System for measuring scattering function of water body wide-angle body

A scattering function and measurement system technology, which is applied in the field of on-site synchronous measurement devices for wide-angle body scattering functions of water bodies, can solve problems such as the inability to obtain water body scattering coefficients, forward scattering coefficient scattering phase functions, etc., and achieve synchronization of measurement data and good repeatability and stability effects
CN101413888AInactive Publication Date: 2009-04-22SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
Publication Date
2009-04-22
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention provides a measuring system for a wide-angle volume scattering function of water body. The structure of the invention mainly comprises: a measuring device for volume scattering function of water body and a data acquisition circuit of the measuring system, wherein, the measuring device for volume scattering function of water body is composed of a light source, a transmitted light detecting probe and a plurality of scattered light detecting probes which are equipped on different positions of the toroidal radius of a semi-toroidal frame respectively so as to detect the transmitted light and scattering light signals from different directions ranging from 0 DEG to 180 DEG., the light source, the transmitted light detecting probe and all scattered light detecting probes are connected with the data acquisition circuit of the measuring system by a watertight cable, and the data acquisition and storage process of the measuring device is controlled by the data acquisition circuit of the measuring system. The measuring system can measure the transparency of water body and the volume scattering function of water body in different directions ranging from 0 DEG to 180 DEG synchronously both on-line and on-site, and can be used for profile analysis on scattering and inherent optical properties of water body on-site.
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Description

technical field

[0001] The invention relates to an on-site synchronous measuring device for the scattering function of a water body wide-angle body. Background technique

[0002] Natural water bodies and various suspended particles and dissolved organic matter contained in them determine the optical characteristics of water bodies. The volume scattering function (VSF) used to describe the directionality of light scattering in water bodies is a very important inherent optical characteristic parameter of water bodies. Volume scattering function and absorption coefficient, according to the closure of the inherent optical properties of the water body (ie: a+b=c) and the correlation between the water body scattering function and each scattering coefficient, other inherent optical characteristic parameters of the water body can be calculated, such as : Scattering coefficient, backscattering coefficient, forward scattering coefficient, scattering phase function and attenuation coef...

Claims

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