Mimo radar imaging model and algorithm |
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| Authors: | Huaijun Wang Wentai Lei Chunlin Huang Yi Su |
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| Affiliation: | 1. School of Electronic Science and Engineering,National University of Defense Technology,Changsha 410073,China
2. School of Info-Physics and Geomatics Engineering,Central South University,Changsha 410073,China |
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| Abstract: | Based on the array architecture of multiple transmitting/receiving antennas, Multi-Input Multi-Output (MIMO) radar provides a new mechanism for radar imaging technology. In order to explore the processing approach to this imaging mechanism, the two dimensional (2D) imaging model of MIMO radar is established first, and the spatial sampling ability is analyzed from the concept of spatial convolution of the antenna elements. The target spatial spectral filling format of MIMO radar with monochromatic transmitting signal is described. High-resolution imaging capability of MIMO radar is analyzed according to spatial spectral coverage and the corresponding imaging algorithm is presented. Finally, field imaging experiment is used to demonstrate the superior imaging performance of MIMO radar. |
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| Keywords: | Multi-Input Multi-Output (MIMO) radar Radar imaging Spatial sampling |
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