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A new ordering method for FIR filters based on finite word length effect on moments of impulse response

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2 Author(s)
Khare, A. ; Dept. of Electr. Eng., Nagaoka Univ. of Technol., Niigata, Japan ; Yoshikawa, T.

The effect of the finite word length on the moment of the impulse response of a digital filter is investigated. It is shown that the quantization error in the moment values is almost linear with a slope of 3 dB/b and is well related to the output roundoff noise. An algorithm is also proposed to order the cascade sections of a finite impulse response (FIR) filter with low output roundoff noise

Published in:

TENCON '92. ''Technology Enabling Tomorrow : Computers, Communications and Automation towards the 21st Century.' 1992 IEEE Region 10 International Conference.

Date of Conference:

11-13 Nov 1992