dispersion spectrum 中文意思是什麼

dispersion spectrum 解釋
色散光譜
  • dispersion : n 1 分散,散開;散布,傳播;離散。2 【物理學】彌散,色散;【化學】分散作用;被分散物;分散相,分...
  • spectrum : n. (pl. -tra )1. 【物理學】譜,光譜;波譜;能譜,質譜。2. 【無線電】射頻頻譜;無線電(信號)頻譜。3. 【心理學】(眼睛的)余像;殘像。4. 〈轉義〉范圍,幅度;(連續的)系列。
  1. By using matsubara green function theory, we have studied the magonon spectrum and calculated the magnon dispersion curve on the line in the brillouin zone for different parameters in the system

    利用格林函數方法研究了磁振子聲子相互作用下的二維絕緣鐵磁體的磁振子譜,計算了布里淵區的線上的磁振子色散曲線。
  2. The ft - ir and the energy spectrum tests confirm that aluminium zirconium organic metal coupling agent has been grafted onto the surface of tio2 and sem test shows better dispersion of ultrafine tio2 after modification

    紅外光譜和能譜分析表明,在超微二氧化鈦粉體表面接枝上了鋁鋯有機基團;通過掃描電鏡可看出經過改性后的超微二氧化鈦分散性得到改善。
  3. It is more suitable for the broader sc spectrum generation when the dispersion curve of the fiber is flatter and distance between the two zero - dispersion wavelengths of the fiber is farther from each other

    光纖的色散曲線越平坦,色散曲線的兩個零色散波長相距就越遠,也越有利於超連續譜的展寬。
  4. The results show that, as for the single - mode transmission, the dispersion relations yet include space - dispersion ( k dispersion ) which relates to angular spectrum of fields of in - waveguide, in addition to the material - dispersion and the waveguide - dispersion

    分析結果表明:對于單模傳輸,色散關系中除了與頻率有關的材料色散和波導色散外,還應包括與輸入端光場的角譜有關的空間色散( k色散) 。
  5. Chapter4 : the sc spectrum generated in the dispersion - flattened and decreasing fiber is theoretically researched

    第四章:研究了色散平坦漸減光纖中超連續譜的產生情況。
  6. Second, negative dispersion without absorption, which leads to superluminal light propagation, is achievable in the central resonance structure of the dispersion spectrum. the negative dispersion is slightly weakened as the spacings between dressed states increase

    其次,在色散光譜的中心區域,呈現出無吸收負色散,這種效應能夠導致超光速傳播,但它隨著修飾態間距增加而減弱。
  7. Compare the results of the couple - mode theory, muti - films theory and the transfer matrix method, improve calculation of the delay and dispersion spectrum, 2

    比較分析了光纖光柵主流演算法的優缺點和各自的應用特點,並對時延、色散譜的計算方法進行改進。
  8. The flatness and the bandwidth of the sc spectrum are affected by the dispersion characteristic in a sc fiber

    色散曲線的特性對超連續譜平坦度及寬度有重要的影響。
  9. A flat and broad sc spectrum can be obtained by optimizing the chromatic dispersion design of the sc fiber

    通過對色散曲線的優化設計,可以獲得平坦展寬的超連續譜。
  10. The results show that the fiber with chromatic dispersion that is a convex function of wavelength in normal dispersion region is favorable for generating a flat sc spectrum

    發現在光纖的正常色散區,色散曲線與波長的成凸型函數關系的色散特徵,有利於平坦光纖超連續譜的產生。
  11. Secondly, we should consider the dispersion of the material to redesign the pif because dispersion will move the filtering curve in spectrum domain

    第二,由於色散會使濾波曲線移動,所以必須考慮材料的色散而後相應地重新設計pif 。
  12. A perturbation method by tight - binding approximation which provide the relation of phase constant and angular spectrum of fields of in - waveguide is presented. the strip width of phase constant can be given. on the other hand, the group delay - time due to the k dispersion in single - mode transmission can also be estimated

    提出一種利用緊束縛近似的微擾法計算陣列波導的相位常數與輸入光角譜的關系,由此算出相位常數的帶寬,並利用衍射方法估算單模傳輸中k色散引起的群延時。
  13. It ’ s known from the transportation function that the dispersion can only influence the phase of optical pulse ’ s spectrum, which can be easily described by a frequency transfer function

    該方程表明:色散效應只會影響頻譜的相位,而對頻譜的強度分佈沒有影響,而且色散效應可以簡單的由傳遞函數表示出來。
  14. The composition and mechanism of cdse thin films were explored by x - ray energy dispersion analysis ( eds ) and x - ray penetration spectrum ( xps ). the effect of electro - deposition conditions such as potential ( vs. sce ) of cathode, concentration of electrolyte on composition and mechanism of as - fabricated cdse thin films were gained, which provided experimental foundation and ideal basis for template - electro - deposition preparation of cdse nano - wire arrays

    採用eds和xps兩種分析方法對cdse薄膜的組成進行了表徵,得到了陰極電位值( vs . see )和電解液濃度對edse薄膜組成的影響關系,為以hzseo3和seso32 -為硒源,用模板一電沉積法制備cdse納米線陣列提供了實驗依據和理論基礎。
  15. The origin of supercontinuum spectrum ( sc ) generation in optical fibers has been shown to be the interplay between fiber nonlinear effects ( such as self phase modulation, cross phase modulation, stimulated raman scattering and stimulated brillouin scattering etc ) and group - velocity dispersion ( gvd )

    光纖中超連續譜supercontinuumspectrum ( sc )的產生源於光纖中各種非線性效應(如自相位調制效應、交叉相位調制效應,四波混頻效應、受激raman散射與受激brillouin散射等)和群速度色散共同作用。
  16. Melp vocoders utilize mixed pulse and noise as the excitation to elimate the buzzes in traditional lpc vocoders, and add a jitter voicing state to overcome the tonal noise. parameters " interpolation, adaptive spectrum enhancement and pulse dispersion also are adopted to improve the continuity. the synthetic speech of melp vocoders sound much more natural and perceivable than the traditional vocoders "

    Melp聲碼器採用混合脈沖和噪聲激勵解決了經典lpc的嗡嗡聲的問題;引入了抖動濁音狀態以克服音調噪聲;利用參數插值、脈沖散布和自適應譜增強等措施提高合成語音的自然度和可懂度;此外還採用了多帶激勵,使其具有了比較強的抗背景噪聲的性能。
  17. Chapter5 : the effect of cross - phase modulation ( xpm ) on pulse propagation and sc spectrum generation in a dispersion - flattened and decreasing fiber are researched. it is found that xpm could enhance the sc spectrum generation and increase the generation efficiency

    研究結果表明,交叉相位調制效應對超連續譜的產生起到增強的作用,提高了超連續譜產生的效率。
  18. The spectrum was obtained with the subaru telescope ' s high dispersion spectrograph with exposure time of three hours

    頻譜獲得與列表望遠鏡的高色散光譜儀曝光時間3小時
  19. The results show that the dispersion slope of dispersion - shifted fiber is crucial to sc generation. a flat and ultra - broad - band sc spectrum is obtained by optimizing the fiber parameters and the peak power, pulse width of pump pulse

    通過對光纖色散斜率的優化設計並綜合考慮泵浦脈沖功率、脈沖寬度對sc譜譜寬和平坦度的影響,獲得了平坦、超寬的sc譜。
  20. The interleaver with channel spacing of 50ghz is designed and prototype device is achieved. we test experimentally the interleaved spectrum in the c - band which is rectangle with ripple of less than 0. 1 db. and through measuring its time delay, we obtain the character of its dispersion. a novel architecture of 50ghz mfpi interleaver with different passband widths is put forward at first

    2 、設計了通道間隔為50ghz的mgti型interleaver濾波器,獲得了該濾波器的原型器件;實驗得到了該器件在c波段兩組交錯分波的矩形化光譜,其紋波小於0 . 1db ,通過對器件時延的測量,間接獲得了其色散特性;首次提出mfpi型不等帶寬50ghz的interleaver濾波器技術方案。
分享友人