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The theory of compressed sensing (CS) indicates that the optimal reconstruction of an unknown ISAR signal with intrinsical sparsity can be achieved by solving a sparsity-driven optimization problem. Due to this property, a novel method to construct sparse basis is presented for ISAR image generation. We utilize discrete chirp fourier transform (dcft) and CLEAN to decompose the signal of interest into...
Range cell migration (RCM) correction is a key procedure in dim maneuvering target detection. Keystone transform (KT) has been employed to correct linear RCM of moving target. In this paper, we take the nonlinear RCM caused by radial acceleration into consideration and extend the original KT. Thus, a novel method based on extended KT (EKT) for maneuvering target detection is proposed. After EKT processing,...
The intrinsic sparsity of the ISAR signal provides a foundation to apply compressed sensing (CS) to reconstruct highresolution ISAR imagery. In this paper, a novel two-dimensional CS-based approach is presented for ISAR image generation. It is denoted that through CS technique, the data rate has been reduced in both range and azimuth to obtain high-resolution ISAR image. The proposed method can get...
Ammonium cerium phosphate was prepared with (NH4)3PO4·3H2O and Ce(SO4)2·4H2O as raw materials and PEG‐400 as surfactant via a solid state reaction at low‐heating temperature. The characterization result of XRD indicates that the molecular formula of the product was (NH4)2Ce(PO4)2·H2O. The synthesis of benzyl acetate was carried out with H2SO4/ammonium cerium phosphate as catalyst, and uniform experimental...
A simple and novel route was provided for the preparation of the hexagonal Co(II)‐substituted sodium zincophosphate (CoZnPO‐HEX), which was obtained with ZnSO4·7H2O, CoCl2·6H2O and Na3PO4·12H2O as raw materials and polyethylene glycol‐400 (PEG‐400) as a surfactant via a one‐step solid‐state reaction at low heating temperature (60°C), and characterized with X‐ray diffraction (XRD), fourier transform...
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