Two Dimensional Frequency-Angle Domain Adaptive Combined Interpolation Method for Electromagnetic Scattering Analysis of Precipitation Particles

Authors

  • Jiaqi Chen 1 College of Computer and Information Engineering Hohai University, Nanjing, 210098, China , 2 State Key Laboratory of Millimeter Wave Southeast University, Nanjing, 210096, China 3 Department of Space Microwave Remote Sensing System, Institute of Electronics Chinese Academy of Sciences, Beijing, 100190, China
  • Jianan Lin College of Computer and Information Engineering Hohai University, Nanjing, 210098, China
  • Zhiwei Liu School of Information Engineering East China Jiaotong University, Nanchang, 330013, China
  • Ning Li Department of Space Microwave Remote Sensing System, Institute of Electronics Chinese Academy of Sciences, Beijing, 100190, China
  • Ping Ping College of Computer and Information Engineering Hohai University, Nanjing, 210098, China
  • Xuewei Ping College of Computer and Information Engineering Hohai University, Nanjing, 210098, China

Keywords:

Electromagnetic scattering, frequencyangle domain interpolation, precipitation particles, sparse-matrix/canonical grid method

Abstract

A combined 2-D interpolation method is proposed for the efficient electromagnetic scattering analysis of precipitation particles over a broad frequency and angular band. This method combines the cubic spline interpolation method and the Steor-Bulirsch model. The cubic spline interpolation method is applied to model the induced current over wide angular band. The Steor-Bulirsch model is applied to accelerate calculation over wide frequency band. In order to efficiently compute electromagnetic scattering, sparsematrix/ canonical grid method (SM/CG) is applied to accelerate the matrix vector multiplication in EFIE. Therefore, the calculation time of frequency and angular sweeps become shorter. Numerical results demonstrate that this combined method is efficient for wide-band scattering calculation of precipitation particles with high accuracy.

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Published

2021-08-05

How to Cite

[1]
Jiaqi Chen, Jianan Lin, Zhiwei Liu, Ning Li, Ping Ping, and Xuewei Ping, “Two Dimensional Frequency-Angle Domain Adaptive Combined Interpolation Method for Electromagnetic Scattering Analysis of Precipitation Particles”, ACES Journal, vol. 32, no. 03, pp. 221–228, Aug. 2021.

Issue

2017: Vol 32 Iss 3

Section

General Submission