| 基于DDS的宽带信号发生器 |
| |
| 引用本文： | 徐媛媛.基于DDS的宽带信号发生器[J].技术与市场,2009(9):14-15. |
| |
| 作者姓名： | 徐媛媛 |
| |
| 作者单位： | 西南石油大学计算机科学学院; |
| |
| 摘 要： | DDS(直接数字频率合成)作为一种新的频率合成技术,已经广泛应用于雷达信号的产生等领域。由于DDS采用了不同于传统频率合成方法的全数字结构,因而具备许多直接式频率合成技术和间接式频率合成技术所不具备的优点,例如具有极高的频率分辨率和极短的频率转换时间等。但是由于DDS本身固有的相位截断技术,会造成一定的杂散。因此,采用MATLAB仿真的方法对DDS的输出性能进行改善。
|
| 关 键 词： | MATLAB DDS 频率合成 |
A WideBand Signal Producer Based on DDS |
| |
| Xu Yuanyuan School of Computer Science,Southwest Petroleum University,China,chengdu.A WideBand Signal Producer Based on DDS[J].Technology & Market(Landscape Engineer),2009(9):14-15. |
| |
| Authors: | Xu Yuanyuan School of Computer Science Southwest Petroleum University China chengdu |
| |
| Institution: | Xu Yuanyuan School of Computer Science,Southwest Petroleum University,China,610500,chengdu |
| |
| Abstract: | DDS,s a newfrequency synthesis technology,as been used widely in generating radar signal.Because of the full digital structure,different from traditional methods,DDS has many merits,such as high resolution and short frequency-conver-sion time,which direct and indirect frequency synthesis don't own.But the phase truncation is an inherent property of DDS and will produce some errors.So simulation in Matlab can improve the output performance of DDS |
| |
| Keywords: | matlab dds frequency synthesizer |
| 本文献已被 CNKI 维普 等数据库收录！ |
|
