G - Physics – 06 – F
Patent
G - Physics
06
F
G06F 7/60 (2006.01) G06F 17/14 (2006.01)
Patent
CA 2044351
Abstract of the Disclosure: In an apparatus for carrying out a linear transform calculation on a product signal produced by multiplying a predetermined transform window function and an apparatus input signal, an FFT part (23) carries out fast Fourier transform on a processed signal produced by processing the product signal in a first processing part (21). As a result, the FFT part produces an internal signal which is representative of a result of the fast Fourier transform. A second processing part (22) processes the internal signal into a transformed signal which represents a result of the linear transform calculation. The apparatus is applicable to either of forward and inverse transform units (11, 12).
Corporation Nec
G. Ronald Bell & Associates
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