J. O. Coleman


TITLE:
Equiripple-Stopband Multiplierless FIR Filters by Chebyshev Sharpening of Two-Sample Averaging
AUTHORS:
J. O. Coleman
ABSTRACT:
Odd-length linear-phase prototype FIR filters were recently sharpened with scaled Chebyshev polynomials. Here the approach is extended to even-length prototypes and applied to a two-tap averaging filter, and passband normalization in either case is greatly improved for wide-stopband designs. This paper also presents an alternate sharpened-filter structure suitable for decimation or interpolation filtering or for antenna-array weighting. Either structure can generally be made multiplierless.
ONLINE VERSION:
preprint (372 kbytes)
STATUS:
Accepted for presentation at the 2018 2018 IEEE Int'l Symp. on Circuits and Systems (ISCAS 2018), Florence, Italy, May 27-30, 2018.
DATE OF ENTRY:
February 2018.