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Big-point Number FFT Implementation Based on ADSP21161
Author(s): 
Pages: 51-53
Year: Issue:  6
Journal: ELECTRONIC ENGINEER

Keyword:  FFTADSP2161直接存储器存取;
Abstract: 介绍了数字信号处理器ADSP21161的主要特点,在此基础上实现了大点数FFT的运算.FFT运算是信号处理的重要内容,在工程实践中有广泛的应用.分析了FFT运算的存储量,在DSP片内资源有限的情况下,根据FFT运算的特点,混合利用按时间抽取和按频率抽取方法,解决了大点数FFT的实现问题.
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