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Vlasov辐射器反射特性研究 被引量：4

Reflective characteristics of bevel-cut Vlasov radiator
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摘要 利用矩量法导出Vlasov辐射器端口处各种模式模系数 (振幅 )的计算方法 ,并利用此方法通过数值计算研究了斜切形Vlasov辐射器的反射特性 ,得到了辐射器端口反射系数和斜切角度及直径波长比之间的关系。结果表明斜切形辐射器具有很小的反射系数 ,并从反射特性上为辐射器结构参数的选择提供了依据。 This paper presents a calculation method of the mode coefficient (amplitude) on Vlasov radiator aperture by Method of Moments (MoM), and the reflective characteristics of bevel-cut radiator are studied through this method. The relations of the reflectivity to bevel-cut angle and diameter-wavelength ratio are obtained, which indicate that the reflectivity of the radiator is very small. The results are helpful for the design of the radiator.
作者 袁成卫 凌根深
机构地区 国防科学技术大学理学院
出处 《强激光与粒子束》 EI CAS CSCD 北大核心 2003年第2期172-175,共4页 High Power Laser and Particle Beams
基金 国家 8 63计划项目资助课题
关键词 Vlasov辐射器 反射特性 高功率微波 天线 矩量法 反射系数 器件结构 Antennas Computational methods Method of moments Reflection
分类号 TN820.84 [电子电信—信息与通信工程]
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参考文献7

  • 1Vlasov S N, Orlova I M. Quasioptical transformer which transforms the waves in a waveguide having a circular cross section into highly directional wave beam[J]. Radiofizika, 1974, 17(1):148-154.
  • 2Wada O, Nakajima M. Quasioptical reflector antennas for high power millimeter waves[A]. Proc of Ec-6 Joint Workshop on ECE and ECRH[C]. Oxford, 1987. 369-376.
  • 3Sealy P J, Vernon R J. Low-power investigation of TE0n and TM0n mode Vlasov launchers[A]. IEEE AP-S Digest[C]. 1989. 950-953.
  • 4Dahlstrom R K, Hadwin L J, Ruth B G, et al. Reflector design for an X-band Vlasov antenna[A]. IEEE AP-S Digest[C]. 1990. 968-971.
  • 5周海京,丁武,刘庆想.VLASOV天线的研究[J].强激光与粒子束,2002,14(3):431-433. 被引量：12
  • 6钟哲夫.圆波导劈形端口辐射器的数值分析[J].强激光与粒子束,1999,11(6):733-736. 被引量：13
  • 7Maci S, Ya P, Tiberio R. Equivalence between physical optics and aperture integration for radiation from open-ended waveguides[J]. IEEE Transaction on Antenna and Propagation, 1997, 45(1):183-185.

二级参考文献13

  • 1Koslover R A,Koslover R A. Cremer C D. Green W P. et al.Compac t, Broadband High Power Circular TM01 to TE11 Mode Converter[P]. U.S. Patent. 4999591.
  • 2Courtney C C,Baum C E. The Coaxial Beam-Rotating Antenna(CO BRA): Theory of Operation and Measured Performance, IEEE Trans AP, 2000,48(2):299-309.
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  • 4Vlasov S N, Orlova I M, Quasi-Optical Transformer Which Trans forms the Waves in a Waveguide Having Circular Cross-Section into a Highly Directional Wave Beam[J]. Radio phys. Quantum Electron.,1975,17:115-119.
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  • 6Sealy P J, Vernon R J. Equivalence-Principle Model for Radiat ion from TE0n and TM0n Mode Step-Cut and Slant-Cut Vlasov Feeds[J]. IEEE APS'1991 Digest, 1991 .1836-1839.
  • 7Nakajima W M. Quasi optical reflector antennas for high powe r millimeter waves[A]. Proc of the EC6 Joint Workshop on ECE and ECRH[C]. UK Oxford, 1987,
  • 8Dahlstrom R K, Dahlstron R K, Hadwin L J, Ruth B G, et al. Ref lector D esign for an X-Band Vlasov Antenna[J]. IEEE APS'1990, 1990, 968-971.
  • 9Beggs J M,Beggs J H, Luebbers R J, Ruth B C, et al. Analysi s of electromagnetic radiation from shaped-end radiators using the finite difference time domain method[J]. IEEE Trans AP, 1993,41(9):1324-1327)
  • 10Braunstein J, Braunstein J, Connor K, Salon S, et al, Analy sis of Flared End for Vlasov-Type Antenna: Comparison of Finite Element Analysis with Experiment[J]. IEEE Trans MAG, 1994,30(5):3120-3123).

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强激光与粒子束
2003年 第2期

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