System for automatically obtaining two-waveband target all-polarization information

Abstract

The invention discloses a system for automatically obtaining two-waveband target all-polarization information, and belongs to the field of polarization detection. The system comprises a telescoping system, an optical splitting system, a visible light all-polarization detection system, a near-infrared all-polarization detection system and a computer processing system, wherein the visible light all-polarization detection system is arranged in the transmission direction of the optical splitting system, and the near-infrared all-polarization detection system is arranged in the reflection directionof the optical splitting system. By aiming at the problem of low identification rate when a traditional method carries out detection in a complex environment, the system combines the memory effect ofrotatory polarization with the advantage of wide infrared radiation range, and the visible light and the near-infrared all-polarization information are blended to increase the detection probability of the target in the complex medium environment. Meanwhile, a liquid crystal phase delayer method is adopted to eliminate the defect that a traditional rotation polarizing film method carries out manual regulation so as to be unfavorable for outfield experiments and accuracy is low, the requirement of the outfield experiment on target detection automation is met, and a new detection device is provided for obtaining the target under the complex environment.

Description

technical field [0001] The invention relates to a dual-band target full polarization information automatic acquisition system, which belongs to the field of polarization detection. Background technique [0002] In target recognition and detection, the human eye and visible light cameras can identify intensity and color, but cannot distinguish the different polarization differences of the light scattered from the object. The polarization detection technology introduces the polarization information of the target on the basis of traditional detection, which further reveals the shear wave properties of light and provides a new method for target detection and identification. [0003] Since the circular polarization of natural targets is very weak in natural environments, only linear polarization detection is generally used in target detection. However, in some complex environments, due to the memory effect of circular polarization, circular polarization has better polarization-m...

AI Technical Summary

Problems solved by technology

[0005] For complex media environments such as smoke and haze, in order to study the detection of target full polarization information in this environment, the present invention proposes a dual-band target full polarization information automatic acquisition system

Images