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2026

Coherent Integration in JTIDS-Based Passive Bistatic Radar Using Generalized 2-D Sidelobe Suppression Filtering

This article presents a method to enhance target detection performance in joint tactical information distribution system (JTIDS) based passive bistatic radar (PBR) through coherent integration. The frequency-hopping nature of JTIDS signals induces random fluctuations in the range and Doppler phase of target echoes, whi...

Luo Zuo, Ting Sun, Yun-He Cao et al. · 0 citations
2026

SFERA-Net: Spatial–Frequency Evolutionary Relational Awareness Network for Infrared Small Target Detection

Infrared small target detection (IRSTD) remains highly challenging in long-range imaging scenarios due to extremely weak target characteristics and severe background interference. Although recent deep learning-based methods have achieved remarkable progress through hierarchical representation learning, subtle target cu...

Gui-Ping Wu, Lidong Liu, Tao Gao et al. · 0 citations
2026

SFJR-Net: Spatial–Frequency Joint Representation Network for Infrared Small Target Detection

Accurate infrared small target detection (IRSTD) is critical for all-weather perception systems. However, conventional deep networks tend to exhibit low-pass filtering behavior, leading to irreversible attenuation of fragile signatures in small targets. Meanwhile, complex clutter overwhelms discriminative cues, submerg...

Zi-Xiang Liu, Tao Gao, Gui-Ping Wu et al. · 0 citations

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