A Low-Resolution Scene Deceptive Jamming Method Against Three-Channel SAR GMTI Based on Multiple Jammers

As synthetic aperture radar (SAR) resolution continues to be improved, combined with ground moving target indication (GMTI) technology, it becomes possible to detect moving targets with image features and scattering characteristics more accurately. This poses new challenges for generating deceptive scene jamming methods for false moving targets in terms of detection result similarity and computational complexity. To address these challenges, a low-resolution deceptive scene jamming method is proposed against three-channel SAR GMTI. The approach innovatively constructs a low-resolution deceptive template and optimizes jamming parameters by processing both the low-resolution template and jamming signal. The method successfully calculates all jamming parameters within the template and non- integer pulse separation factors, which are then applied to jammers through time-delay modulation, phase modulation, pulse separation modulation and amplitude modulation. The proposed method significantly reduces the number of false scatter points required for the deceptive scene while maintaining high-quality, realistic false moving targets. Compared to traditional deceptive jamming methods, experimental results demonstrate that the proposed method excels in key evaluation indicators such as cosine similarity, average amplitude modulation coefficient and number of false points. It achieves an optimal balance across all these indicators, making it the most effective and efficient jamming method.