| 用DSP56001实现1024点基2位反转算法FFT |
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| 引用本文： | 张棣,张健.用DSP56001实现1024点基2位反转算法FFT[J].信息技术,2004,28(6):25-27. |
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| 作者姓名： | 张棣 张健 |
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| 作者单位： | 1. 黑龙江省信用信息中心,哈尔滨,150001
2. 深圳广播电视大学,深圳,518001 |
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| 摘 要： | 随着数字信号处理技术的发展,开发应用高速DSP处理器芯片进一步提高运算处理速度是主要的发展方向。介绍了用DSP56001数字信号处理器芯片以及位反转算法实现24位定点字长1024点基2DITFFT的技术细节,经实测可在5.6ms内完成,这一处理速度在同类DSP处理器中是令人瞩目的。
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| 关 键 词： | DSP 位反转算法 FFT |
| 文章编号： | 1009-2552(2004)06-0025-03 |
| 修稿时间： | 2004年5月8日 |
A bit- reversed arithmetic for performing 1024 points FFT with DSPoints FFT with DSP56001 |
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| ZHANG Di,ZHANG Jian.A bit- reversed arithmetic for performing 1024 points FFT with DSPoints FFT with DSP56001[J].Information Technology,2004,28(6):25-27. |
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| Authors: | ZHANG Di ZHANG Jian |
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| Affiliation: | ZHANG Di~1,ZHANG Jian~2 |
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| Abstract: | As the digital signal processors are developed, the processing rate of DSP application becomes more and more important. This paper describes the details of DSP56001's addressing modes and it's modifiers, which allow the DSP address ALU to support 3 types of arithmetic, that are linear arithmetic, modulo arithmetic, especially bit-reversed arithmetic used for performing 1024 Points FFT can finish processing procedure within 5.6ms. |
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| Keywords: | DSP bit-reversed arithmetic FFT |
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