Variable wordlengths in filters with least-squares error criterion

Electronics Letters

Volumn 33, Issue 3, 1997, Pages 201-202

  Dempster, A G ^a   Macleod, M D ^b  

^a UNIVERSITY OF WESTMINSTER   (United Kingdom)

^b UNIVERSITY OF CAMBRIDGE   (United Kingdom)

Author keywords

Digital filters; IIR filters; Least squares approximations

Indexed keywords

ALGORITHMS; COMPUTATIONAL COMPLEXITY; ERRORS; LEAST SQUARES APPROXIMATIONS; LOW PASS FILTERS; OPTIMIZATION; RANDOM PROCESSES;

CROCHIERE STATISTICAL WORDLENGTH METHOD; LEAST SQUARES ERROR CRITERION; OBJECTIVE FUNCTION;

DIGITAL FILTERS;

EID: 0030780618     PISSN: 00135194     EISSN: None     Source Type: Journal    
DOI: 10.1049/el:19970159     Document Type: Article

References (7)

1. DEMPSTER, A.G., and MACLEOD, MD.: 'Variable statistical wordlength in digital filters'. IEE Proc. Vision, Image Sig. Process., 1996, 143, (1), pp. 62-66
2. DEMPSTER, A.G., and MACLEOD, M.D.: 'Use of minimum-adder multiplier blocks in FIR digital filters', IEEE Trans. Circuits Syst. II, 1995, 42, (9), pp. 569-577
3. DEMPSTER, A.G., and MACLEOD, M.D.: 'Comparison of IIR filter structure complexities using multiplier blocks'. Proc. Int. Symp. on Circuits and systems (ISCAS95), 1995, Vol. 2, pp. 858-861
4. CHARALAMBOUS, C., and BEST, M.J.: 'Optimization of recursive digital filters with finite word lengths', IEEE Trans. ASSP, 1974, 22, (6), pp. 424-431
5. CROCHIERE, R.E.: 'A new statistical approach to the coefficient wordlength problem for digital filters', IEEE Trans. Circuits Syst., 1974, 22, pp. 190-196
6. DEMPSTER, A.G: 'Digital filter design for low-complexity implementation'. PhD Thesis, Cambridge University, June 1995
7. DEMPSTER, A.G., and MACLEOD, M.D.: 'Constant integer multiplication using minimum adders', IEE Proc. Circuits, Devices Syst., 1994, 141, (5), pp. 407-413