Journal of Convergence for Information Technology (융합정보논문지)

Convergence Society for SMB (중소기업융합학회)
권호 표지
DOI QR코드

DOI QR Code

A RCS investigation of Multiple Chaff clouds using Probability Distribution Characteristics

확률분포를 이용한 다중 채프의 RCS 특성 분석

  • Chae, Gyoo-Soo (Division of Information & Communication Eng., Baekseok University) ;
  • Lim, Joong-Soo (Division of Information & Communication Eng., Baekseok University) ;
  • Kim, Young-Ho (Division of Information & Communication Eng., Baekseok University)
  • 채규수 (백석대학교 정보통신학부) ;
  • 임중수 (백석대학교 정보통신학부) ;
  • 김영호 (백석대학교 정보통신학부)
  • Received : 2017.03.27
  • Accepted : 2017.04.10
  • Published : 2017.04.28
Download PDF
⟨ Previous Next ⟩

Abstract

In order to estimate chaff RCS, we suggest here a novel method using the probability distribution. Normally, a chaff is assumed that it is a thin dipole antenna and the RCS can be calculated by the scattering wave theory. Most of the theoretical methods presented were mainly focusing on a single chaff cloud. In this paper, the RCS calculation was done for two or more chaff clouds and the changes of RCS with azimuth angle were observed. Matlab was used for presenting the probability distribution of chaff clouds and RCS calculation. A more accurate RCS estimation method is suggested by estimating the number of chaffs except the blocked elements.

본 논문에서는 비행체나 함정 방어를 위해 사용되고 있는 채프의 RCS 예측을 위해 확률분포를 이용하는 방법을 제시하고 있다. 일반적으로 채프의 RCS는 레이다 사용주파수 대역에서 각각의 채프를 다이폴 안테나로 가정하고, 안테나의 산란특성 이용하여 RCS 값을 예측한다. 지금 까지 소개된 채프의 RCS 예측 연구 결과들은 주로 채프 한 발의 RCS를 이론적으로 계산하는 방법들이 제시되었다. 본 논문에서는 다중 채프의 RCS 예측 방법을 제시하였고, 특히 두 발 이상의 채프를 발사하였을 때 방위각에 따른 RCS 변화를 관찰 하였다. 채프 구름의 분포의 공간적 표현과 방향과 주파수에 따른 RCS 계산을 위해 Matlab이 사용되었다. 레이다 신호의 입사 방향에 따라 채프가 가려지는 경우 각 채프의 확률 분포를 고려하여 공간적으로 중첩되는 개수를 제외하여 실제 RCS를 예측하는 방법을 제시하였다.

Keywords

References

  1. J. A. Boyd, Electronic countermeasures, Peninsula Publishing, LA, CA, 1965.
  2. Schleher, D. Curtis, Introduction to electronic warfare, Dedham: Artech House, 1986.
  3. G. T. Ruck, et al., Radar cross section handbook, Chapter 4, Plenum Press, 1970.
  4. J. Dan, Cha Hao and Z. Lei, "A Simulation study of Chaff Echo Signal Based on LFM," International Journal of Signal Processing, Image Processing and Pattern Recognition, Vol. 9, No. 4, pp. 131-140, 2016. DOI: 10.14257/ijsip.2016.9.4.12
  5. J. Zhang, Z. Liu and H. Wang, "A Chaff Cloud Echo Modeling and Simulation Method based on Coherent Scattering Model," Journal of Computational Information System, Vol. 5, No. 5, pp. 1579-1586, 2015. DOI: 10.12733/jcis13221
  6. J. S. Lim, "Analysis of Induced Currents on the Dielectric Cube by the Fusion of MoM and PMCHW Integral Equation," Journal of the Convergence Society, Vol. 6, No. 5, pp. 9-14, 2015. DOI: 10.15207/JKCS.2015.6.5.009
  7. F. Pasquill, Atmospheric diffusion, 1st Ed., Van Nostrand-reinhold, Princeton, New-Jersey, 1962.
  8. H. T. Peters, A. K. Dominek, and L. Peter, Jr., "Electromagnetic scattering by a straight thin wire," IEEE Trans. on Antennas and Propagations, Vol. 37, No. 8, pp. 1019-1025, 1989. DOI: 10.1109/8.34139
  9. J. S, Lim, M. N. Kim and G. S. Chae, "A study on the dipole chaff RCS for aircraft," Journal of the korea academia-industrial cooperation society, Vol. 9, No. 3, pp. 690-694, 2008. DOI: 10.5762/KAIS.2008.9.3.690
  10. S. W. Marcus, "Electromagnetic wave propagation through chaff clouds," IEEE Trans. on Antennas and Propagations, Vol. 55, No. 7, pp. 2032-2042, 2007. DOI: 10.1109/TAP.2007.900178
  11. P. Pouliguen, O. Bechu, and J. L. Pinchot, "Simulation of chaff cloud Radar Cross Section," Antennas and Propagation Society International Symposium, 2005 IEEE, Vol. 3A, pp. 80-83, 3-8 July 2005. DOI: 10.1109/APS.2005.1552180
  12. Z. D. Zaharist, and J. N. Sahalos, "On the electromagnetic scattering of a chaff cloud," Electrical Engineering, Vol. 85, No. 3, pp. 129-135, 2003. DOI: 10.1007/s00202-003-0158-6
  13. R. A. Hessemer, Jr., "Scatter Communications with Radar Chaff," IRE Trans. on Antennas and Propagations, Vol. 9, No. 5, pp. 211-217, Mar. 1961. DOI: 10.1109/TAP.1961.1144981
  14. N. Kruger, "Modeling the EM properties of dipole reflections with application to uniform chaff clouds," Master's thesis, University of Stellenbosch, Matieland, South Africa, December 2009.
  15. L. Qiang and L. Yi-an, "A Modeling and Simulation Method of Chaff Cloud Echo," Journal of Modern Radar, Vol. 28, No. 8, pp. 91-94, 2006.