基于时空谱特征的智能双分支抗干扰识别模型

doi:10.7527/S1000-6893.2026.33582

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基于时空谱特征的智能双分支抗干扰识别模型

李娜¹,杨翔宇²,赵慧洁²,李曾仁²,贾国瑞²

1. 北京航空航天大学（Beihang University）
2. 北京航空航天大学

收稿日期:2026-03-17 修回日期:2026-05-13 出版日期:2026-05-19 发布日期:2026-05-19
通讯作者: 赵慧洁

Intelligent Dual-Branch Anti-Jamming Recognition Model Based on Spatial-Temporal-Spectral Features

Received:2026-03-17 Revised:2026-05-13 Online:2026-05-19 Published:2026-05-19

摘要/Abstract

摘要： 基于声光可调谐滤波器的中波红外光谱成像探测系统可用于空中目标探测，获取红外光谱图像序列，增强抗诱饵干扰能力。但是，由于探测过程中目标特征随着观测角度变化，增加了抗干扰识别的难度。针对这一问题，提出了基于时空谱特征的智能双分支抗干扰识别模型，利用多光谱图像序列，提取时空谱特征，实现远距离探测时空中目标与干扰的有效区分。该模型依据空中目标的光谱特征随观测角度的变化规律设计，主要包括时空谱特征提取与识别模型分支和多特征融合识别模型分支。前者基于改进的ConvLSTM构建，利用红外光谱图像序列提取时空谱特征进行目标与干扰区分，用于尾后大角度观测条件下目标与干扰的光谱差异大的场景；后者基于运动、辐射、波段比等多特征提取模块与Transformer识别模块构建，融合多维度特征进行目标与干扰区分，用于尾后小角度观测条件下目标与干扰的光谱差异小的场景。利用模拟实验数据和仿真数据进行验证，在远距离小目标阶段，对于不同的观测角度下的干扰，识别准确率优于90%，可有效区分目标与干扰。

Abstract: The mid-wave infrared spectral imaging detection system based on an acousto-optic tunable filter can be used for aerial target detection, acquiring infrared spectral image sequences to enhance anti-decoy interference capability. However, during the detection process, the target features vary with the observation angle, increasing the difficulty of anti-interference recognition. To address this issue, an intelligent dual-branch anti-interference recognition model based on spatial-temporal-spectral features is proposed. This model utilizes multispectral image sequences to extract spatial-temporal-spectral features, enabling effective discrimination between aerial targets and interference during long-range detection. The model is designed based on the variation pattern of spectral features of aerial targets with observation angles. It mainly consists of two branches: the spatial-temporal-spectral feature extraction and recognition model branch and the multi-feature fusion recognition model branch. The former is constructed based on an improved ConvLSTM, which extracts spatial-temporal-spectral features from infrared spectral image sequences to distinguish between targets and interference, suitable for scenarios with significant spectral differences between targets and interference under large-angle tail observation conditions. The latter is built upon multi-feature extraction modules and a Transformer-based recognition module, integrating multi-dimensional features for target-interference discrimination, suitable for scenarios with small spectral differences under small-angle tail observation conditions. Validated using simulated experimental data and synthetic data, the model achieves a recognition accuracy of over 90% for interference under different observation angles during the long-range small-target stage, effectively distinguishing between targets and interference.

Key words: Aerial target,, Anti-interference,, Infrared spectral imaging detection,, Spatial-temporal-spectral features,, Multi-feature fusion recognition

李娜杨翔宇赵慧洁李曾仁贾国瑞. 基于时空谱特征的智能双分支抗干扰识别模型[J]. 航空学报, doi: 10.7527/S1000-6893.2026.33582.

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主管单位：中国科学技术协会主办单位：中国航空学会北京航空航天大学

基于时空谱特征的智能双分支抗干扰识别模型

Intelligent Dual-Branch Anti-Jamming Recognition Model Based on Spatial-Temporal-Spectral Features

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