grating spectrum 中文意思是什麼

grating spectrum 解釋
光柵光譜
  • grating : n. 1. 格柵，格子；（船上作地板或透光用的）格子板，格子蓋。2. 【物理學】光柵。adj. 刺耳的，使人煩躁的，討厭的。n. 摩擦，摩擦聲。adv. -ly
  • 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. ( 5 ) method of bandwidth compression of holographic grating based on discrete spectrum and realization of a 1 / 8 bandwidth compression of holographic grating ( 6 ) holographic stereogram display that can be implemented using cgh and imaging process through capturing sequence parallax images based on result of computed basis fringe

    採用空間頻率域的子采樣，計算了一個8倍的條紋函數壓縮編碼結果，並給出了簡單易行的解碼方式。 6 、利用獲得的基本條紋函數合成了一個基於序列視差圖像的立體圖顯示，實現了三維數據未知的物體的三維全息顯示。
  2. Study on simulation of reflection spectrum and group delay in chirped fiber grating

    啁啾光纖光柵反射譜與時延模擬研究
  3. The spectroscopic analysis carried on ni - based alloy visible spectrum with grating spectroscope and prism spectroscope and color spectrum had been taken, characteristic of visible spectrum was studied in ni - based alloy

    摘要使用光柵看譜鏡和棱鏡看譜鏡對鎳基合金可見光譜進行看譜分析，攝制彩色圖譜，研究基體元素鎳和各成分元素的可見光譜特徵。
  4. Numerical calculation for the transmission spectrum of a novel long period fiber grating

    一種新型長周期光纖光柵透射譜的數值計算
  5. I also carried some research on the bragg grating composed by alternate left - handed material and right - handed material. in the reflective spectrum of the bragg grating, there exists bragg top zone ( with reflectance almost 100 % ). however, i found that there exists some narrow transmission bands located in the bragg zone under some conditions

    另外，這篇論文里還要講到正負交替的材料組成的布拉格光柵也有很反常的現象，在光柵的反射譜上，我們不僅可以觀察到和傳統布拉格光柵相類似的布拉格平頂區，我們還可以看到在一定條件下，布拉格平頂區中會有一個很窄的反常透射區，也就是說只有很窄區域的波長可以透過光柵，而且中心波長是100 %透過。
  6. Based on the requirement and target of the projects, firstly, pcf bragg grating are investigated theoretically and experimentally. moreover, the effects of filling high refractive index material ( nematic liquid crystal, nlc ) in pcfs on the transmission mechanism and propagation properties are studied by using plane - wave method and finite - element method ( fem ), farther, several novel pcfs are proposed and designed. lastly, we propose and demonstrate a clad - pumped er3 + / yb3 + - codoped fiber laser, which integrate all performances of broad - band tunable wavelength, uniform output power spectrum, high repeat frequency and high average power to together

    本論文選題于國家973 、 863以及國家自然科學基金等項目，結合課題的要求和主要目標，在對光子晶體光纖（ pcfs ）傳輸特性研究的基礎上，首先對光子晶體光纖光柵進行了理論和實驗研究;然後，採用平面波展開法和有限單元法分析了在光纖的空氣孔中填充高折射率液晶對光纖傳導機制和傳輸特性的影響，提出並設計了幾種新型光子晶體光纖;最後，提出並研製成功連續可調諧、輸出功率譜均衡的全光纖化、高功率包層泵浦鉺鐿共摻光纖激光器實驗樣機。
  7. Comparison of amplitude vector method and half - wave spectrum method to analyze grating diffraction

    振幅矢量法與半波帶法分析光柵衍射的比較
  8. Using the couple mode theory, the reflection spectrum, the peak reflectivity and the reflection bandwidth of several typical fiber grating filters have been theoretically analyzed and numerically simulated

    數值模擬了它們的反射譜分佈、峰值反射率以及反射帶寬隨光纖光柵的長度和光柵折射率的調制深度的變化關系。
  9. For the first time, three types of sine structures for wavelength linear scale in grating spectrum instruments are described systematically. the tuning structures for wavelength linear scale in both littrow and littman set - up external - cavity laser diodes are designed

    （ 3 ）首次系統地分析了光柵光譜儀器中的三類正弦機構，分別設計了可實現波長線性標度的littrow和littman外腔半導體激光器調諧機構。
  10. In this system, we employed a newly developed multi - channel photodetector - ccd ( charge coupled devices ), as well as a concave holographic diffractive grating, to form multi - channel splitting system of spectrum - polychromator. these all solidified the foundation of the fast measurement subsequently

    在本系統研究中，採用新型的多通道光電探測器件? ?電荷耦合器件（ ccd ） ，並引入平場凹面光柵構成了多通道光譜分光系統? ?多色儀，從而為多通道快速光譜測量準備了物質條件。
  11. 2 、 several theory analysis method for fiber grating properties is well introduced, the spectrum properties of uniform bragg fiber grating 、 distributed feedback fiber grating 、 f - p cavity 、 tophat fiber grating 、 sampled fiber grating 、 chirped fiber grating and apodization of fiber grating is simulated by using these method

    2 、詳細介紹了光纖光柵的幾種理論分析方法，並應用這些方法對各種不同的光柵器件特性進行模擬計算，包括均勻周期布拉格光柵、分佈反饋式光柵、法布里玻羅腔、 tophat光柵，取樣光柵，啁啾光柵及光纖光柵切趾等。
  12. A mathematical transformation algorithm precisely reconstructs the spectrum with a 4x signal - to - noise improvement as compared with a slit - based system equipped with identical source, grating and detector components, and 70 - 80x greater than with a fiber input of equivalent resolution

    一個數學轉換元演算法則精確地改造了光譜，在使用相同的光源、光柵和探測原件的情況下，與傳統的基於狹縫技術的系統相比，新的光譜儀將信噪比提高了四倍，而進光量提高70 - 80倍。
  13. The photographic data record of the transmission grating spectrometer is a 2 - d representation of x - ray spectrum ( wave length vs time )

    其測得的軟x射線連續譜有較好的時間解析度（ t 20ps ）和適當的空間解析度（ 1 ） 。
  14. Then, using transfer matrix theory get the spectrum ' s simulation results of apodization grating

    建立了光纖光柵測溫模型，並利用實驗對該模型進行了相應驗證。
  15. 三. dynamic gain equalizer ( dge ) based on volume phase grating ( vpg ). edfa ' s gain spectrum has dependence on the edfa ' s operate point

    Edfa在不同的工作狀態具有不同的增益譜，這就要求增益補償器件的增益譜形狀要隨edfa工作狀態的不同而發生變化。
  16. Usually, it is thought that the lasing wavelength of a fgesl is locked at the bragg reflection wavelength of fiber grating ( fg ). owing to a relatively small dependence of the reflection spectrum of fg on ambient temperature ( - 0. 01nm / c ), the lasing wavelength of a fgesl is thought to behave more stable than that of a dfb - ld

    由於fgesl的激射波長主要由光纖光柵（ fg ）的布拉格波長確定，因此選擇具有合適布拉格波長的fg就能使fgesl的激射波長處于預置波長處；同時，由於fg的布拉格波長受溫度變化的影響相對較小（ 0 . 01nm ） ，因此fgesl與dfb - ld相比具有更高的溫度穩定性。
  17. Theoretical and experimental research on reflection spectrum characteristic of tilted fiber bragg grating

    傾斜bragg光纖光柵反射譜特性理論和實驗研究
  18. In this system, we employed a newly developed holographic filed concave grating as splitting beams element, as well as multi - channel photodetector - ccd ( charge coupled devices ) as spectrum detection. these all solidified the foundation of measurement ; microcomputer control make the system automatic

    採用新型的全息平場凹面光柵作為分光元件，並引入多通道光電探測器件ccd進行光譜信號探測，為光譜反射率的測量準備了物質條件；採用微型計算機控制，達到自動化測量。
  19. The technique of fiber grating made the research, manufacture and integration of all optical fiber devices possible, so fiber grating will act an important part in aon. the applications have caused people ' s great interest and enthusiasm such as optical switch, optical add / drop multiplexer, and optical fiber ' s dispersion compensator, etc. using transfer matrix method and procedure of numerical analysis, the paper analyze theoretically that how grating ' s parameters influence sampled gratings " reflective spectrum

    光纖光柵技術使得全光纖器件的研製和集成成為可能，故光纖光柵將在全光網中扮演十分重要的角色，它在光開關、光的分插復用、光纖的色散補償等關鍵技術中的應用已引起人們的極大興趣和研究熱情。
  20. Experimental research of fiber jacket on mechanically - induced long - period fiber grating spectrum

    光纖塗覆層對應力長周期光纖光柵傳輸譜特性影響的實驗研究
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