Reproducing of the Spatiotemporal Statistical Characteristics in RFSS for Chaff Clouds

TANG Bo; LU Jia-qi; GUO Kun-yi; SHENG Xin-qing

doi:10.12263/DZXB.20211282

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Reproducing of the Spatiotemporal Statistical Characteristics in RFSS for Chaff Clouds

PAPERS | 更新时间：2025-12-08

- Reproducing of the Spatiotemporal Statistical Characteristics in RFSS for Chaff Clouds
- ACTA ELECTRONICA SINICA Vol. 51, Issue 4, Pages: 843-849(2023)
- 作者机构：
  
  1.北京科技大学计算机与通信工程学院,北京 100083
  2.北京理工大学集成电路与电子学院射频技术与软件研究所,北京 100081
- 作者简介：
- 基金信息：
- DOI：10.12263/DZXB.20211282
  CLC： TN95
- Received：19 September 2021，
  
  Revised：2022-04-05，
  
  Published：25 April 2023
- 稿件说明：
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唐波,鲁嘉淇,郭琨毅等.针对时空统计特性的箔条云半实物射频仿真[J].电子学报,2023,51(04):843-849.

TANG Bo,LU Jia-qi,GUO Kun-yi,et al.Reproducing of the Spatiotemporal Statistical Characteristics in RFSS for Chaff Clouds[J].ACTA ELECTRONICA SINICA,2023,51(04):843-849.
唐波,鲁嘉淇,郭琨毅等.针对时空统计特性的箔条云半实物射频仿真[J].电子学报,2023,51(04):843-849. DOI： 10.12263/DZXB.20211282.

TANG Bo,LU Jia-qi,GUO Kun-yi,et al.Reproducing of the Spatiotemporal Statistical Characteristics in RFSS for Chaff Clouds[J].ACTA ELECTRONICA SINICA,2023,51(04):843-849. DOI： 10.12263/DZXB.20211282.

摘要

本文针对箔条云半实物射频仿真（Radio Frequency Simulation System，RFSS）中的关键问题进行研究，给出了对箔条云进行半实物射频仿真时的三元组的馈电系数的计算公式.与对点目标的仿真不同，对箔条云的仿真更注重其散射场统计特性的复现.箔条云的空间随机分布和随机运动特性，表现为其回波的空间相关性和时间相关性.本文通过三元组馈电系数之间的相关性来仿真箔条云散射回波的空间相关性；通过差分重心公式的横向平移、径向相移以及时域滤波来仿真箔条云散射回波的时间相关性.数值模拟结果验证了所给出的箔条云射频仿真方法的有效性.这些工作为箔条云的半实物射频仿真提供了理论基础和分析框架.

Abstract

This paper studies the problems in the radio frequency simulation system (RFSS) for chaff clouds

and gives the method to calculate the feeding coefficients of the triad in RFSS. Compared with the point target simulation

chaff clouds simulation focuses on the reproducing of the statistical characteristics of echoes of chaff clouds. The random distribution and the random motion of the dipoles in the chaff clouds will cause the spatial correlations and the temporal correlations of the back scattering wave of the chaff clouds. In this paper

it is shown that the characteristics of the spatial correlations can be reproduced through the correlations among the feeding coefficients of the transmitting units. And the characteristics of the temporal correlations can be reproduced through the difference mass-center equation

phase shifting in the range and filtering in the time domain. The numerical results have been given to validate the calculating method of the feeding coefficients of the triad in RFSS for chaff clouds simulation. This work provides the analysis framework of the RFSS for chaff clouds theoretically.

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references

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Related Author

TANG Bo

LU Jia-qi

GUO Kun-yi

SHENG Xin-qing

Related Institution

School of Computer and Communication Engineering， University of Science and Technology Beijing

Institute for Radio Frequency Technology and Software， School of Integrated Circuit and Electronics， Beijing Institute of Technology

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