Sparse narrowband radar imaging for spinning targets with occlusion effect

摘要: The occlusion effect of targets with the spinning motion is usually ubiquitous when illuminated by radar. Considering this in Doppler imaging for practical significance. In paper, we develop a novel approach to image effect, which referred as fused Lasso based Doppler-only snapshot (FLDOSI). Due motion, radar illuminates different parts target at each observation instant, causes backscattering intensities scatterers are slowly time-varying. two-dimensional (2D) fused-Lasso model introduced capture time-varying characteristic and convex programming employed solve model. Finally, experiments carried out validate performance proposed method.