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Research on Space Targets Simulation Modulation Algorithm Combined Global-Local Multi-Spectral Radiation Features.

Yu Zhang¹, Songzhou Yang², Zhipeng Wei¹

¹State Key Laboratory of High Power Semiconductor Lasers, Changchun University of Science and Technology, Changchun 130022, China.

Sensors (Basel, Switzerland)

|May 14, 2025

Summary

This summary is machine-generated.

This study introduces a novel multi-spectral space target simulation modulation algorithm that integrates global and local spectral radiation features. The developed system achieves high accuracy, supporting advanced performance testing for optical loads.

Keywords:

global–local radiation features modulation algorithm multi-source information fusion non-uniformity compensation space target simulation

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Area of Science:

Space target simulation
Optical engineering
Remote sensing technology

Background:

Accurate simulation of multi-spectral space targets is crucial for performance testing of optical loads.
Existing methods struggle to combine global and local spectral radiation features effectively.
International challenges exist in simulating complex radiation characteristics of space targets.

Purpose of the Study:

To propose a multi-spectral space target simulation modulation algorithm capable of integrating global and local spectral radiation features.
To construct a series-parallel multi-source information fusion space target simulation system (MITS).
To validate the algorithm's correctness and advancement through an experimental platform.

Main Methods:

Development of a multi-spectral feature modulation algorithm with three modules: optical engine non-uniformity compensation, global spectral radiant energy modulation, and local radiant grayscale modulation.
Construction of a series-parallel multi-source information fusion space target simulation system (MITS).
Experimental validation of the proposed algorithm and system.

Main Results:

Achieved optical engine non-uniformity better than 3.78%.
Demonstrated global simulation error better than -4.56%.
Attained local simulation error better than 4.25%.

Conclusions:

The proposed algorithm effectively combines global and local spectral radiation features for multi-spectral space targets.
This simulation capability is unique worldwide and supports performance testing and technology iteration of multi-spectral optical loads.
The work enhances the theoretical framework of multi-spectral space target simulation and ground-based semi-physical simulation.