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Radar Cross Section Analysis Using Physical Optics and Its Applications to Marine Targets

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http://www.scirp.org/journal/PaperInformation.aspx?PaperID=53669#.VM8r8CzQrzE

Author(s)  
Joon-Tae Hwang1*, Suk-Yoon Hong, Jee-Hun Song2, Hyun-Wung Kwon3

Affiliation(s)
Department of Naval Architecture and Ocean Engineering, Seoul National University, Seoul, Republic of Korea.
Department of Naval Architecture and Ocean Engineering, Seoul National University, Seoul, Republic of Korea.
Department of Naval Architecture and Ocean Engineering, Chonnam National University, Yeosu, Republic of Korea.
Department of Naval Architecture and Ocean Engineering, Kojecollege, Koje, Republic of Korea.

ABSTRACT
Radar Cross Section (RCS) is one of the most considerable parameters for ship stealth design. As modern ships are larger than their predecessors, RCS must be managed at each design stage for its reduction. For predicting RCS of ship, Radar Cross Section Analysis Program (RACSAN) based on Kirchhoff approximation in high frequency range has been developed. This program can present RCS including multi-bounce effect in exterior and interior structure by combination of geometric optics (GO) and physical optics (PO) methods, coating effect by using Fresnel reflection coefficient, and response time pattern for detected target. In this paper, RCS calculations of ship model with above effects are simulated by using this developed program and RCS results are discussed.

KEYWORDS
Radar Cross Section (RCS), Kirchhoff Approximation, Multi-Bounce Effect, Response Time Pattern

Cite this paper
Hwang, J. , Hong, S. , Song, J. and Kwon, H. (2015) Radar Cross Section Analysis Using Physical Optics and Its Applications to Marine Targets. Journal of Applied Mathematics and Physics, 3, 166-171. doi: 10.4236/jamp.2015.32026.

References
[1]Urick, R.J. (1983) Principles of Underwater Sound. 3rd Edition, McGraw-Hill, New York.
 
[2]Okumura, T., Masuya, T., Takao, Y. and Sawada, K. (2003) Acoustic Scattering by an Arbitrarily Shaped Body: An Application of the Boundary-Element Method. ICES Journal of Marine Science, 60, 563-570. http://dx.doi.org/10.1016/S1054-3139(03)00060-2
 
[3]Thompson, L.L. and Pinsky, P.M. (1996) A Space-Time Finite Element Method for the Exterior Acoustics Problems, Journal of the Acoustical Society of America, 99, 3297-3311. http://dx.doi.org/10.1121/1.414887
 
[4]Klement, D., Preissner, J. and Stein, V. (1988) Special Problems in Applying the Physical Optics Method for Backscatter Computation of Complicated Objects. IEEE Transactions on Antennas and Propagation, 36, 228-237. http://dx.doi.org/10.1109/8.1100
 
[5]Stanton, T.K. (2000) On Acoustic Scattering by a Shell-Covered Seafloors. Journal of the Acoustical Society of America, 108, 551-555. http://dx.doi.org/10.1121/1.429585
 
[6]Ufimtsev, P.Y. (1991) Elementary Edge Waves and the Physical Theory of Diffraction. Electromagnetics, 11, 125-160. http://dx.doi.org/10.1080/02726349108908270
 
[7]Keller, J.B. and Ahluwalia, D.S. (1971) Diffraction by a Curved Wire. SIAM Journal on Applied Mathematics, 20, 390-405. http://dx.doi.org/10.1137/0120043
 
[8]Schneider, H.G., Berg, R., Gilroy, L., Karasalo, I., MacGillivray, I., Morshuizen, M.T. and Volker, A. (2003) Acoustic Scattering by a Submarine: Results from a Benchmark Target Strength Simulation Workshop. 10th International Congress on Sound and Vibration, Stockholm, 7-10 July 2003, 2475-2482.
 
[9]Knott, E.F., Shaeffer, J.F. and Tuley, M.T. (1993) Radar Cross Section. 2nd Edition, Artech House, Inc., Boston. http://dx.doi.org/10.1137/0120043
 
[10]Gordon, W.B. (1975) Far Field Approximation of the Kirchhoff-Helmholtz Representation of Scattered Field. IEEE Transactions on Antenna and Propagation, 23, 590-592. http://dx.doi.org/10.1109/TAP.1975.1141105
 
[11]Kim, K. High-frequency Back-scattering Analysis and Its Application to Marine Targets. Pusan National Univ., Pusan.
 
[12]Brekhovskikh, L.M. (1960) Waves in Layered Media. Academic Press, New York.              eww150202lx
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