Title :
Improved addition for the logarithmic number system
Author_Institution :
Inst. fuer Uebertragungstech. und Elektroakustik, Tech. Hochschule Darmstadt, West Germany
fDate :
2/1/1989 12:00:00 AM
Abstract :
The logarithmic number system (LNS), which offers a wide dynamic range with an independently choosable signal-to-noise ratio, is discussed. To realize addition, voluminous lookup tables are needed. A method is proposed to reduce the storage requirements of these tables by means of Chebyshev approximation with unequally spaced partition points
Keywords :
Chebyshev approximation; number theory; Chebyshev approximation; improved addition; logarithmic number system; unequally spaced partition points; Chebyshev approximation; Entropy; Interpolation; PROM; Piecewise linear approximation; Piecewise linear techniques; Proposals; Signal to noise ratio; Table lookup; Uncertainty;
Journal_Title :
Acoustics, Speech and Signal Processing, IEEE Transactions on
