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2007•Journal of Kunming University of Science and TechnologyRequires access

Analyzing RCS of 3D Aircraft Using Finite Difference Algorithm

Kun Zhang

Open publisher page 1 citations

Abstract

The basic theory of FDTD is introduced and compared with other numerical methods.The setting of Perfecting Matched Layer(PML) in FDTD is discussed.Calculations are performed for the bistatic RCS of medium sphere using 3D FDTD program. Numerical results are consistent with those of literature available,hence the 3D program is shown correct and effective.And then calculations are carried on for bistatic RCS of simple 3D aircraft and the results are discussed.It shows that the method can precisely calculate RCS with big and complex objects.

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What this paper is about

The basic theory of FDTD is introduced and compared with other numerical methods.The setting of Perfecting Matched Layer(PML) in FDTD is discussed.Calculations are performed for the bistatic RCS of medium sphere using 3D FDTD program. Numerical results are consistent with those of literature available,hence the 3D program is shown correct and effective.And then calculations are carried on for bistatic RCS of simple 3D aircraft and the results are discussed.It shows that the method can precisely calculate RCS with big and complex objects.

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Available abstract

The basic theory of FDTD is introduced and compared with other numerical methods.The setting of Perfecting Matched Layer(PML) in FDTD is discussed.Calculations are performed for the bistatic RCS of medium sphere using 3D FDTD program. Numerical results are consistent with those of literature available,hence the 3D program is shown correct and effective.And then calculations are carried on for bistatic RCS of simple 3D aircraft and the results are discussed.It shows that the method can precisely calculate RCS with big and complex objects.

Key concepts: Finite-difference time-domain method, Simple (philosophy), Bistatic radar, Computer science, Radar cross-section, Perfectly matched layer, Algorithm, Finite difference method

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