An Efficient FPGA Implementation for 2-D MUSIC Algorithm
An Efficient FPGA Implementation for 2-D MUSIC Algorithm
复制标题
二维音乐算法的高效 FPGA 实现
DOI:
10.1007/s00034-015-0144-z
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发表时间:
2015-08
影响因子:
2.3
通讯作者:
Wang Zhongfeng
中科院分区:
文献类型:
--
作者:
Huang Kai;Sha Jin;Shi Wei;Wang Zhongfeng
Multiple signal classification (MUSIC) algorithm is widely used in measuring the direction of arrival. In VLSI implementation of a two-dimensional MUSIC algorithm, the two primary modules, eigenvalue decomposition and spatial spectrum search, generally consume a significant hardware and cause long processing delay. Two novel design techniques: serial rotation angle broadcasting and multi-scale peak searching are introduced in this paper to mitigate these problems. An FPGA implementation is presented to demonstrate the efficiency of the proposed techniques. It only takes 1 ms for one set of 2-D direction estimation, and the deviations in elevation angle and azimuthal angle are both less than. The whole design is implemented in Xilinx’s Virtex-6 LX130T, which consumes about 60 % of the total resources of a single device.
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