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Device and method for automatic measurement of apparent spectral dichroism of water body

An automatic measurement, bidirectional technology, applied in the field of remote sensing, can solve problems such as insufficiency, low degree of automation, influence, etc., to achieve the effect of improving matching and ensuring simultaneity

Active Publication Date: 2017-06-16
WUHAN UNIV
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Problems solved by technology

At present, most of the equipment that can measure the dichroism of the light field of water in the world is for measuring the underwater light field, while the existing equipment that can measure the dichroism of the light field of the water surface is not highly automated and is greatly affected by human factors. Unable to meet the requirements of long-term serial sample data collection for actual on-site operations

Method used

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  • Device and method for automatic measurement of apparent spectral dichroism of water body
  • Device and method for automatic measurement of apparent spectral dichroism of water body
  • Device and method for automatic measurement of apparent spectral dichroism of water body

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Embodiment Construction

[0038] In order to facilitate those of ordinary skill in the art to understand and implement the present invention, the present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the implementation examples described here are only used to illustrate and explain the present invention, and are not intended to limit this invention.

[0039] This example is an experiment carried out in Poyang Lake. The experiment only measured the water spectrum at two angles, which are (θ: 40, -45), (θ: 40, 135), 135-degree symmetry used to be -45 degrees.

[0040] Such as figure 1 , figure 2 , image 3 , Figure 4 and Figure 5 As shown, a kind of water body apparent spectrum ditropic automatic measuring device provided by the present invention comprises a total control system 1, an automatic adjustment system for observation geometry 2, a global positioning system 3, and a multi-angle optical m...

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Abstract

The invention discloses an automatic measurement device and method for the apparent spectral ditropy of water bodies. The device includes a general control system, an automatic adjustment system for observation geometry, a global positioning system, and a multi-angle optical measurement system; Automatic adjustment system, global positioning system, multi-angle optical measurement system connection, multi-angle optical measurement system is installed on the observation geometry automatic adjustment system; methods include installation deployment, position information input, real-time time information input, sun azimuth calculation, observation geometry Automatic adjustment, multi-angle spectrum acquisition; the invention can easily realize the automatic measurement of the apparent spectrum of water body in several observation azimuths, strictly adjust the observation angle, and collect spectral data in parallel, ensuring the simultaneity and synchronization of the spectral data in the observation azimuths It greatly improves the matching of spectral data collected from different observation angles, and provides high-quality and high-quality on-site observation data for the study of apparent spectral dichroism of water bodies.

Description

technical field [0001] The invention belongs to the technical field of remote sensing, and in particular relates to an automatic measurement device and method for apparent spectral dichroism of a water body. Background technique [0002] The water body light field is not isotropic. In the research of water color remote sensing inversion algorithm, water surface substitution calibration experiment of water color remote sensor and atmospheric correction algorithm of water color remote sensing data, the bidirectionality of water body light field cannot be ignored. The study of its distribution law has very important scientific and practical significance. The multi-angle measurement data of the apparent spectrum of the water body is an important basis for the analysis of the bidirectionality of the light field of the water body. The research on the bidirectionality of the light field of the oceanic water body is relatively mature, but there are still many problems in the researc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/25G01N21/19G01N21/01
Inventor 田礼乔陈晓玲黄锐
Owner WUHAN UNIV
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