| 基于CORDIC算法的NCO设计 |
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| 引用本文： | 王中将,王华,张垦.基于CORDIC算法的NCO设计[J].现代电子技术,2005,28(2):117-118. |
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| 作者姓名： | 王中将 王华 张垦 |
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| 作者单位： | 北京理工大学,电子工程系,北京,100081 |
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| 摘 要： | NCO有着广泛的应用。本文从基本的坐标变换公式出发,严谨地推导了CORDIC的原理,简明扼要地阐明了“徽旋转”和“模畸变预矫正”。采用流水线CORDIC单元实现了NCO中的FG部分。并对在具体的FPGA上布局布线之后的数据进行了频谱分析,验证了理论的正确性。
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| 关 键 词： | NCO FG CORDIC 微旋转 模畸变预矫正 流水线 频谱分析 |
| 文章编号： | 1004-373X(2005)02-117-02 |
| 修稿时间： | 2004年8月22日 |
NCO Design Based on CORDIC Algorithm |
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| WANG Zhongjiang,WANG Hua,ZHANG Ken.NCO Design Based on CORDIC Algorithm[J].Modern Electronic Technique,2005,28(2):117-118. |
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| Authors: | WANG Zhongjiang WANG Hua ZHANG Ken |
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| Abstract: | NCO is widely used in many fields Based on the basic coordinate conversion, this paper derives the principle of CORDIC algorithm precisely; "Micro Rotation" and "Scale Precompensating" are described concisely A kind of pipeline CORDIC unit is used to implement the FG of NCO Spectrum analysis of the data which is the simulation results on a specific FPGA chip proves that the theory is valid |
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| Keywords: | NCO FG CORDIC micro rotation scale pre-compensating pipeline spectrum analysis |
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