期刊文献+

高速高精度FFTIP核的设计与仿真研究 被引量:3

Design and Simulation Research on High Speed and High Precision FFT IP Core
下载PDF
导出
摘要 设计并实现了基于radix-4和CORDIC算法的流水线结构FFTIP核。利用ModelSim软件进行仿真,分析了系统性能和延时特性,通过与Matlab中FFT函数计算结果对比,对FFT核的计算误差进行了分析。根据仿真测试结果,该IP核运算速度快,精度高,结果准确,具有很强的实用性。 A pipelined FFT IP core using the CORDIC and radix-4 algorithms was designed and implemented.The design was simulated by ModelSim to analyze its system performance and latency characteristics.By comparing the results calculated by Matlab,its errors were analyzed.According to the simulation results,the FFT core is fast and precise,which makes it very practical for various applications.
出处 《系统仿真学报》 CAS CSCD 北大核心 2010年第8期2018-2022,共5页 Journal of System Simulation
基金 天津市科技支撑计划重点项目(08ZCKFGX00500)
关键词 FFT 仿真 CORDIC FPGA IP核 FFT simulation CORDIC FPGA IP core
  • 相关文献

参考文献8

  • 1Uzun I S, Amira A, Ahmed Said A. Towards a general framework for an FPGA-based FFT coprocessor [C]// Proceedings Seventh International Symposium on Signal Processing and Its Applications. Paris, France. USA: IEEE, 2003: 617-620.
  • 2Banerjee Ayan, Sundar Dhar, Anindya, Banerjee Swapna. FPGA realization of a CORDIC based FFT processor for biomedical signal processing [J]. Microprocessors and Microsystems (S0141-9331), 2001, 25(3): 131-142.
  • 3Yeh Wenchang, Jen Cheinwei. High-speed and low power split-radix FFT [J]. IEEE Trans Signal Processing (S1053-587X), 2003, 51(3): 864-874.
  • 4Pcrez-Pascual. FPGA-based Radix-4 Butterflies for Hipeflan/2 [C]// IEEE International Symposium on Circuits and Systems, Valencia Spain, 2002. USA: IEEE, 2002: 277-280.
  • 5JACK E VOLDER. The CORDIC Trigonometric Computing Technique [J]. IRE Trans. Electronic Computing (S0367-7508), 1959, EC-8 Issue 3: 330-334.
  • 6Chang Yun-Nan, Parhi K K. An efficient pipelined FFT architecture [J]. IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing (S1057-7130), 2003, 50(6): 322-325.
  • 7Fusheng Zhang, Zhonxing Geng, Wei Yuan. The Algorithm of Interpolating Windowed FFT for Harmonic Analysis of Electric Power System [J]. IEEE Trans on Power Delivery (S0885-8977), 2001, 16(2): 160-164.
  • 8M Bekooij, J Huisken. Numerical Accuracy of Fast Fourier Transforms with CORDIC Arithmetic [J]. Journal of VLSl Signal Processing (S0922-5773), 2000, 25(2): 187-193.

同被引文献24

引证文献3

二级引证文献6

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部