通用零中频构架的CPM射频调制系统的设计

陈长龙; 王竹刚

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通用零中频构架的CPM射频调制系统的设计

更新时间：2026-09-04

- 通用零中频构架的CPM射频调制系统的设计
- A CPM RF modulation system design based on a general zero intermediate frequency architecture
- 微电子学与计算机 2020年37卷第12期页码：12-16
- 作者机构：
  
  1. 中国科学院机构国家空间科学中心,北京,100190
  2. 中国科学院大学机构,北京,101408
- 作者简介：
- 基金信息：
  
  中国科学院战略性先导科技专项 XDA15350103
- DOI：
  中图分类号：
- 纸质出版：2020
- 稿件说明：
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陈长龙, 王竹刚. 通用零中频构架的CPM射频调制系统的设计[J]. 微电子学与计算机, 2020, 37(12): 12-16.

CHEN Chang-long, WANG Zhu-gang. A CPM RF modulation system design based on a general zero intermediate frequency architecture[J]. 2020, 37(12): 12-16.
陈长龙, 王竹刚. 通用零中频构架的CPM射频调制系统的设计[J]. 微电子学与计算机, 2020, 37(12): 12-16. DOI：

CHEN Chang-long, WANG Zhu-gang. A CPM RF modulation system design based on a general zero intermediate frequency architecture[J]. 2020, 37(12): 12-16. DOI：

摘要

连续相位调制(CPM)由于其高频谱效率而被广泛应用于数字通信系统.根据调制参数的不同，连续相位调制对应一大类调制方式.针对射频调制系统实现复杂，可移植性差的问题，设计了一种基于AD9364射频捷变收发器的通用CPM射频调制系统.首先根据CPM信号表达式完成基带信号调制设计，包括累加相位单元和相关相位单元；再通过AD9364直接上变频，完成包括插值滤波、频谱搬移等一系列转换过程.最后经测试验证，所设计的CPM射频调制系统频谱利用率高，复杂度低，且具有较好的通用性.

Abstract

Continuous phase modulation(CPM) is widely used in digital communication systems due to its high spectral efficiency. According to the different modulation parameters

continuous phase modulation corresponds to a large class of modulation methods. A general CPM RF modulation system based on AD9364 RF transceiver chip was designed to solve the problems of complexity-implementation and poor portability. Firstly

the modulation design of baseband signal is completed according to CPM signal expression

including accumulated phase unit and related phase unit. Then

a series of conversion processes including interpolation filter and spectrum shift are completed through AD9364 direct up-conversion. Finally

test result shows that the CPM RF modulation system has high spectrum utilization

low complexity and good generality.

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references

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