Title :
The Sign/Logarithm Number System
Author :
Swartzlander, Earl E., Jr. ; Alexopoulos, Aristides G.
Author_Institution :
TRW Systems
Abstract :
A signed logarithmic number system, which is capable of representing negative as well as positive numbers is described. A number is represented in the sign/logarithm number system by a sign bit and the logarithm of the absolute value of the number (scaled to avoid negative logarithms).
Keywords :
Computer arithmetic units, logarithmic addition, logarithmic arithmetic, logarithmic subtraction, number systems.; Aircraft; Complexity theory; Digital arithmetic; Digital filters; Digital images; Pattern recognition; Radar applications; Radar imaging; Speech enhancement; Speech processing; Computer arithmetic units, logarithmic addition, logarithmic arithmetic, logarithmic subtraction, number systems.;
Journal_Title :
Computers, IEEE Transactions on
DOI :
10.1109/T-C.1975.224172