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The two-dimensional complex LMS algorithm applied to the 2D DFT

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2 Author(s)
Liu, B. ; Dept. of Electr. & Comput. Eng., Calgary Univ., Alta., Canada ; Bruton, L.T.

The one-dimensional (1D) least-mean-square LMS spectrum analyzer, as proposed by Widrow, is extended to the two-dimensional (2D) case. The relationship between the 2D discrete Fourier transform (DFT) and the 2D LMS algorithm is established and employed to recursively compute a 2D LMS spectrum, of the 2D DFT, by proper choice of the LMS adaptation step μ

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Circuits and Systems II: Analog and Digital Signal Processing, IEEE Transactions on  (Volume:40 ,  Issue: 5 )