| 数字下变频器HSP50214B在软件无线电中的应用 |
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| 引用本文： | 刘洪艳,王石记,司锡才.数字下变频器HSP50214B在软件无线电中的应用[J].应用科技,2004,31(1):7-8. |
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| 作者姓名： | 刘洪艳 王石记 司锡才 |
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| 作者单位： | 哈尔滨工程大学,信息与通信工程学院,黑龙江,哈尔滨,150001 |
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| 摘 要： | 介绍了数字下变频器HSP50214B的内部结构及其在软件无线电中的应用．首先阐述了HSP50214B模块具有的数字混频、滤波、自动增益控制等功能，通过解调AM信号的一个实例，设计了一个DSP与下变频器的电路，并给出了下变频器部分控制字，展示了下变频器在软件无线电中强大的功能和良好的可编程性。
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| 关 键 词： | 软件无线电 数字下变频器 HSP50214B模块 数字信号处理器 电路设计 控制字 |
| 文章编号： | 1009-671X(2004)01-0007-02 |
| 修稿时间： | 2002年10月22 |
Application of digital down converter HSP50214B to software radio |
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| LIU Hong-yan,WANG Shi-ji,SI Xi-cai.Application of digital down converter HSP50214B to software radio[J].Applied Science and Technology,2004,31(1):7-8. |
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| Authors: | LIU Hong-yan WANG Shi-ji SI Xi-cai |
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| Abstract: | The inner architecture of Digital Down Converter HSP50214B and its application to software radio were introduced. At first, the performance of each component, such as NCO, mixing, AGC, was explained. Then an example of demodulation of AM signal and circuit of DSP and DDC was introduced in detail ,and some control words of DDC were given , too . The good function and programming in sortradio of HSP50214B were laid out. |
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| Keywords: | HSP50214B software radio digital down converter demolate AM |
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