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Mirrored aperture synthesis (MAS) can improve spatial resolution compared with conventional aperture synthesis (AS). In this paper, for 1D MAS and 2D MAS, the array optimization models with the autocorrelation are established. The optimal array configurations based on the models are presented. The simulation results demonstrate that the optimal array configurations have good performance in imaging...
An accurate geolocation of the radio frequency interference (RFI) sources is significant to effectively switch off illegal transmitters. In this study, utilizing the sparse property of RFI in the observed scene, a super-resolution RFI localization method based on compressive sensing is presented in synthetic aperture interferometric radiometer (SAIR). Numerical results show the presented method can...
Aperture synthesis technique can provide high spatial resolution without requiring very large and massive real aperture. However, large aperture synthesis systems are very complicated. In this paper, Rotating Mirrored Aperture Synthesis (RMAS) is proposed, which combines rotating and mirrored aperture synthesis to improve spatial resolution with fewer antennas. The principle of RMAS is presented....
In order to quantitatively interpret topographic effect on Chang'E (CE) microwave data, a detailed method to compute brightness temperature (TB) over a lunar crater is proposed, which incorporated the effect of surface tilts. The method improves the effective solar irradiance model of the lunar surface to obtain the temperature profile of the lunar crater. The calculated TB at 37 GHz with the proposed...
For the multi-spectral and panchromatic image on the same scene, the second fusion algorithm by a trous-curvelet transform is constructed. Above all, the first fusion image can be acquired by using the panchromatic image to substitute the intensity component of the multi-spectral image. Then the non-negative matrix factorization (NMF) is carried out between the first fusion image and the original...
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