錐面波 的英文怎麼說

中文拼音 [zhuīmiàn]
錐面波 英文
conical wave
  • : Ⅰ名詞1. (錐子) awl2. (似錐物) awl-shaped things 3. (錐體) cone Ⅱ動詞(鉆) drill; bore
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : 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...
  1. In this section, we also designed 2d subwavelength multilevel ( 2 -, 4 -, 8 -, etc. level ) columned stairstep grating with coned spatial profile to reduce reflection

    我們也通過矢量衍射理論分析了多臺階二維亞長具有圓形的網格光柵的電磁場衍射特性。
  2. ( 2 ) the causation that the caustic phenomena of electromagnetic wave propagation in two - dimension concave reflectors occurs and the types of singularities in caustic fields are investigated, and the conclusion that there are two types of singularities ( fold and cusp ) in caustic fields in two - dimension concave reflectors is obtained ; by symplectic geometrical method, formulations of computing wave fields in and far away from caustic fields in two - dimension concave reflectors are deduced, and the results are plotted in pictures. ( 3 ) the cause of the caustic phenomena of electromagnetic wave propagation in three - dimension concave reflectors and the types of singularities in caustic fields is discussed, and the conclusion that there are three main types of singularities ( fold, cusp and swallowtail ) in caustic fields in three - dimension concave reflectors is obtained ; by symplectic geometrical method, the formulae of computing wave fields in and far away from caustic fields in three - dimension concave reflectors are deduced. particularly, the wave fields in ellipsoid concave reflector are computed, and the results displayed in special sections are given

    論文主要包括三個方: ( 1 )分析了凹反射的焦散現象,給出了不同凹反射的焦散圖; ( 2 )分析了二維凹反射動場焦散現象產生的原因及焦散區奇性的種類,得出了二維凹反射動場焦散區奇性主要有折疊( fold )和尖點( cusp )兩種的結論,利用辛幾何方法構造了圓反射動場非焦散區和焦散區的通用計算公式,並給出了圓柱、橢圓柱及雙曲柱反射的計算結果; ( 3 )分析了三維凹反射動場焦散現象產生的原因及焦散區奇性的種類,得出了三維凹反射動場焦散區奇性主要有折疊( fom 、尖點kusp和燕尾k )三種的結論,提出了利用辛幾何方法計算三維凹反射動場非焦散區和焦散區的計算方法,並給出了三軸不等橢球體凹反射動場的計算結果剖圖。
  3. At first in the condition of low - velocity impact it is discussed with the formation of ceramic smash cone angle on the base of quasi - statistic hertz and 3 a 6 y a c - theory. then using spherical stress wave reflection and transmission theory under the state of medium - high velocity the formation of spot in the ceramic back. finally the damage mechanism of ceramic suffered by the high impact is simply discussed

    首先,在低速撞擊的條件下,基於準靜態hertz的理論與薩布斯基理論,分析了陶瓷破碎角的形成;其次,在中高速撞擊條件下,利用球應力反射迭加理論,分析了陶瓷背的層裂的形成;最後,簡單討論了高速撞擊下陶瓷的破碎機理。
  4. The numerical simulation of axisymmetric two - dimensional shock tube is studied, which has a conical convergent section, and its driving gas is the hot product of hydrogen oxygen detonation. finite volume tvd scheme is adopted and the mesh is local orthogonal. the primitive equations are euler s equations of multi - component flow. the new method of eliminating numerical oscillation at the interface of two materials is extended to two dimensions. the mechanical character of this shock tube is analyzed

    對由前向爆轟產生驅動氣體並具有局部形收縮截的軸對稱激管利用兩相常比熱完全氣體的歐拉方程組和有限體積tvd格式在局部正交的網格上進行了二維數值模擬。將消除兩種介質界處數值振蕩的新方法成功地推廣到二維情況。分析了該激管的力學特性。
  5. The influence of waviness and taper of seal faces to the operating performance at slow speed of gas face seal

    低速運轉氣膜機械密封端度和度對其密封性能的影響
  6. Base on helmholtz integral equation, the incoherent scattering of plane wave from rough cone - shaped surface is derived with the far field theory and stationary phase method. and the incoherent scattering of plane wave from rough conical surface is also derived with shadowing function when the the radius of principal

    最後計算並分析了入射光為= 0 . 48 m時,粗糙的平散射特性,考察了入射和散射的幾何關系,偏振態以及粗糙統計參量等對散射強度的影響。
  7. The increasing of single channel capacities and evolution of optical networks topology, from simple point - to - point to intelligent optical networks, call for strict demands to optical filters. in this paper, the crucial technologies of optical filters such as interleaver, optical digital filter, fused biconical taper all - wave coupler as well as polarization - pump combiner have been studied experimentally and theoretically, which include : 1. a new process, cascaded fbt ( fused biconical taper ) with precise control as well as strict interference arm length difference, is proposed for the first time to our knowledge

    單通道速率不斷提高以及網路拓撲由單一的點對點傳輸向可上下載的環網和可動態選擇長路由的智能型格形光網路演進,對光濾器的常規性能指標、時域特性和動態可調諧特性提出了更加苛刻的要求,鑒於此,本論文全研究了全光纖熔型奇偶交錯濾技術、數字光濾技術、基於g - t全通濾器的奇偶交錯濾技術以及熔型全耦合器和偏振泵浦合器。
  8. More attentions are taken to the applications of the interferometer for the quantificational and real - time measurements in the following aspects : the laser ' s wavefront, the homogeneity of laser bar, angle deviation of flatness optical components, and surface roughness

    重點研究了數字式干涉儀的應用,定量、實時測量了激光前質量、激光棒前畸變、利用計算體棱鏡角度、表粗糙度等。
  9. Along the route which passes through the ngari plateau, known as the " roof of the world ", you can be fascinated by the circular - cone - shaped gold - colored peaks of the mount sangula, the vast green zharinamco lake, and the dawa lake surrounded by lush pastures, the snow - capped mount baling kangri, the mysterious guge kingdom ruins and the fantastic clay forest, as well as the holly mount kang kingpoche

    沿途,桑木巴提山圓形的金黃色山峰,扎日南木錯遼闊清碧的湖,達瓦錯豐美的水草,巴林網日群峰上的皚皚白雪,札達一帶神秘的古格遺址和荒漠而奇特的土林地貌,以及普蘭境內被多種教派譽為聖地的神山崗仁劉昨聖湖瑪旁雍錯,都會傾倒前來游覽的旅人。
  10. The basic blocks in the color dipole method are the lc wavefunction and the dipole cross section. the lc wavefunction is calculated from perturbation theory. we have shown that the lc wavefunction for the y ' q configuration plays the role of a weight for the different transverse separation p contribution to the process

    ~ * q光( lc )函數在- p碰撞過程中起了權重的作用:無論是橫向極化光子還是縱向極化光子,由於lc函數的作用,在~ * q橫向距離p很小時對截貢獻是主要的。
  11. As far as input coupling devices concerned, we design a feasible taper coupler by means of the theory of waveguide coupling and outside cavity waveguide laser and make decision of the sizes of the lens and the taper coupler, and the relative distance of them. the focus of the lens is 65mm and the radius is 5mm. the length of the taper coupler is 15mm, and the radiuses of the input and output ends separately are 17mm and 0. 65mm

    在輸入耦合器方,藉助于導耦合和外腔式導激光器的相關理論,設計了工藝上可行的型耦合器,確定了透鏡、耦合器的尺寸以及耦合器與透鏡的相對位置:耦合透鏡的焦距為65mm ,直徑為srnm ,耦合器的長度為15mm ,輸入端直徑為17mm ,輸出端直徑為0
  12. Starting with analysis on the field of gaussian feed ' s aperture, the relations of radiation characteristic and power capacity and gaussian beam waist radius are investigated particularly by using the circular waveguide intrinsic mode expansion method

    =本文從圓高斯饋源口場分析入手,利用高斯場展開成規則圓導場的方法,細致的討論了高斯束腰對饋源輻射特性和功率容量的影響。
  13. A new type of x - band high power microwave source - the resonator cerenkov oscillator - tapered amplifier tube ( rco - tat ) is put forward for the first time in the present paper. the proposed high power microwave device is based on a comprehensive investigation of related research work in the world and is in agreement with the demands to the development of practical high power microwave sources

    在較全調研和認真分析高功率慢器件發展趨勢的基礎上,結合返振蕩器等切侖科夫器件和漸變形結構微器件的特點,提出了一種新型x段高功率微發生器?低磁場諧振腔切侖科夫振蕩器?形放大管( rco - tat ) 。
  14. A numerical simulation software is developed that can be used to simulate standing oblique detonation waves in hypervelocity flight conditions. reasonable parameters and advanced method are provided for the application of standing detonation propulsion technology. the main points are as follows : the mathematical model is developed that can be used to analyze the properties of planar standing oblique detonation waves

    通過對駐定斜爆轟形念的理論分析和數值模擬,對高超音速條件下斜爆轟的穩定性現象進行了系統研究,探討了產生駐定斜爆轟的臨界條件,開發了平形駐定斜爆轟流場數值模擬軟體,為駐定爆轟推進技術的應用提供合理的系統參數和先進手段。
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