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Limited echoes and large Doppler bandwidth in a low PRF radar system is a challenging problem for rapidly spinning targets imaging. To simultaneously improve the efficiency and accuracy when imaging the spinning targets, this paper proposes a novel fast sequential orthogonal matching pursuit algorithm with threshold (FSOMP-T). Firstly, the complexity is reduced by decreasing total iteration numbers...
To recover the jointly sparse signal efficiently, a fast multiple orthogonal matching pursuit algorithm (FMOMP) is proposed in the paper. By choosing multiple indices per iteration, the FMOMP converges much faster and improves the computational efficiency over the existing OMPMMV algorithm. We also prove that FMOMP performs the exact recovery of any K row jointly sparse signal from the aspect of sensing...
To analyze the radiological and clinicopathological features of peripheral primitive neuroectodermal tumor (pPNET).We retrospectively reviewed the computed tomography (CT) and magnetic resonance (MR) imaging of 14 cases of pPNET confirmed immunohistochemically. Relevant clinical data was also obtained.Of 14 cases, there were 10 male and 4 female with a mean age of 28 years. The main symptoms were...
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