bragg method 中文意思是什麼

bragg method 解釋
白雷格法
  • bragg : n. 布拉格〈姓氏〉。
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. By improving the conventional electric - arc fusion method, we have realized the splicing between two kinds of mofs and smf with relatively low splice losses. we have written fiber bragg gratings in grapefruit mof successfully. the multi - wavelength resonances are observed in the grating, and theoretical analysis shows that this phenomenon is caused by the resonances between core modes and cladding modes

    在此基礎上對微結構光纖光柵進行了理論和實驗研究，在柚子型光敏微結構光纖上成功寫制了布拉格光柵，觀察到多波長的反射峰，並利用全矢量有限元方法對微結構光纖布拉格光柵中的多波長諧振現象進行了理論分析，最後在實驗上對其在多參量傳感和多波長光纖激光器件中的應用進行了嘗試。
  2. Method to measure strain by separating temperature effect with fiber bragg grating

    可分離溫度影響的fbg應變測量方法
  3. This paper study a new kind of encoding fiber bragg grating sensing system, it introduces a new dimensions encoding fiber grating sensing multiplex method, as is to fabricate two or more fbgs with different peak wavelength in the same location of the fiber, called encoding fbg

    本課題研製一種編碼式光纖光柵傳感檢測系統，該系統引入多維編碼光纖光柵傳感復用新方法。在光纖的同一位置，製作兩個或者兩個以上不同波長的光纖布拉格光柵，稱之為編碼式光纖光柵。
  4. In this paper, on the basis of increasingly mature fabrication technologies of planar integrated waveguide and the optical fiber grating, we make use of not only the ( de ) multiplexing and wavelength router characteristic of arrayed waveguide grating ( awg ), but also the dispersion peculiarity of uniform fiber bragg grating ( ufbg ). then a kind of dispersion compensator, which can compensate the dispersion of the optic signal in every channel in the wdm system respectively, is devised. the method makes the compensation efficiency maximum theoretically

    本文結合近幾年來日益成熟起來的平面集成波導製作工藝和光纖光柵製作技術，利用陣列波導光柵（ awg ）的復用特性和波長路由選擇特性與均勻光纖光柵（ ufbg ）的色散特性，提出了一種能對wdm系統中各分波光信號分別進行有針對性色散補償的補償器件，該器件使wdm系統中各分波光信號所得到的色散補償在理論上達到很高效率。
  5. 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。
  6. With the phase - mask method, we make a fiber bragg grating in a few - mode fiber with the peaks at the wavelength around 1060nm. we have studied the temperature dependant characteristics of few - mode fiber bragg gratings theoretical and experimentally. the experimental result of fiber laser based on the few - mode fiber bragg grating is presented

    三、在少模光敏光纖中製作了一種波長在1 . 06 m波段的光纖bragg光柵，理論和實驗上給出了少模光纖光柵的溫度敏感特性，另外將其作為光纖激光器腔鏡進行激光選頻，給出了實驗結果。
  7. The dissertation focuses on the yb3 + - doped double clad fiber laser. the research works in detail are shown as follows : 1. with the phase - mask method, we make a fiber bragg grating in a few - mode fiber whose cut wavelength is greater than 1060nm

    本論文圍繞著摻yb3 +雙包層光纖激光器進行研究工作，報告了得到的科研成果，包括以下的內容: 1 .在截止波長高於1060nm的少量模光纖中用相位掩模法寫入布拉格光纖光柵，製作的布拉格光柵具有幾個透射峰。
  8. In this thesis, the spectral characteristics of a fiber grating are analyzed by using the coupled mode theory. the influences of various structural features such as the length, chirp, coupling coefficient and aperdization to the spectral characteristics were studied numerically with a transfer matrix method. the reflective spectral responses for fiber bragg gratings with different aperdization are analyzed, and the optimal aperdization is ob tained

    首先論文利用耦合模理論對光纖光柵的光學特性進行了詳細的分析，在對比了龍格庫塔法和傳輸矩陣法這二種常用的分析方法的基礎上，選擇傳輸矩陣法著重研究了光纖光柵長度、啁啾系數、耦合系數以及各種切趾函數與其反射譜譜寬、反射率極值、時延、色散等特性的相互關系及影響。
  9. Demodulation scheme for filtering method based fiber bragg grating sensing

    基於濾波法的光纖光柵傳感解調方案
  10. The physical experiments give the series of wave records under the interaction between surface waves and sandbars on the seabed. based on the series of wave records, reflection coefficients are calculat ed by goda ' s method and the bragg resonance are obtained

    對物理模型試驗得到的波浪與正弦沙壩地形相互作用的波面序列，用goda的兩點法計算出反射系數，較好地反映出了bragg共振現象。
  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. 4. the tunable l. ssum external cavity laser diode by using fiber bragg grating is reported. utilizing cantilever beam tuning method, a tuning range 7nm is achieved

    （ 4 ）採用光纖bragg光柵作為外腔反饋元件，首次將光纖光柵的懸臂梁調諧方法用於外腔調諧技術中，完成了1
  13. In the first place, start with theoretic model of distributed fbg strain - sensing network, sensing principle of fiber bragg grating is analyzed and sensing model created. on the basis of analyzing advantages and disadvantages of several familiar multiplexing and demodulation techniques, a mixture multiplexing method that combines optical frequency domain reflectometry ( ofdr ) and wavelength division multiplexing ( wdm ) is proposed to address fbg sensing array. at the same time, tunable narrow - band light source, which is composed of wide - band light source and tunable optical filter, is adopted to demodulate multiplex signals

    首先，論文從分散式光纖光柵應變傳感網路的理論模型入手，分析了光纖布拉格光柵的傳感機理，建立光纖光柵應變傳感模型；在分析比較了常見幾種復用技術和信號解調技術的優缺點基礎上，提出應用光頻域反射復用技術和波分復用技術相結合的混合復用方法來解決光纖光柵應變傳感網路的尋址問題，採用由寬帶光源和可調諧光濾波器組成的可調諧窄帶光源來解調復用信號，通過理論分析和實驗研究證實了系統方案的可行性。
  14. The theory, method and procedure for measurement of the bending loss of single - model quartz fiber by using fiber bragg grating sensor are introduced

    摘要闡述了利用布拉格光纖光柵傳感器測量單模石英光纖彎曲損耗實驗的原理、方法和步驟。
  15. 4. we have studied the fiber bragg gratings formed in double - clad fibers, with and without hydrogen loaded, via the phase - mask method. a phase - shifted moir fiber bragg grating is also fabricated in double - clad fiber

    四、對在雙包層光纖中製作光纖光柵進行了研究，製作出了一種用於雙包層光纖激光器選頻的光纖光柵。
  16. In this test a new method was adopted to check and test the behaviors of structures by using optical fiber bragg grating sensors which realize the synchronous measurements with electricity - resistance gauges. the results show that optical fiber bragg grating sensors has boundless prospects for checking in civil engineering

    試驗中，還採用電阻應變計和光纖布喇格光柵傳感器在加載過程中對加固構件進行同步測量，結果表明光纖布喇格光柵傳感器是應用於土木工程檢測的很有前途的新技術，有著廣泛的應用前景。
  17. The numerical model based on vof method gives the bragg resonance phenomena and the resonant reflection coefficient agrees well with the result of physical experiment. the numerical simulation on the interaction between surface waves and the triangle / trapezium sandbars on the seabed also shows the bragg resonance and the resonant period matches the davies " prediction

    應用vof方法所建立的數學模型，在與物理模型試驗相同條件下，數值模擬反映出的bragg共振現象及得到的最大反射系數與物理模型試驗結果吻合；對波浪與三角形或梯形沙壩地形相互作用的數值模擬也較好地反映出了bragg共振現象，共振周期與davies理論預測一致。
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