Title :
Reduce the complexity of frequency-response masking filter using multiplication free filter
Author :
Yang, Chun Zhu ; Lian, Yong
Author_Institution :
Dept. of Electr. & Comput. Eng., Nat. Univ. of Singapore, Singapore
Abstract :
A modified frequency-response masking (FRM) approach is presented for the design of arbitrary bandwidth sharp FIR filters. The new filter achieves significant savings in the number of arithmetic operations by replacing the band-edge shaping filter in the FRM technique with a modified interpolated finite impulse response (IFIR) filter. Our example shows that the proposed one-stage FRM filter outperforms an original two-stage FRM filter in terms of the number of multipliers and group delay.
Keywords :
FIR filters; circuit complexity; frequency response; interpolation; linear phase filters; low-pass filters; arbitrary bandwidth sharp FIR filters; complexity reduction; frequency-response masking filter; group delay; lowpass filter; modified frequency-response masking approach; modified interpolated finite impulse response filter; multiplication free filter; number of arithmetic operations; number of multipliers; one-stage FRM filter; Application specific integrated circuits; Arithmetic; Bandwidth; Delay; Energy consumption; Finite impulse response filter; Frequency; Passband; Transfer functions; Vectors;
Conference_Titel :
Circuits and Systems, 2003. ISCAS '03. Proceedings of the 2003 International Symposium on
Print_ISBN :
0-7803-7761-3
DOI :
10.1109/ISCAS.2003.1205803
