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Underwater photon transmission simulation method based on vertical chlorophyll concentration distribution

A technology for chlorophyll concentration and transmission simulation, applied in the field of underwater photon transmission simulation, can solve problems such as photon polarization analysis, and achieve the effect of strong practicability and simple process

Pending Publication Date: 2021-12-17
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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  • Description
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  • Application Information

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Problems solved by technology

However, the existing studies are all aimed at the underwater optical communication system based on the concentration of chlorophyll, and have not analyzed the characteristics such as the degree of polarization of photons

Method used

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  • Underwater photon transmission simulation method based on vertical chlorophyll concentration distribution
  • Underwater photon transmission simulation method based on vertical chlorophyll concentration distribution
  • Underwater photon transmission simulation method based on vertical chlorophyll concentration distribution

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Embodiment Construction

[0015] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0016] The following description and drawings illustrate specific embodiments of the invention sufficiently to enable those skilled in the art to practice them. Other embodiments may include changes to the seawater channel model, simulation parameters, and others. The examples merely represent possible variations. Portions and features of some embodiments may be included in or substituted for those of other embodiments. The scope of embodiments of the present invention includes the full scope of the claims, and all available equivalents of the claims. These embodiments of the present invention may be referred to herein, individually or collectively, by the term "invention", which is for convenience only and is not intended to automatically limit the application if in fact more than one invention is disclosed The scope...

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Abstract

The invention relates to an underwater photon transmission simulation method based on vertical chlorophyll concentration distribution, and the method comprises the steps: building an underwater quantum channel vertical transmission model, dividing a sea area according to different chlorophyll concentrations of a seawater surface layer, and carrying out the analysis to obtain a change condition of a deep seawater attenuation coefficient; and then using a Monte Carlo method to simulate the underwater transmission characteristic change trend of polarized photons, and realizing the uncertainty of the photon scattering process through random sampling. According to the simulation method, measurement of deep seawater parameters is avoided, and compared with a traditional method for describing seawater attenuation characteristics through a single parameter, the method is closer to reality, description of the seawater characteristics is more specific, practicability is high, and the method is universally applicable to multiple sea areas. Calculation is simple, physical images are visual, and the photon transmission characteristics obtained through analysis can provide theoretical reference for application of underwater communication, detection and positioning technologies and the like.

Description

technical field [0001] The invention relates to an underwater photon transmission simulation method based on vertical chlorophyll concentration distribution, and belongs to the technical field of optical communication. Background technique [0002] At present, free space quantum communication and optical fiber quantum communication technologies have matured and are moving towards the stage of practical application. In order to build a quantum communication network integrating air, space, ground and sea in the future, it is necessary to increase the research and development of underwater quantum communication technology. In addition, the ocean is an important place for civilian operations and military activities in various countries, and the realization of underwater quantum communication is an important guarantee for the normal operation of these fields. Quantum signals (mainly light quanta in the blue-green light band of 450nm-550nm) are mainly affected by the absorption a...

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Application Information

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IPC IPC(8): H04B17/391H04B10/70H04B13/02
CPCH04B17/3912H04B10/70H04B13/02
Inventor 刘涛邱佳李佳佳王思佳刘舒宇
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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