Laser active imaging radar target echo signal simulation system and method

Abstract

The invention relates to a laser active imaging radar target echo signal simulation system and method, and belongs to the technical field of photoelectric information. The system comprises a signal generation system which used for generating X paths of primary optical delay pulse signals and conduction information of different slice image pixels; an optical fiber array which is used for generating Y paths of secondary optical delay pulse signals according to the X paths of primary optical delay pulse signals, X being the number of optical fiber bundles of the optical fiber array, and Y being the total number of optical fibers of the X optical fiber bundles; a delay signal routing system which is used for displaying corresponding Y different delay slice images according to the Y paths of secondary optical delay pulse signals and the conduction information of different delay slice image pixels; and a delay image reconstruction system which is used for superposing the Y different delay slice images into a three-dimensional distance image and projecting the three-dimensional distance image to an entrance pupil of a tested detector.

Description

Technical field[0001]The present invention relates to the field of photoelectric information technology, and more particularly to a laser active imaging radar target echo signal analog system and method.Background technique[0002]The laser imaging guidance technology belongs to the active imaging guidance, which has the characteristics of high distance resolution, high angular resolution, excellent monochrome and strong concealedness, not only can achieve the intensity image of the target, but also the three-dimensional distance image of the target. Important guidance system for future aircraft. In order to conduct performance inspection and verification of laser active imaging guidance control system, it is necessary to develop high-distance resolution, high frame rate, multi-pixel laser target echo simulator to construct a semi-real simulation test system to complete the performance test of its guidance control system. And verification.[0003]With the continuous development of laser...

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Problems solved by technology

[0005] In view of the above analysis, the embodiment of the present invention aims to provide a laser active imaging radar target echo signal simulation system and method to solve the problem of existing high-precision delay control and real-time spatial reconstruction of multi-pixel laser echo signals. Problems that require large-scale time-delay slicing and require large-scale optical switch arrays

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