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DSP Builder 15.1 : Parallel Floating-Point FFT

Honored Contributor II

the DSP Builder Advanced Blockset's Handbook mentioned an example of FFT known as "parallel floating-point fft" and has as a model file " demo_parallel_fpfft.mdl


and a second one named variable-size floating-point fft, its model file is demo_fpvfft.mdl. 


Could anyone give me an explanation of what these designs examples demonstrate ?
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