窦文斌
微波/毫米波雷达与通信系统中的射频组件、毫米波天馈、毫米波准光技术与成像、毫米波铁氧体器件、毫米波二元衍射光学技术、毫米波光电子技术、亚毫米波技术等。
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- 姓名:窦文斌
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学术头衔:
博士生导师
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学科领域:
制糖技术
- 研究兴趣:微波/毫米波雷达与通信系统中的射频组件、毫米波天馈、毫米波准光技术与成像、毫米波铁氧体器件、毫米波二元衍射光学技术、毫米波光电子技术、亚毫米波技术等。
窦文斌,1978年毕业于中国科学技术大学。1987年于电子科技大学获工学博士学位。1987年至1989年在东南大学做博士后研究,出站后留东南大学无线电系工作至今。现为东南大学无线电系教授,博士生导师,毫米波国家重点实验室副主任。从事微波毫米波理论与技术的研究、教学和培养研究生的工作。研究领域包括:微波/毫米波雷达与通信系统中的射频组件、毫米波天馈、毫米波准光技术与成像、毫米波铁氧体器件、毫米波二元衍射光学技术、毫米波光电子技术、亚毫米波技术等。作为项目负责人或主要参加者承担或完成了10多项毫米波技术攻关项目、基金项目和部委重点项目的研究工作。在国内外核心学术刊物发表研究论文90多篇,其中国际著名检索系统SCI收录60多篇, EI收录70多篇。10多篇论文被国内外知名学者撰写的学术论文、专著和微波工程手册引用。
出版专著:1. 毫米波铁氧体器件理论与技术, 国防工业出版社,1996,北京 2.毫米波准光理论与技术,电子工业出版社,(第一版),2000,北京;高等教育出版社,(第二版),2006,北京,教育部推荐全国研究生教材。获机电部科技进步二等奖两项,国家教委科技进步二等奖一项, 光华科技基金三等奖一项, 教育部科技进步三等奖一项。获发明专利1项,实用新型专利3项。获政府特殊津贴。国家部委专家组成员。入选Who’s Who in the world名人录。入选江苏省 “青蓝工程”、“江苏省高校学术带头人”。核心期刊Journal of Electromagnetic Waves and Applications(美)编委,美国光学学会会刊(“Applied Optics”,“Journal of the Optical Society of America A”,“Optics Express”等),IEEE on MTT, 中国科学、物理学报、电子学报等核心期刊特邀审稿人。中国电子学会高级会员, 电子学会微波分会委员, 微波学会毫米波亚毫米波专业委员会副主任, IEEE会员。2006年国际红外毫米波与太赫兹学术会议(IRMMW-THz2006)程序委员会两主席之一。
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11
窦文斌, Z.X. Wang, W.B. Dou
,-0001,():
-1年11月30日
In this article, an improved iterative arithmetic of the symmetric successive over-relaxation preconditioning biconjugate-gradient algorithm (ISSOR-PBCG) is utilized to solve the 3D edge FEM equations derived from the time-harmonic electromagnetic-field boundary value problems. Several typical structures have been analyzed, and the computation time is compared with that of other algorithms such as biconjugate-gradient (BCG) algorithm and the conventional symmetric successive over-relaxation preconditioning biconjugate-gradient algorithm (SSOR-PBCG). The CPU time saved using the ISSOR-PBCG algorithm is nearly 27% and 65.5%, as compared with that using the SSOR-PBCG and the BCG algorithm. It can be seen that the ISSOR-PBCG algorithm is efficient for edge FEM equation sets derived from large-scale time-harmonic electromagnetic-field problems.
iterative format, preconditioning technique, biconjugate-gradient algorithm, sparse linear equation, time-harmonic electromagnetic-field problem
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【期刊论文】A NEW APPROACH FOR MEASURING PERMITTIVITY OF DIELECTRIC MATERIALS
窦文斌, C. Qian and W.B. Dou
J. of Electromagn. Waves and Appl., Vol. 19, No.6, 795-810, 2005,-0001,():
-1年11月30日
It is a difficulty problem to measure permittivity of a dielectric material accurately whose permittivity is very close to unit. Open cavity method and interferometer method have been used in the past. In this paper, the sensitivity of these two methods to a small disturbance of permittivity is simulated and compared. Based on the simulation a new approach combining merits of the open cavity method and the interferometer method is proposed, and its advantages are described.
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【期刊论文】A RIGOROUS ANALYSIS AND EXPERIMENTAL RESEARCHES OF WAVEGUIDE MAGIC TEE AT W BAND
窦文斌, H.C. Wu and W.B. Dou
Progress In Electromagnetics Research, PIER 60, 131-142, 2006,-0001,():
-1年11月30日
A waveguide magic tee at W band is analyzed exactly and developed. The analysis approach is a combination of the mode expansion method and finite element method,whic h is based on the weak form of Helmholtz equation. Mode expansion instead of PML (Perfectly Matched Layers) is used to truncate the computing space of finite element. A magic tee at W band (75∼110 GHz) with the structure,whic h is easy for manufacture,is developed. Calculated results are presented and compared to those in experiments. Agreement has been observed. A sensitivity analysis is carried out, which shows the influence of the tolerance of manufacture on the performance of the magic tee. And the power carrying capacity of the designed magic tee is also evaluated.
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窦文斌, W.B. Dou and X.D. Deng, J.H. Pan
J. of Electromagn. Waves and Appl., Vol. 18, No.4, 469-479, 2004,-0001,():
-1年11月30日
In this paper, focal field of reverse-microscope imaging system at millimeter wavelengths is analyzed with ray-tracing method and Stratton-Chu vector diffraction integral formula. Calculations have been compared with experiments and agreement is found. Lens profile is optimized to reduce aberrations and extend field-of-view of the imaging system. The numerical results are presented to show the field distribution of the optimized imaging system.
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【期刊论文】DESIGN AND ANALYSIS OF THIN DIFFRACTIVE/REFRACTIVE LENS ANTENNAS
窦文斌, Z.X. Wang and W.B. Dou
J. of Electromagn. Waves and Appl., Vol. 20, No.15, 2239-2251, 2006,-0001,():
-1年11月30日
A design method for diffractive/refractive dielectric lens antennas working at millimeter wave band is presented in this paper. One surface of this kind of lens antenna is refractive and the other is diffractive. The refractive surface is used to control the amplitude distribution of the electromagnetic wave and the diffractive surface is used to adjust the phase distribution of the electromagnetic wave. The side lobe level of this kind of lens antenna is low due to the proper distribution of the field amplitude controlled by the refractive surface, and the thickness of the lens is very thin due to the use of the diffractive surface. Two design examples of the diffractive/refractive lens antenna are given, and their radiation patterns (fed with the corrugated horns) are computed using axially symmetric FDTD algorithm and presented in this paper.
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【期刊论文】Analysis of a Diffraction Lens Quasi-Optical Monopulse Antenna/Feed Structure
窦文斌, G. An, W.B. Dou*
INTERNATIONAL JOURNAL OF MICROWAVE AND OPTICAL TECHNOLOGY, 2006, 1 (2): 1-5,-0001,():
-1年11月30日
A novel diffraction lens quasi-optical monopulse antenna/feed is proposed and analyzed using finite-difference time-domain (FDTD) method. The structure consists of diffraction lenses, a quasi-optical sum- difference network, matching lenses and horns connecting waveguide. This antenna structure is novel, low-loss and compact and may be designed to be polarization-independent. Owing to its low absorptive loss and relative easy for manufacturing, this monopulse antenna/feed structure is suitable for millimeter wave and submillimeter wave application. The parameters of the structure are selected to some extent to get better performance. Calculation results are presented to show its properties.
Index Terms- Millimeter Waves,, Monopulse Antenna,, Quasi optics,, Sum-difference network,, Diffraction lens
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窦文斌, W.B. Dou and Z.L. Mei
J. of Electromagn. Waves and Appl., Vol. 19, No.10, 1359-1374, 2005,-0001,():
-1年11月30日
This paper is aimed at analyzing the focal field of some axially-symmetric diffractive lenses with small F-number and electrically large radii which are used in millimeter wave focal imaging, especially for the case of a plane-wave incident onto the lenses obliquely, by using the method of moments (MoM). The analysis of a diffractive lens whose radius is as large as 78.3λ can be performed using appropriate pairs of basis functions and test functions in the MoM, and specific integration methods are adopted to integrate the oscillatory integrals which occurr in the MoM when it is applied on a body of revolution (BOR) for which the rotational symmetry of the BOR has been utilized. Comparison of the simulated results with the experimental data shows that the simulation is valid. An imaging experiment is carried out to show the ability of diffractive lens in a millimeter imaging system.
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【期刊论文】Analysis of frequency dependence and focusing performance of diffractive lens
窦文斌, W.B. Dou
,-0001,():
-1年11月30日
In this paper the frequency dependence and focusing performance in focal plane of a diffractive lens is analyzed by FDTD method at millimeter wavelengths. Binary lens and four-level lens are onsidered. The field distribution on the focal plane of the diffractive lens for the incident wave at different frequency is presented, which shows the frequency dependence and focusing performance of the lens.
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【期刊论文】Diffraction of an electromagnetic beam by an aperture in a conducting screen
窦文斌, W.B. Dou*, Edward K.N. Yung
J. Opt. Soc. Am. A/ Vol. 18, No.4/April 2001,-0001,():
-1年11月30日
An electromagnetic beam that is not the solution to the paraxial wave equation but is the solution to Maxwell's equation is simulated directly by the finite-difference time-domain method. Electrical and magnetic field components of the beam are presented graphically. Then the diffraction of the electromagnetic beam pulse by an aperture in a conducting screen is analyzed. The fraction of the beam power through the aperture is defined and calculated. The fields in the time domain near the aperture, which show the diffraction by the aperture, are presented graphically.
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窦文斌, H.C. Wu and W.B. Dou
Progress In Electromagnetics Research, PIER 57, 33-54, 2006,-0001,():
-1年11月30日
Field structures of waveguide Y -junction circulators containing irregular shaped ferrite material,suc h as Y -junction with partial-height cylinder/triangle ferrite posts and metal step impedance transformer, Y -junction with a ferrite sphere, and dual higher order modes circulator,whic h are classified as different junction resonance modes, are depicted to illustrate the circulating process. The analysis method used is a combination of the mode expansion method and finite element method,whic h is based on the weak form of Helmholtz equation. Calculated results (return loss,insertion loss and isolation) of these structures are shown and compared respectively to those in literatures. Consistencies have been observed.
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