| 基于FPGA的高准确度数字频率信号源设计 |
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| 引用本文： | 郭剑,史彦斌,谢松云.基于FPGA的高准确度数字频率信号源设计[J].宇航计测技术,2006,26(4):64-67. |
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| 作者姓名： | 郭剑 史彦斌 谢松云 |
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| 作者单位： | 1. 西北工业大学电子信息学院,西安,710072
2. 西北工业大学电子信息学院,西安,710072;空军航空大学电子工程系,长春,130022 |
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| 摘 要： | 介绍了直接数字频率合成技术的实现方法,分析了其优越的技术特性。根据其特性,利用FPGA设计了高准确度的数字频率信号源。仿真结果表明,与传统的信号源相比,使用该方法实现的信号源,其信号种类多,准确度高,满足测试设备数字化、软件化的趋势。
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| 关 键 词： | 数字信号 频率合成技术 信号源 FPGA |
| 文章编号： | 1000-7202(2006)04-0064-04 |
| 修稿时间： | 2006年3月29日 |
Design of High Accuracy Digital Frequency Supply Oscillator Based on FPGA |
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| GUO Jian,SHI Yan-bin,XIE Song-yun.Design of High Accuracy Digital Frequency Supply Oscillator Based on FPGA[J].Journal of Astronautic Metrology and Measurement,2006,26(4):64-67. |
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| Authors: | GUO Jian SHI Yan-bin XIE Song-yun |
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| Abstract: | The realization method of DDS(Direct Digital Synthesis) technology based on the FPGA is introduced,and its superior technical characteristic is analyzed.According to its characteristic,a high accuracy digital frequency supply oscillator has been designed using FPGA.The simulation result indicates,comparing with the traditional supply oscillator,this type of supply oscillator realized by DDS has many merits such as high accuracy and fast switching speed,being satisfied with the tendency of test facility for digitization and software. |
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| Keywords: | Digital signal Frequency synthesis technique Supply oscillator FPGA |
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