delay dispersion 中文意思是什麼

delay dispersion 解釋
時延色散
  • delay : vt 延遲，拖延，耽擱。 We ll delay the party for two week 我們要把會期延遲兩周。 The train was del...
  • 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...
  1. The spectral and group delay characteristics are studied and the potential uses of this type of grating for wavelength selection and dispersion compensation are discussed. a novel scheme of oadm configuration based on linearly chirped moir fiber gratings is proposed. we have designed a lcmfg to compensate dispersions for eight channels at the same time

    在此基礎上，提出了一種新型的基於線性啁啾moir光纖光柵的光分插復用器（ oadm ）的結構設計方案；並設計出一種中心波長、相鄰中心波長間隔都符合itu規定的dwdm波長標準的基於線性啁啾moir光纖光柵的多通道色散補償器件。
  2. A new accurate method for measuring the birefringence of muscovite mica has been reported in terms of the dispersion relations of the indices and the variety relations between the phase delay and the wavelength

    摘要根據雲母折射率的色散關系和相位延遲隨波長變化關系，給出了一種測量雙折射率比較精確的方法。
  3. This paper introduces a kind of technology, by which a new type of polarization delay structure is used to manufacture narrow - channel - interval interleavers, which arc characteristic of small in insertion loss, polarization dependent loss and polarization mode dispersion, and easy in assembly

    文章介紹了一種利用偏振延遲結構製作窄通道間隔的梳狀分波器的技術，使用該技術製作的梳狀分波器具有插入損耗低、偏振相關損耗低、偏振模色散小且組裝方便等特點。
  4. The spectra characteristics, dispersion and time delay of the fiber gragg grating are analyzed and simulated with couple - mode theory

    利用耦合模理論對光纖布喇格光柵的光譜特性、色散和時延特性進行分析和計算機模擬。
  5. 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。
  6. Chromatic dispersion measurement of multimode graded - index and single - mode optical fibers by spectral group delay measurement - variable aperture method in the farfield

    利用光譜組延遲測量法進行多模漸變折射率光纖和單模光纖的色散測量.遠場可變孔徑法
  7. 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。
  8. On the following, on the basis of formulas given above, three kinds of effects due to ionosphere are presented : image shift due to group delay which was caused by the difference between the group velocity and the velocity of light in the ionosphere ; image distortion due to ionospheric dispersion which can create second phase error of lfm signals ; the last, the phase perturbation caused by the irregularities of the ionosphere can reduce the coherent length and affect azimuthal resolution

    文中主要研究了電離層的三種影響：信號經過電離層傳播的群延遲引起的成像偏移；電離層的色散效應給線性調頻信號帶來二次相位誤差，導致圖像退化、失真；以及電離層的閃爍、湍流等不規則性引起的信號相位起伏。在此基礎上，比較分析了不同波段、帶寬條件下電離層的影響。
  9. The second part mainly reviewed the study history, actualities and existinbg problem. this is helpful for the model building, variables selecting and parameter estimating, hi the third part, the arrival process and serve process are studied based on the survey data, especially the delay process is mainly analyzed including the dispersion vehicle headway time distribution

    第三部分則根據實測數據，對交叉口車輛的到達過程和服務過程作了詳細的分析，特別分析了車輛的受阻過程，並用對數正態分佈擬合排隊車頭時距的分佈，為模型的建立和車輛延誤過程的模擬奠定了基礎。
  10. On the other hand, a new technology using tunable laser as light source of delay system is proposed, which uses the characteristics of optical fiber material dispersion which means that the refraction index of optical fiber changes along with the difference of transmitting wavelength

    另一方面，提出一種通過採用可調諧激光器作為系統光源的技術，利用光纖的材料色散特性即光纖的折射率隨傳輸波長變化而改變的特點，來改變延時光纖中信號存儲的時間，從而達到提高光纖延遲線延時精度的目的。
  11. In wireless digital transmissions, due to the delay dispersion of the transmitted symbols and the limitation of channel bandwidth, the channel may induce inter - symbol interference ( isi ), which results the frequency selective fading

    在無線數字傳輸中，由於時延擴展和通道帶寬限制，引起碼間串擾，產生頻率選擇性衰落。
  12. As a result, the peak power, pulse width and time delay of the output pulse have been investigated in detail, including the chirp of the input pulse and the linear dispersion of the filter, and some new and important conclusions have been obtained for the first time

    並分析了濾波器的線性色散和入射脈沖的啁啾大小對輸出脈沖的影響，對實際的光通信系統中器件參量的設計具有一定的指導意義。利用耦合模理論，對幾種典型的光纖光柵進行了研究。
  13. 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。
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