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Efficient signed-digit-to-canonical-signed-digit recoding circuits

机译:高效的有符号数到标准有符号数的编码电路

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摘要

In this study, we propose a new signed-digit-to-canonical-signed-digit recoding circuit based on parallel prefix structures. Several articles have been devoted to the study of canonical signed-digit recoding circuits. However, most of those re-code from 2's complement binary number representation. Unlike those, our proposed architectures convert from signed-digit number representation. The circuit structure is somewhat different from those in previous articles, because each digit in the input is accompanied by its sign. We evaluate the proposed circuit and compare it with a circuit based on the conditional sum structure. We show that the proposed architectures performs faster by 30% or more than the circuit based on the conditional sum structure.
机译:在这项研究中,我们提出了一种基于并行前缀结构的新的符号数字到规范符号数字重新编码电路。已经有几篇文章专门研究规范的有符号数字记录电路。但是,大多数此类代码都是从2的补码二进制数字表示形式重新编码的。不同于那些,我们提出的体系结构从带符号的数字表示形式转换。电路结构与以前的文章有所不同,因为输入中的每个数字都带有其符号。我们评估提出的电路,并将其与基于条件和结构的电路进行比较。我们表明,所提出的体系结构比基于条件和结构的电路执行速度快30%或更多。

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