An FFT operation is performed by dividing n time-domain input points into a plurality of groups of m points, performing a plurality of constant-geometry butterfly operations on each of the groups of m points, and finally performing at least one in-place butterfly operation on the group of n points.
申请公布号
EP2778948(A3)
申请公布日期
2015.01.21
申请号
EP20140158354
申请日期
2014.03.07
申请人
ANALOG DEVICES, INC.
发明人
PAN, GUOLIN;COX, STEVEN;WU, JIANG;YANG, NING;LERNER, BORIS;MILLER, DAVID