波導分散 的英文怎麼說
中文拼音 [bōdǎofēnsǎn]
波導分散
英文
waveguide dispersion- 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
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 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
- 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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Analysis on dispersion characteristics of fresnel waveguides
菲涅耳波導的波導色散特性分析Variational analysis of dispersion characteristics in disk - loaded waveguide slow - wave structures
盤荷波導慢波結構色散特性的變分分析The former is calculated by mom. special attention is paid to the evaluation of the admittance matrix elements, which involve the internal and external mutual coupling. the latter is solved using po
矩量法用於波導縫隙陣列的模式項散射的計算,著重分析了包含外部耦合和內部耦合的矩陣元素的求值。Abstract : according to the continuative condition of the tangential fields on the slot aperture which is the inclined narrow - slot on the broadwall of a sectoral waveguide, the moment method is used to calculate the magnetic current coefficient and distribution. then the scattering field, the scattering parameter and the equivalent impedance are obtained. leting only the te11 dominant mode propagates in the waveguide, the scattering parameters and the normalized equivalent series impedance in the x - band are computed. the basis disigned the slot antenna and the slot array is offered
文摘:根據縫隙口面切向場的連續條件,採用解析數值法矩量法,對扇面波導寬壁上窄的斜縫進行了計算,解得了磁流系數及其分佈,並得到散射場、等效散射參量及等效阻抗等重要參數.假定波導中僅有te11主模傳輸,在x波段計算了散射參量和歸一化等效串聯阻抗,給出計算結果,為縫隙天線和縫隙陣列設計提供了依據The slow - wave characteristics neglecting and taking account of space harmonics ( sh ) for periodically iris - loaded confocal elliptical waveguides are analysed, and the dispersion equation and the mean coupling impedance of this structure are obtained by
分析了周期膜片加載共焦橢圓波導,在考慮空間諧波和不考慮空間諧波兩種情況下的慢波特性。應用場匹配方法得到這種結構的色散方程和平均耦合阻抗。On the base of above it, this paper discuss the synthesis of optimum distributed arrays by nonuniform spacing in the sense of dolph - chebyshev. having derived the equations of optimum element distribution, we analyze the exponentially spaced array, which are optimum when the elements are isotropic and equally weighted, and the array by general raised cosine function. the formulate for estimating the sidelobe envelope, beamwidth of the array pattern and clean region width are obtained
推導了最佳陣元分佈方程,分別對陣元無方向性和等加權時的最佳分散式陣列? ?指數間隔陣列和採用廣義升餘弦加權的最佳分散式陣列進行了分析,推導了天線方向圖旁瓣包絡、波束寬度,干凈掃描區寬度的估計公式,給出了近軸旁瓣電平與陣列參數的關系。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。But an alternative simpler method is through the proton exchange ( pe ) process at lower temperature. pe waveguides exhibit larger increment of the index and lower waveguide loss than ti indiffusion waveguides. however, pe waveguide devices have n ' t been fully mature
質子交換與傳統的鈦擴散工藝相比製作十分簡單,制備的波導具有較高的折射率增量、較小的波導損耗、較強的抗光折變能力,不但能大大降低成本而且還可以提高性能,但是質子交換波導器件目前尚未成熟。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) 。Analysis and testing of dispersion characteristics in a corrugated - wall waveguide
波紋波導色散特性的分析與測試Network analysis of the dispersion characteristics for various dielectric waveguides
介質波導色散特性的微波網路分析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Dispersion analysis of three - fold helical rippled waveguide for 8 mm gyro - twt and gyro - bwo
迴旋行波管和返波管的三折螺旋波紋波導色散分析And the production fluctuation caused by climate changes lead to local farmers to take some unwilling but practical measures such as harvesting a little with cultivating extensively, planting dispersedly and irrigating with wells, combining herbage meadows with woody ones, in the years when disaster happened increasing output of livestock which has become fully - grown and ready for slaughter and planting fast growing and early trees
氣候波動引起巨大的農牧業生產波動,導致了農牧民的廣種薄收、分散種植、打井灌溉等行為,以及他們採取草本草場與木本草場結合、災年加大出欄率和栽植速生樹種、可平茬樹種等資源利用和避災措施。In the case of thin slot, taking the effect of wall thickness into account, the coupler is analyzed with the slots replaced by equivalence magnetic current using the equivalence principle. the integral equation system is fonned and calculated by the moment method
對于細長縫隙的情況,考慮了波導壁厚,利用等效原理將縫隙等效為磁流源在主波導和耦合波導中的作用,根據電磁場連續性條件建立積分方程,並用矩量法求解,進而求出耦合器的散射參數。The fft transformation is used to transform near - fields to far - fields. an open guide axis near - field distribution is measured by this system and simulationed by hfss, two results maintain the good consistency
光調制散射器測量近場測量方法測量得到的開口波導軸線的近場分佈結果與hfss模擬結果保持了良好的一致。For the wave - guide of sch - sqw 940nm quantum well laser, we used this way to simulate and compare, got the far - field corner 35. 8 when the al percent was 25 % and wave - guide ' s thickness was 150nm. compare with the results former, this value was improved much
對于本文中採用的分別限制單量子阱發光波長940nm半導體激光器的波導結構,利用該理論方法進行模擬對比后,得到當波導層al組分為0 . 25寬度為150nm時遠場發散角為35 . 8 ,較以往有很大的改善。The dispersion characteristics and interaction impedance of the groove guide sws are analyzed theoretically in detail. by use of matlab, numerical programs are compiled to get dispersion curves and impedance diagrams. the influence of geometrical dimensions on the dispersion characteristics and interaction impedance are discussed
三、對曲折槽波導慢波結構的色散特性和耦合阻抗進行了詳細的研究,色散方程的獲得是依照曲折波導慢波系統的分析方法,但耦合阻抗的計算公式是嚴格按照場論的方法得到的。We studied the multimode coupling matrix of the key waveguide discontinuity, waveguide step, with the modal fields expansions in waveguides. and obtained the relations with the multimode coupling matrix, the generalized admittance matrices and the generalized scattering matrices. we have compiled some subroutines in fortran 95 programming language to compute the multimode coupling matrix, admittance matrices, scattering matrices and their operates with each other
並利用fortran95程序設計語言編寫了用來計算波導階梯的多模耦合矩陣、多模耦合矩陣與廣義導納矩陣的級聯、廣義導納矩陣之間的級聯以及廣義導納矩陣和廣義散射矩陣之間的互相換算等的矩形波導平面不連續性模式分析的子程序。This paper studied the dispersion and the field distribution of the wave - guide with helical corrugation operating in 8mm wave band. the main works of this dissertation are listed as following : 1. based on the theory of coupled - wave, using the method of perturbation, the coupled - wave equations are derived and the rule of coupling is gotten. 2
2 .利用螺旋波紋波導的耦合波方程和模式耦合規則,得到波導色散方程,利用visualfortran平臺編程進行數值模擬,分析相關物理參數對色散特性的影響;對波導的行波幅值耦合方程進行數值模擬,從而簡化了耦合方程,在此基礎上利用visualfortran平臺編程進行數值模擬,分析螺旋波紋波導的場分佈情況。分享友人