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Volume 33 Issue 06
Jun.  2007
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Journal of Beijing University of Aeronautics and Astronautics  > 2007  >  33(06): 682-685.
Zhang Yan, Lü Shanwei, Miao Jungang, et al. Hybrid FDTD-PWS method for focal field analysis of lens antenna at millimeter-wave band[J]. Journal of Beijing University of Aeronautics and Astronautics, 2007, 33(06): 682-685. (in Chinese)
Citation: Zhang Yan, Lü Shanwei, Miao Jungang, et al. Hybrid FDTD-PWS method for focal field analysis of lens antenna at millimeter-wave band[J]. Journal of Beijing University of Aeronautics and Astronautics, 2007, 33(06): 682-685. (in Chinese)
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Hybrid FDTD-PWS method for focal field analysis of lens antenna at millimeter-wave band

  • 1.

    School of Electronics and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

  • 2. Institute No. 25 of the Second Academy, Chinese Aerospace Science and Industry Corporation, Beijing 100854, China

  • Received Date: 18 Jul 2006
  • Publish Date: 30 Jun 2007
    Abstract
  • A novel hybrid finite-difference time-domain (FDTD) method and plane wave spectrum (PWS) method was presented for analysis focal field distribution of lens antenna. Firstly, the amplitude and phase distribution in the aperture was simulated by the FDTD method. Moreover, the antenna model was reduced to 1/4 by the pertect electric conductor (PEC) and perfect magnetic conductor (PMC) boundary conditions. And secondly PWS method was applied to calculate the focal field distribution. In order to demonstrate the accuracy and efficiency of this new method, a lens antenna at millimeter-wave band was designed and simulated as an example. Then this lens antenna was measured by the planar-near-fields (PNF) method. Finally, the influence of the measurement probe was characterized also by the FDTD method and taken into account by the calibration. And it is found that the results of focal spot size obtained by the FDTD-PWS method are in good agreement with the experiment data by the probe compensation.

     

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  • [1] Kraus J D, Marhefka R J. 天线(下)[M]. 第三版. 章文勋译.北京:电子工业出版社, 2005:140-147 Kraus J D, Marhefka R J. Antennas[M]. 3rd Edition. Translated by Zhang Wenxun. Beijing:Publishing House of Electronics Industry, 2005:140-147 (in Chinese) [2] 窦文斌. 毫米波准光理论与技术[M]. 第二版. 北京:高等教育出版社, 2006:173-193 Dou Wenbin. Millimeter wave quasioptical theory and techniques[M]. 2nd Edition. Beijing:Higher Education Press, 2006:173-193 (in Chinese) [3] Godi G, Sauleau R, Thouroude D. Performance of reduced size substrate lens antennas for millimeter-wave communications[J]. IEEE Transactions on Antennas and Propagation, 2005, 53(4):1278-1286 [4] 泽尔E V. 口径天线与绕射理论[M]. 邱文杰译. 成都:成都电讯工程学院出版社, 1987:16-20 Jull E V. Aperture antennas and diffraction theory[M]. Translated by Qiu Wenjie. Chengdu:Chengdu Telecommunication Engineering College Press, 1987:16-20 (in Chinese) [5] Shi Jin, Cracraft M A, Slattery K P, et al. Calibration and compensation of near-field scan measurements[J]. IEEE Transactions on Electromagnetic Compatibility, 2005, 47(8):642-650
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