| 基于DDS技术的双通道信号发生器设计研究 |
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| 引用本文： | 孙怀东.基于DDS技术的双通道信号发生器设计研究[J].内蒙古环境科学,2009(3). |
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| 作者姓名： | 孙怀东 |
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| 作者单位： | 三明学院物理与机电工程系 |
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| 摘 要： | 为了调节两路相同频率正弦信号之间的相位差,采用DDS技术设计了相位关系可调的双通道信号发生器.该信号发生器的输出频率范围为0H z-150MH z,频率分辨率为1μH z,相位调节范围为0°~360°,分辨率为0.022°.它不仅可输出两路相同频率、相位差可调的正弦信号,而且可分别作为两路独立的可调频、调幅、调相的信号发生器使用.
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| 关 键 词： | DDS 信号发生器 相位差 |
Study on Design of Dual-channel Signal Generator Based on DDS |
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| SUN Huai-dong.Study on Design of Dual-channel Signal Generator Based on DDS[J].Inner Mongolia Environmental Protection,2009(3). |
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| Authors: | SUN Huai-dong |
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| Institution: | SUN Huai-dong (Department of Physics and Electrical Engineering; Sanming College; Sanming 365004; China); |
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| Abstract: | In order to adjust the phase difference between the two sinusoidal signals of the same frequency,the paper designs the adjustable dual-channel signal generator based on DDS.The signal generator s output frequency range,frequency resolution,phase adjustment range and resolution is 0Hz～150MHz,1μHz,0°～360°and 0.022° respectively.It can not only produce two identical frequencies,adjustable phase sinusoidal signal,but also be used as two independent FM,amplitude modulation,phase modulation signal generator. |
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| Keywords: | DDS signal generator phase difference |
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