| 基于FPGA的高速FFT算法实现 |
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| 引用本文： | 鲍庆龙,刘平.基于FPGA的高速FFT算法实现[J].微处理机,2007,28(2):16-19. |
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| 作者姓名： | 鲍庆龙 刘平 |
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| 作者单位： | 国防科技大学ATR国家重点实验室,长沙,410073 |
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| 摘 要： | 在EW型接收机的高速数字处理中,运算速度是影响系统性能的重要环节之一。结合系统的研制,利用FPGA资源丰富、易于实现并行流水的特点,设计实现了满足系统要求的专用FFT处理单元;对定点运算的精度做了比较详细的分析,并给出了一个切实可行的FPGA实现方案。
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| 关 键 词： | 快速傅立叶变换(FFT) 蝶式运算 |
| 文章编号： | 1002-2279（2007）02-0016-04 |
| 修稿时间： | 2005-04-15 |
The Realization of High- Speed FFT Based on FPGA |
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| BAO Qing-long,LIU Ping.The Realization of High- Speed FFT Based on FPGA[J].Microprocessors,2007,28(2):16-19. |
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| Authors: | BAO Qing-long LIU Ping |
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| Affiliation: | ATR Lab ,National Univ. of Defense Technology, Changsha 410073, China |
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| Abstract: | The Speed plays the most crucial part in the high-speed digital processing in the EW receiver.In this paper,first,a parallel FFT core was realized by taking advantage of abundance of FPGA resources and easy realization of parallel processing;second,a precesion analysis of fixed-point calculation is provide.Finally,a plan of FPGA realization is presented. |
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| Keywords: | FPGA |
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