| 带通采样在数字多通道中频接收机中的应用 |
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| 引用本文： | 谭飞,姚远程,杨春,王江. 带通采样在数字多通道中频接收机中的应用[J]. 通信技术, 2010, 43(4): 1-3 |
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| 作者姓名： | 谭飞 姚远程 杨春 王江 |
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| 作者单位： | 1. 两南科技大学信息工程学院,四川,绵阳,621010
2. 中国工程物理研究院电子工程研究所,四川,绵阳,621900 |
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| 基金项目： | 国家自然科学基金项目;项目名称:基于软件无线电的中频数字化接收机技术研究 |
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| 摘 要： | 论述了带通信号采样定理,在对带通采样后的频谱结构做了详细分析的基础上,提出中频频率、采样频率的选取方法。将带通欠采样技术运用到软件无线电中频接收机设计中,并给出了带通采样定理在的不同条件下Matlab仿真的结果,验证了带通采样技术在宽带数字多通道、多速率、多模式软件无线电中频接收机设计中的可行性和实用性,在工程应用中具有较大的参考意义。
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| 关 键 词： | 软件无线电 带通采样 采样速率 数字中频接收机 多通道 |
Bandpass Sampling and Its Application in Broad-band Digital Multi-Channel IF Receiver |
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| TAN-Fei,YAO Yuan-cheng,YANG-Chun,WANG-Jiang. Bandpass Sampling and Its Application in Broad-band Digital Multi-Channel IF Receiver[J]. Communications Technology, 2010, 43(4): 1-3 |
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| Authors: | TAN-Fei YAO Yuan-cheng YANG-Chun WANG-Jiang |
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| Affiliation: | TAN-Fei,YAO Yuan-cheng,YANG-Chun,WANG-Jiang (School of Information Engineering,Southwest University of Science , Technology,Mianyang,Sichuan 621010,China,Institute of Electronic Engineering,China Academy of Engineering Physics,Sichuan 621900,China) |
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| Abstract: | This paper discusses the sampling theory of bandpass signal,analyzes the configuration of frequency spectrum and proposes a method for IF frequency and sampling frequency selection.The bandpass sampling technology is applied to the design of software radio IF receiver,the simulation results by MATLAB are given,and its feasibility and practicality in design of broadband digital multi-channel,multi-speed and multi-mode software radio receiver is verified.This is of fairly great reference value in the engineer... |
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| Keywords: | software radio bandpass sampling sampling rate digital IF receiver multi-channel |
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