Study of AM demodulation technology based on CORDIC algorithm

WANG Wei; ZHANG Bin; WU Song

doi:10.13873/j.1000-97872012.02.024

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Study of AM demodulation technology based on CORDIC algorithm

更新时间：2025-09-11

- Study of AM demodulation technology based on CORDIC algorithm
- Vol. 31, Issue 2, Pages: 36-38(2012)
- 作者机构：
  
  空军工程大学电讯工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872012.02.024
  CLC： TN911.3
- Published：2012
- 稿件说明：
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[1]王伟,张斌,吴松.基于CORDIC算法的AM解调技术研究[J].传感器与微系统,2012,31(02):36-38.

WANG Wei, ZHANG Bin, WU Song. Study of AM demodulation technology based on CORDIC algorithm[J]. 2012, 31(2): 36-38.
[1]王伟,张斌,吴松.基于CORDIC算法的AM解调技术研究[J].传感器与微系统,2012,31(02):36-38. DOI： 10.13873/j.1000-97872012.02.024.

WANG Wei, ZHANG Bin, WU Song. Study of AM demodulation technology based on CORDIC algorithm[J]. 2012, 31(2): 36-38. DOI： 10.13873/j.1000-97872012.02.024.

摘要

提出了一种基于CORDIC算法的数字正交AM解调设计技术

讨论了AM解调的原理

重点分析了利用CORDIC算法综合实现数控振荡器与混频器、计算开平方的过程

介绍了关键模块的设计方案

仿真结果表明:该方法高精度地完成了AM解调

具有较高的工程应用价值。

Abstract

A technique of digital quadrature AM demodulation design based on CORDIC algorithm is presented.The principle of AM demodulation is discussed

and the process of combining NCO and frequency mixer together and calculating square root using CORDIC algorithm are analyzed detailedly.The design schemes of key modules are introduced.The simulation results indicate that this method completes AM demodulation with high precision and has great application value in project.

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Keywords

references

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基于CORDIC算法的NCO [J]. 张科峰,彭帅,蔡梦. 现代雷达 . 2008(06)

一种改进的流水线CORDIC算法结构 [J]. 杨宇,毛志刚,来逢昌. 微处理机 . 2006(04)

CORDIC算法在数字下变频中的应用 [J]. 刘奕,曾文海. 电视技术 . 2006(04)

正交解调算法在OFDM信号解调中的应用 [J]. 田丰,程韧. 西安电子科技大学学报 . 2004(04)

MATLAB及其在FPGA中的应用[M]. 国防工业出版社 , 王旭东,潘广桢主编, 2006

通信原理教程[M]. 北京邮电大学出版社 , 达新宇等编著, 2005

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