Fourier transform apparatus
AssigneeSharp Kabushiki Kaisha
InventorsXiaomang Zhang, Naoyuki Fukuda
Life of this patent
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Abstract
A Fourier transform apparatus includes: a signal generating section for generating a plurality of sine-wave signals and a plurality of cosine-wave signals; a plurality of analog circuits each having a respective circuit parameter corresponding to a respective Fourier coefficient, and each receiving the respective sine-wave signal and the respective cosine-wave signal which are generated by the signal generating section; and an operation section for performing an operation on each of outputs of the respective analog circuits and outputting the resultant respective analog signals.
Claims9
A Fourier transform apparatus, comprising:
- a signal generating section for generating a plurality of sine-wave signals and a plurality of cosine-wave signals;
- a plurality of analog circuits each having a respective circuit parameter corresponding to a respective Fourier coefficient, and each receiving the respective sine-wave signal and the respective cosine-wave signal which are generated by the signal generating section;
- and
- an operation section for performing an operation on each of outputs of the respective analog circuits and outputting the resultant respective analog signals.
Dependencies are inferred from the claim text.