Is there a fixed-point alternative to the fft and ifft fiunction?

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Joshua Ford
Joshua Ford 2021-5-20
回答： Andy Bartlett 2021-6-7
I wish to convert a series of functions from floating-point to fixed-point using the fixed-point converter app in MATLAB. Within the functions are a few fft and ifft functions. These are not compatible with fixed-point types or fi.objects and need to be replaced. Is there a fft function that allows fixed-point types?
If there is not an alternative/replacement. What is the best method to cinduct fft's on fixed-point?

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回答（1 个）

Andy Bartlett
Andy Bartlett 2021-6-7
The FFT provided by DSP System Toolbox as MATLAB callable system object dsp.FFT or as the FFT block support fixed-point data types in MATLAB and in Simulnk.

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