| 通信系统原位检测中的信号源设计 |
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| 引用本文： | 张增,刘玉军,董保良,杨新旺,李林.通信系统原位检测中的信号源设计[J].现代仪器,2009,15(6). |
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| 作者姓名： | 张增 刘玉军 董保良 杨新旺 李林 |
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| 作者单位： | 装甲兵工程学院,北京,100072 |
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| 摘 要： | 文章介绍DDS工作原理和AD9954、 AD9959的特性,论述信号源硬件设计、调频软件设计和性能分析。该信号源具有结构简单、频率分辨率高、功耗低、输出频率信号相位连续、频率转换时间短、调制简单灵活等优点,实现通信系统原位检测的功能需求。
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| 关 键 词： | DDS 信号源 AD9954 AD9959 原位检测 |
Design of signal source of communication system in-situ test |
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| Zhang Zeng,Liu Yujun,Dong Baoliang,Yang Xinwang,Li Lin.Design of signal source of communication system in-situ test[J].Modern Instruments,2009,15(6). |
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| Authors: | Zhang Zeng Liu Yujun Dong Baoliang Yang Xinwang Li Lin |
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| Abstract: | The paper introduces the principle of DDS and the feature of AD9954 and AD9959.The design of hardware and FM software and the analysis of performance are discussed in detail.The test result indicates that this design have many excellence performances,such as high frequency resolution,low power cost,output fre- quency signal continuous and the time of frequency-shift short and modulation simple and flexible.The signal source is to realize the functional demand of in-situ test of communication system. |
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| Keywords: | DDS AD9954 AD9959 |
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