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<p><b>Abstract</b>—In this paper, we analyze some of the main properties of a double base number system, using bases 2 and 3; in particular, we emphasize the sparseness of the representation. A simple geometric interpretation allows an efficient implementation of the basic arithmetic operations and we introduce an index calculus for logarithmic-like arithmetic with considerable hardware reductions in look-up table size. We discuss the application of this number system in the area of digital signal processing; we illustrate the discussion with examples of finite impulse response filtering.</p>
Double-base number system, index calculus, digital signal processing, FIR filters.

V. S. Dimitrov, W. C. Miller and G. A. Jullien, "Theory and Applications of the Double-Base Number System," in IEEE Transactions on Computers, vol. 48, no. , pp. 1098-1106, 1999.
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