Research of Modified CORDIC Algorithm Based on Rotation Mode

ZHANG Tian-yu

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Research of Modified CORDIC Algorithm Based on Rotation Mode

更新时间：2026-09-04

- Research of Modified CORDIC Algorithm Based on Rotation Mode
- Vol. 27, Issue 3, Pages: 93-97(2010)
- 作者机构：
  
  无锡市广播电视大学机电工程系,江苏,无锡,214011
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2010
- 稿件说明：
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张天瑜. 基于旋转模式的改进型CORDIC算法研究[J]. 微电子学与计算机, 2010, 27(3): 93-97.

ZHANG Tian-yu. Research of Modified CORDIC Algorithm Based on Rotation Mode[J]. 2010, 27(3): 93-97.
张天瑜. 基于旋转模式的改进型CORDIC算法研究[J]. 微电子学与计算机, 2010, 27(3): 93-97. DOI：

ZHANG Tian-yu. Research of Modified CORDIC Algorithm Based on Rotation Mode[J]. 2010, 27(3): 93-97. DOI：

摘要

针对CORDIC算法的缺陷

在旋转模式下提出一种改进型CORDIC算法

它不需要查找表和模校正因子

只需通过简单的移位和加减运算就能实现多种超越函数的计算

从而能够减少硬件的开销

提高运算的性能

并通过重复迭代和区域变换使得该算法能够适用于所有的旋转角度.误差分析表明该算法具有很小的误差.

Abstract

According to the defects of CORDIC algorithm

a modified CORDIC algorithm is proposed in rotation mode.It neednt look-up table and scale factor correction and can realize the calculation of many transcendental functions only by simple shift and addition-subtraction operation

which can reduce the cost of hardware and improve operational performance.The proposed algorithm is suitable for all the rotation angles by repeated iteration and domain transformation.The error analysis shows that the error of the proposed algorithm is very small.

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