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Implementing Efficient Split-Radix FFTs in FPGAs Radix-2 and Radix-4 FFTs are common Many applications benefit from other lengths OFDM Transceiver, Digital Video Broadcasts, and software defined radios often require FFTs that aren’t a radix-2 or radix-4 length Split-radix simplifies the logic for these applications Common Split-radix algorithms are Cooley-Tukey, Kolbe- Parks, and Good-Thomas
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