波導色散線 的英文怎麼說
中文拼音 [bōdǎoshǎisǎnxiàn]
波導色散線
英文
waveguide dispersive line- 波 : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
- 導 : 動詞1. (引導) lead; guide 2. (傳導) transmit; conduct 3. (開導) instruct; teach; give guidance to
- 色 : 色名詞[口語] (顏色) colour
- 散 : 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
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 波導 : [物理學] (用在微波波段傳輸電磁波的裝置) waveguide; duct
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4. the " hot " dispersion equation of the coaxial ridge - disk - loaded cylindrical waveguide twt with an annular electron beam can be firstly obtained according to self - consistent field theory
四、引入薄環形電子注,首次建立了脊加載同軸膜片圓波導的注波互作用線性理論,得到小信號條件下的色散方程。The general nonlinear propagation equations of four - lightwaves in birefringent fibers are deduced. the characteristics of polarization mode dispersion in 4 + 10gb / sdwdm system in dispersion - flattened fibers is studied. our results show that pmd exerts a detrimental influence on 4 x logb / sdwdm system in limiting transmission rate and the channel numbers
本論文研究波分復用( wdm )系統中偏振模色散的影響,主要工作包括下面兩個部分:一、導出了四波長光波在雙折射光纖中傳輸所滿足的一般非線性耦合方程;在此基礎上,研究色散平坦光纖中4 10gb sdwdm系統的偏振模色散特性,並且進一步研究了偏振模色散對不同通道間隔的4 10gb sdwdm系統的影響。For example, in some applications an edg without input and output waveguides is preferable and it is much easier to fabricate. an edg of flat input / outputs can also maintain a good linear dispersion and a perfect focused field as a conventional edg this paper presents a design method for an edg of flat input / outputs is presented
而平場輸入輸出的edg在很多應用中可以省去製作輸入輸出波導,大大簡化製作工藝;同時平場輸入輸出的edg能夠保持良好的線性色散和聚集效果。Then the nonlinear coupled electromagnetic and electron motion equations were obtained from the lorentz equation. and numerical calculation and analysis of cold cavity by pic software were applied to analyze the both hot and cold dispersion characteristic of this waveguide
接下來,從電子運動方程出發得到了自洽非線性方程組,通過一階線性近似導出了螺紋波導中注波互作用色散關系,從中分析該波導超寬帶特性。A study on dispersion characteristics of planar waveguide structures by line method
直線法分析平面波導結構色散特性的研究The experimental study is performed on the rtto designed with the help of simulation, and the microwave based on radial transit - time effect is obtained. the output power is measured by horn and electric probe and the frequency is measured by a wave - guide dispersion line
實驗採用喇叭天線接收和電探針惻量兩樸方法時微波功率迭行了惻量,微波頌率用波導色散線法迭行惻量。4. as an assistant analysis, cst microwave studio is applied to simulate dispersion characteristics and interaction impedance of rectangular groove guide. simulation show better agreement with theoretical results
四、作為一種輔助的分析方法,本文還利用cstmicrowavestudio對曲折矩形槽波導慢波系統的高頻特性做了模擬模擬,得到了色散曲線和耦合阻抗,與理論結果符合很好。The main jobs and achievement is the following : 1. use the approximated - field theory to solve the dispersion relation of corrugated cylinder waveguide
主要的工作和成績如下: 1 、用近似場求解的方法求解了波紋波導非軸對稱模式色散曲線。The numerical results of the dispersion relation show some nonlinear effects : for a fixed geometry of a waveguid, beam parameters and plasma density, the increment of the modulation parameter may lead to a slight increment of the operating frequency, however, as the modulation parameter increases further, saturation may occur and the dispersion relations are hard to be separated, it is due to the overmodulation of the microwave power, this phenomenon itself belongs to the nonlinear effects
對於一定的波導、電子注參量和等離子體密度值,等離子體調制系數的增加,使工作頻率略微升高。但是,隨著等離子體調制系數的進一步增加,色散曲線變得彼此之間不可分辨,可以認為是等離子體的過調制導致了柵的飽和。這一現象是非線性的,可見,等離子體柵和調制場中文摘要是非線性關系,等離子體柵是非線性j 。The analysis for dispersion characteristics of asymmetric supportedbroadside - coupled coplanar waveguides by method of lines
用直線法分析非對稱支持寬邊耦合共面波導的色散特性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。A new terahertz source of folded waveguide traveling - wave - tube which based on vacuum electronics is introduced, which may answer the question for scarcity of small, economical terahertz source with continuous wave of high average power. secondly, transmission characteristics of terahertz wave in the periodic slow wave circuit of folded waveguide traveling - wave - tube have been researched combined with development of micro - fabrication technology. dispersion relation and interaction impedance of the slow wave circuit are deduced by the way of equivalent circuit, and results accounted by theory are close to those simulated by software
其次,結合計算機模擬技術對這種新型太赫茲輻射源的折疊波導慢波線路傳輸特性進行研究:用等效電路法從理論上推導了慢波電路場、色散關系及線路耦合阻抗,電磁模擬軟體計算得出的慢波電路色散曲線與理論計算所得結果基本上一致,表明這種尺寸的慢波電路在太赫茲頻段有著色散曲線較平坦以及寬帶、低損耗的良好傳輸特性。We introduce a model of random birefringent single mode fibers, and the general nonlinear propagation equations of dual - lightwaves in random birefringent fibers are deduced. the characteristics of polarization mode dispersion in 2 + 10gb / swdm system is studied. it is found that pmd in wdm system can be effectively suppressed by the synchronous modulation technique
我們引入了隨機擾動雙折射單模光纖模型,導出了雙波長的光波在隨機雙折射光纖中的非線性脈沖傳輸方程;在此基礎上,研究了偏振模色散對2 10gb swdm系統中脈沖序列傳輸的影響,並採用同步幅度調制控制技術有效地降低了偏振模色散的影響。4. finally, the investigation of wave propagation characteristic in round waveguide filled uniformity plasma periodically magnetized is done, by numerical calculation, to analyze the effect on the propagation characteristic when additional magnetic field amplitude, background magnetic field and plasma density change
4 .研究了電磁波在填充周期磁化均勻等離子體金屬圓波導中的傳輸特性,推導出該周期慢波結構的色散方程,通過數值計算,繪出了色散曲線圖Finally, we study the ( 2 + l ) - dimension nonlinear dispersive long wave equation skillfully, we find the self - transformation between the two equations and turn the ( 2 + l ) - dimension nonlinear dispersive long wave equation into a simple ( 2 + l ) - dimension pde. then, with the homogeneous balance method we obtain the hopf - cole transformation between the ( 2 + l ) - dimension pde and the heat equation. through it, we obtain abundant exact solutions of the ( 2 + l ) - dimension nonlinear dispersive long wave equation with the matlab, including the multi - solitary wave solutions
) : = 0 . ( 2 )巧妙的發現了( 1 )與( 2 )之間的自變換,將這個方程組轉化為一個簡單的偏微分方程,並利用齊次平衡法得到了此方程與熱傳導方程之間二維形式的物pf - cofe變換,從而藉助m胡ab的符號運算得到了2 + l維非線性色散長波方程包括多孤子解在內的多種新精確解。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。The influence of optical source chirp on femtosecond soliton interaction is studied numerically, and the unequal amplitude method can reduce the interaction. in addition high - order coupled equations governing the evolution of two orthogonal polarization components of the same wave are derived by using multi - dimension derivation expansion method of singular perturbation theory and the dispersion relation. furthermore, a class of optical solitary wave solutions, such as the bright - bright, dark - dark, bright - dark, and combined solitary waves are found under certain parametric conditions
數值研究了源啁啾飛秒孤子間相互作用,提出了抑制該作用的可能方案;用奇異攝動多重尺度導數展開法和色散關系推導了耦合高階非線性薛定諤方程( chnlse ) ,並用行波變換法得到了一系列孤波解析解,分析了它們在光纖中傳輸的必要條件,也討論了它們的穩定性,為實現飛秒光脈沖在光纖中的無畸變傳輸作理論上的探索。This thesis analyse the linear theory of gyro - twt with spiral corrugated waveguide and two - beam coaxial gyrotron. first of all, base on the theory of coupled - wave, the dispersion equation and coupling condition of spiral corrugated waveguide is realized by applying the method of impedance perturbation
首先,在耦合波理論基礎上運用阻抗微擾法分析了內開槽螺紋波導的冷腔色散特性,通過數值運算作出了冷腔色散曲線同時用三維粒子模擬軟體進行了相應的冷腔分析。In addition to showing the solution to linear qd and its analysis, one form of nonlinear qd is discussed. compared with other color diffusion techniques, considering the interactions between channel pairs, qd has the following advantages : 1 staircasing effect is avoided ; 2 as diffusion tensor, the image derivative is regularized without requiring additional convolution ; 3 less time is needed. experimental results demonstrate the effectiveness of linear and nonlinear qd applied to natural color images for denoising by both visual and quantitative evaluations
雖然講四元數用於圖像處理已有了一些研究,但都是研究四元數傅立葉分析四元數小波分析或將簡化的四元數偏微分方程用於灰度圖像處理,而本文第一次將四元數擴散用於顏色圖像處理,這樣的好處包括: 1可以避免一般非線性擴散的階梯效應2四元數擴散不需要對圖像導數進行高斯卷積等歸整化操作3更為省時。分享友人