Modeling 3D Wings Like Object Based On Finite-Different Time-Domain (FDTD) Method In Graphical User Interface For Radar Cross Section (RCS)

Nazrul Affendi, Che Ibrahim (2013) Modeling 3D Wings Like Object Based On Finite-Different Time-Domain (FDTD) Method In Graphical User Interface For Radar Cross Section (RCS). Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This thesis focuses on the application of radar. This application is to identify patterns of Radar Cross Section (RCS) in a wide band frequency where the frequencies reflected on an object such as an airplane wing. Each airplane wing design provides a difference of Radar Cross Section (RCS) patterns where type of wing design depending on characteristics of the aircraft. By using this application, the forms of these wings can be easier studied before it is designed as a prototyping where it is very useful especially in the Air Force. This application uses the Finite Difference Time Domain method (FDTD). Whereas this method is simpler than Method of Moments (MoM) or Finite Element Method (FEM) and it is space time based domain as a result benefited to wide band frequencies application FDTD is able to compute the pattern of Radar Cross Section (RCS) as imaginary. In this method, there are other methods used to achieve the Radar Cross Section (RCS) pattern as similar as real. The method is Perfectly Matched Layer (PML), Absorbing Boundary Condition (ABC), Near Field Far Field (NFFF) and Scattering Parameters. In addition, to facilitate the wing shape is examined, Graphical User Interfaces (GUI) are used to display the Radio Cross section (RCS) depends on the chosen form of wings.

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