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Fft dft - PowerPoint PPT Presentation

1.DFT ????????????????? 2.1965 ?? Cooley, Tukey? ?????????????? ?

??. 1.DFT ????????????????? 2.1965 ?? Cooley, Tukey? ?????????????? ? 3. ???????? DFT ???????? 1 ? 2 ???? 4. ??????? 2FFT ???. ? 4 ?????. 1. ????????? -2FFT ??????????????????????? 2. ????????? -2FFT ??????????????????????? 3. ?? IFFT ??. ? 4 ? ??????? (FFT). 4.1 ?? 4.2 ? 2FFT ??

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1.38k views • 100 slides

ECE 734: Project Presentation

ECE 734: Project Presentation. 64-point FFT Algorithm for OFDM Applications using 8-point DFT processor (radix-8). Pankhuri May 8, 2013. Fast Fourier Transform. Uses symmetry and periodicity properties of DFT to lower computation 64-point DFT computes a sequence X(f),

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248 views • 13 slides

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Fft dft - PowerPoint PPT Presentation

1.DFT ????????????????? 2.1965 ?? Cooley, Tukey? ?????????????? ?

ECE 734: Project Presentation