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- W2128380657 abstract "Different from conventional phased-array, which provides only angle-dependent beampattern, frequency diverse array (FDA) employs a small frequency increment across the antenna elements and results in a range-angle-dependent beampattern. This beampattern offers a potential to localize the targets in two dimensions in terms of slant ranges and azimuth angles. However, it is difficult to obtain the target location information from a standard FDA radar due to the couplings in range and angle responses. In this paper, we propose a transmit subaperturing scheme on the FDA radar for range and angle estimation of targets. The essence is to divide the FDA elements into multiple subarrays and optimize the transmit beamspace matrix with the use of convex optimization. We also discuss several practical issues for designing the FDA radar system parameters. Since the subarrays offer decoupled range and angle responses, the targets can be located using the beamspace-based multiple signal classification algorithm. The range and angle estimation performance is evaluated by comparing with the Cramér-Rao lower bound." @default.
- W2128380657 created "2016-06-24" @default.
- W2128380657 creator A5049463786 @default.
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- W2128380657 date "2014-04-01" @default.
- W2128380657 modified "2023-10-02" @default.
- W2128380657 title "Transmit Subaperturing for Range and Angle Estimation in Frequency Diverse Array Radar" @default.
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- W2128380657 doi "https://doi.org/10.1109/tsp.2014.2305638" @default.
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