中国物理B ›› 2014, Vol. 23 ›› Issue (11): 114102-114102.doi: 10.1088/1674-1056/23/11/114102

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇    下一篇

Bidirectional reflectance distribution function modeling of one-dimensional rough surface in the microwave band

郭立新, 苟雪银, 张连波   

  1. School of Physics and Optoelectronic Engineering, Xidian University, Xi'an 710071, China
  • 收稿日期:2014-01-17 修回日期:2014-04-25 出版日期:2014-11-15 发布日期:2014-11-15
  • 基金资助:

    Project supported by the National Natural Science Foundation for Distinguished Young Scholars of China (Grant No. 61225002), the Aeronautical Science Fund and Aviation Key Laboratory of Science and Technology on Avionics Integrated Sensor System Simulation, China (Grant No. 20132081015), and the Fundamental Research Funds for the Central Universities, China (Grant No. SPSZ031403).

Bidirectional reflectance distribution function modeling of one-dimensional rough surface in the microwave band

Guo Li-Xin (郭立新), Gou Xue-Yin (苟雪银), Zhang Lian-Bo (张连波)   

  1. School of Physics and Optoelectronic Engineering, Xidian University, Xi'an 710071, China
  • Received:2014-01-17 Revised:2014-04-25 Online:2014-11-15 Published:2014-11-15
  • Contact: Guo Li-Xin E-mail:lxguo@xidian.edu.cn
  • Supported by:

    Project supported by the National Natural Science Foundation for Distinguished Young Scholars of China (Grant No. 61225002), the Aeronautical Science Fund and Aviation Key Laboratory of Science and Technology on Avionics Integrated Sensor System Simulation, China (Grant No. 20132081015), and the Fundamental Research Funds for the Central Universities, China (Grant No. SPSZ031403).

摘要:

In this study, the bidirectional reflectance distribution function (BRDF) of a one-dimensional conducting rough surface and a dielectric rough surface are calculated with different frequencies and roughness values in the microwave band by using the method of moments, and the relationship between the bistatic scattering coefficient and the BRDF of a rough surface is expressed. From the theory of the parameters of the rough surface BRDF, the parameters of the BRDF are obtained using a genetic algorithm. The BRDF of a rough surface is calculated using the obtained parameter values. Further, the fitting values and theoretical calculations of the BRDF are compared, and the optimization results are in agreement with the theoretical calculation results. Finally, a reference for BRDF modeling of a Gaussian rough surface in the microwave band is provided by the proposed method.

关键词: bidirectional reflectance distribution function, rough surface, genetic algorithm, microwave band

Abstract:

In this study, the bidirectional reflectance distribution function (BRDF) of a one-dimensional conducting rough surface and a dielectric rough surface are calculated with different frequencies and roughness values in the microwave band by using the method of moments, and the relationship between the bistatic scattering coefficient and the BRDF of a rough surface is expressed. From the theory of the parameters of the rough surface BRDF, the parameters of the BRDF are obtained using a genetic algorithm. The BRDF of a rough surface is calculated using the obtained parameter values. Further, the fitting values and theoretical calculations of the BRDF are compared, and the optimization results are in agreement with the theoretical calculation results. Finally, a reference for BRDF modeling of a Gaussian rough surface in the microwave band is provided by the proposed method.

Key words: bidirectional reflectance distribution function, rough surface, genetic algorithm, microwave band

中图分类号:  (Electromagnetic wave propagation; radiowave propagation)

  • 41.20.Jb
02.60.Pn (Numerical optimization)