| 基于FPGA高精度浮点运算器的FFT设计与仿真 |
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| 引用本文： | 张雪姣,伍萍辉.基于FPGA高精度浮点运算器的FFT设计与仿真[J].电子科技,2011,24(12):88-90. |
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| 作者姓名： | 张雪姣 伍萍辉 |
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| 作者单位： | (河北工业大学 信息工程学院,天津 300401) |
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| 摘 要： | 基于IEEE浮点表示格式及FFT算法,提出一种基2FFT的FPGA方法,完成了基于FPGA高精度浮点运算器的FFT的设计。利用VHDL语言描述了蝶形运算过程及地址产生单元,其仿真波形基本能正确的表示输出结果
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| 关 键 词： | 快速傅里叶变换 浮点 蝶形运算 VHDL |
Design and Simulation of the FFT for the FPGA-Based High-precision Floating Point Unit |
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| ZHANG Xuejiao,WU Pinghui.Design and Simulation of the FFT for the FPGA-Based High-precision Floating Point Unit[J].Electronic Science and Technology,2011,24(12):88-90. |
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| Authors: | ZHANG Xuejiao WU Pinghui |
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| Affiliation: | (College of Information Engineering,Hebei University of Technology,Tianjin 300401,China) |
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| Abstract: | Based on the IEEE floating point format and the FFT algorithm,this paper puts forward a 2FFT-based method based on FPGA.It completes the FFT design for the FPGA-based high-precision floating point unit.It describes the butterfly process and address generation unit processes by using VHDL.The simulation waveform can basically shows the output results correctly |
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| Keywords: | FFr floating point butterfly process VHDL |
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