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

doi:10.1088/1674-1056/23/11/114102

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.

Keywords: bidirectional reflectance distribution function rough surface genetic algorithm microwave band

Received: 17 January 2014
Revised: 25 April 2014
Accepted manuscript online:

PACS:	41.20.Jb	(Electromagnetic wave propagation; radiowave propagation)
	02.60.Pn	(Numerical optimization)

Fund:

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).

Corresponding Authors: Guo Li-Xin
E-mail: lxguo@xidian.edu.cn

Cite this article:

Guo Li-Xin (郭立新), Gou Xue-Yin (苟雪银), Zhang Lian-Bo (张连波) Bidirectional reflectance distribution function modeling of one-dimensional rough surface in the microwave band 2014 Chin. Phys. B 23 114102

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

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