Analysis of the Influence of Seawater Channel Laser Transmission Distance on the Receiver Sensitivity

WANG Fei; YIN Ya-fang; YANG Yi

doi:10.13756/j.gtxyj.2017.02.007

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Analysis of the Influence of Seawater Channel Laser Transmission Distance on the Receiver Sensitivity

- Analysis of the Influence of Seawater Channel Laser Transmission Distance on the Receiver Sensitivity
- Study on Optical communication Issue 2, Pages: 23-26(2017)
- 作者机构：
  
  西安邮电大学电子工程学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2017.02.007
  CLC： TN929.1
- Published：2017，
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[1]王菲,阴亚芳,杨祎.海水信道激光传输距离对接收功率的影响分析[J].光通信研究,2017(02):23-26.

WANG Fei, YIN Ya-fang, YANG Yi. Analysis of the Influence of Seawater Channel Laser Transmission Distance on the Receiver Sensitivity. [J]. Study on Optical communication (2):23-26(2017)
[1]王菲,阴亚芳,杨祎.海水信道激光传输距离对接收功率的影响分析[J].光通信研究,2017(02):23-26. DOI： 10.13756/j.gtxyj.2017.02.007.

WANG Fei, YIN Ya-fang, YANG Yi. Analysis of the Influence of Seawater Channel Laser Transmission Distance on the Receiver Sensitivity. [J]. Study on Optical communication (2):23-26(2017) DOI： 10.13756/j.gtxyj.2017.02.007.

摘要

海水信道的衰减特性影响着激光信号的传输距离以及接收光功率。文章根据海水的光学特性

分析了激光在海水通信信道中的衰减特性

利用蒙特卡洛方法模拟激光在海水信道中的传输过程

得到了不同传输距离对接收光功率影响的仿真图。同时利用高斯函数对仿真结果进行了曲线拟合

得到了一定海水杂质浓度时

海水中激光传输距离及任意位置与接收功率之间的理论模型

从而可快速得到一定传输距离下

任意接收位置的接收光功率

为将来水下激光通信接收系统的设计提供了理论依据。

Abstract

The attenuation characteristics of seawater channel affect the laser signal’s transmission distance and receive power.In this paper

according to the coastal ocean of optical characteristics

we analyze the attenuation characteristics of the laser in seawater communications’ channel

and use Monte Carlo method to investigate the transmission process of the laser in seawater channel.Then

we obtain the simulation figures describing the relationship between the transmission distance and received power.We also use Gaussian function to fit the simulation results.In this way

we obtain a theoretical model to describe the relationship between the laser transmission distance and receive power at any position when seawater is impurity concentration.Therefore

we can quickly calculate the receiver power at any locations under certain distances

which provides a theoretical basis for the future design of underwater laser communication system.

关键词

海水信道蒙特卡洛仿真高斯拟合拟合误差

Keywords

seawater channelMonte Carlo simulationGaussian fittingerror of fitting

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State Key Laboratory of Marine Geology, Tongji University

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