Polarized light imaging system energy calculation method in complex weather

Abstract

The invention discloses an energy calculation method for a polarized light imaging system in complex weather, which belongs to the field of optical detection theory research and comprises the following steps: determining polarized light imaging conditions and environmental conditions and target and detector parameters in complex weather; calculating the irradiance of the solar radiation energy on the target in the response wave band of the detector; determining a target polarization reflectivity by using a 6S atmospheric radiation transmission model; acquiring the brightness of target indirect radiation; using Modtrans4.0 software to determine the atmospheric average transmittance of the detector response wave band; determining the transmittance of the optical system by using zemax software; acquiring detector image plane center illumination, light energy at an entrance pupil of an optical system, the number of electrons generated by a target on the detector, total system noise and a signal-to-noise ratio; utilizing matlab / VC + + programming software, compiling software according to the process, and carrying out analysis and optimization iteration; finally, forming a polarized light imaging system meeting the energy requirement and the signal-to-noise ratio requirement.

Description

technical field [0001] The invention belongs to the research field of optical detection theory, and in particular relates to an energy calculation method of a polarized light imaging system under complex weather. Background technique [0002] my country's optoelectronic imaging equipment is mainly based on intensity imaging TV cameras or infrared thermal imaging cameras, that is, by obtaining the reflection of the target and the background, the distribution characteristics of the radiation intensity in space, and combining information processing methods to identify and track the target of interest . This method has played an important role under previous conditions, but the detection performance is degraded in complex environments such as smog and smoke, and it is difficult to identify and distinguish low-contrast targets. Polarization imaging detection technology has the advantages of "penetrating smoke", "highlighting targets", and "distinguishing authenticity", and has re...

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is: in order to obtain the result of polarized light energy transfer in real fog and haze weather, better develop the environmental adaptability of the polarization imaging detection optical system design and equipment application, and propose a polarized light in complex weather Energy Calculation Method of Imaging System

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