節:彩顏料的力和白顏料力的測定.光度測定法
  20. Using this model the basic demultiplexing characteristics of edo are obtained. the results include the intensity distribution along output, spectral response, dispersion, etc

    利用這個模型設計好的器件參數進行了模場形狀、頻譜應、等復用性能的模擬。
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