Device and method for increasing detection distance in sea fog environment based on wide-spectrum circular polarization

Abstract

The invention discloses a device and method for increasing a detection distance in a sea fog environment based on wide-spectrum circular polarization, and belongs to the field of polarization transmission detection. According to the invention, a wide-spectrum circularly polarized light generation system can generate wide-spectrum circularly polarized light. The wide-spectrum circularly polarized light is transmitted through a sea fog multilayer medium environment, reflected by a target object, transmitted through the sea fog multilayer medium environment and then enters a polarization detection image receiving system, the polarization information image processing system acquires and analyzes information of the polarization detection image receiving system, and the research on the distance increase of the detection target of the wide-spectrum circularly polarized light in the complex multi-layer sea fog environment is completed. The requirements of increasing the contrast ratio and improving the detection distance during target detection in the sea fog environment can be met, and a theoretical and technical foundation is laid for improving the detection distance of the polarization target in the marine environment.

Description

technical field [0001] The invention belongs to the field of polarization transmission detection, and in particular relates to a device and a method for increasing the detection distance in a sea fog environment based on wide-spectrum circular polarization. Background technique [0002] Due to the complexity and particularity of the marine environment, it becomes difficult to detect targets on the sea. At the same time, various particles in the sea fog cause light absorption, scattering and refraction, and the target will not be detected at a certain distance. This brings great challenges to the detection work at sea. Therefore, under the influence of sea fog, improving the detectable distance of the target and improving the contrast have become problems that must be solved. [0003] The polarization memory of circularly polarized light can increase the contrast of seeing the light source through thick sea fog. The image produced by the circularly polarized light source wi...

AI Technical Summary

Problems solved by technology

The device can realize long-distance wide-band laser detection and make up for the existing technical problems of unclear imaging caused by insufficient distance when detecting targets in dense fog environments

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