Fractional fourier transform convolver arrangement

Details Fractional fourier transform convolver arrangement Fractional fourier transform convolver arrangement

2003-12-24

2009-06-02

Bullock, Jr., Lewis A (Department: 2193)

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

C708S404000

Reexamination Certificate

active

07543009

ABSTRACT:
An M-point Fractional Fourier is described using several 2M-points traditional Fourier transforms. The signal path is fed through a series of blocks including a first multiplier, a zero pad, an FFT, a second multiplier, an IFFT, a first half element, and a third multiplier. The first and third multipliers have as their other inputs a value exp(−jΠn2α) for n=0:M−1, derived from the clock offset signal represented by α.

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