Analysis of Underwater Target Signal and Its Effective Attenuation Coefficient

DU Zhu-feng; HUANG Tie-xia; LU Yi-min; YANG Zong-kai

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Analysis of Underwater Target Signal and Its Effective Attenuation Coefficient

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- Analysis of Underwater Target Signal and Its Effective Attenuation Coefficient
- Acta Electronica Sinica Vol. 31, Issue 12, Pages: 1815-1819(2003)
- 作者机构：
  
  1. 武汉邮电科学研究院系统部,湖北,武汉,430074
  2. 华中科技大学电子与信息工程系,湖北,武汉,430074
  3. 武汉邮电科学研究院系统部湖北武汉,430074
  4. 华中科技大学电子与信息工程系湖北武汉,430074
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN958
- Published：2003
- 稿件说明：
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DU Zhu-feng, HUANG Tie-xia, LU Yi-min, et al. Analysis of Underwater Target Signal and Its Effective Attenuation Coefficient[J]. Acta Electronica Sinica, 2003, 31(12): 1815-1819.
DOI：

DU Zhu-feng, HUANG Tie-xia, LU Yi-min, et al. Analysis of Underwater Target Signal and Its Effective Attenuation Coefficient[J]. Acta Electronica Sinica, 2003, 31(12): 1815-1819. DOI：

摘要

本文采用一种改进的Monte Carlo方法对水下目标信号进行了模拟.结果表明

除单次散射外

第二、三次散射对目标信号的作用最大.而对水下目标时的有效衰减系数

eff

进行研究后发现

eff

与无水下目标的后向散射包络的有效衰减系数

是不相同的

即

eff

≠K

.并由不同参数条件下的模拟结果得出了它们之间的多个简单线性关系式.

Abstract

A modified Monte Carlo method is used to simulate the returned signals of underwater target.The results show that the contributions of the second and third scattering to the received target signal are very great in addition to the single scattering.Moreover

a new opinion that the effective attenuation coefficient of the target signal (

eff

) is larger than the attenuation coefficient of backscattering (

) is proposed.The simple linear relationships between

eff

and

are set up based on various parameters.

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