| 基于DDS的高精度大功率调频源设计 |
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| 引用本文： | 严石.基于DDS的高精度大功率调频源设计[J].淮阴师范学院学报(自然科学版),2005,4(4):296-299. |
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| 作者姓名： | 严石 |
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| 作者单位： | 淮阴工学院,电子信息工程系,江苏,淮安,223001 |
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| 摘 要： | 介绍了一种基于DDS的正弦脉宽调制(SPWM)技术实现调频调幅输出的串联谐振式电源的工作原理,采用可编程器件实现基于DDS的SPWM波及大功率的IPM构成全桥逆变主回路,简化了设计,提高了电压、频率输出精度,缩小了设备的体积.
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| 关 键 词： | 正弦脉宽调制 DDS IPM 电源 |
| 文章编号： | 1671-6876（2005）04-0296-04 |
| 收稿时间： | 2005-06-20 |
| 修稿时间： | 2005年6月20日 |
The Design of High-precision Frequency and Amplitude Modulated Power Supply Based on DDS |
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| YAN Shi.The Design of High-precision Frequency and Amplitude Modulated Power Supply Based on DDS[J].Journal of Huaiyin Teachers College(Natrual Science Edition),2005,4(4):296-299. |
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| Authors: | YAN Shi |
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| Abstract: | In this papter, the operation principle of a kind of Highprecision Frequency and Amplitude power supply adopting SPWM technique based on DDS to realize frequency and amplitude modulation was introduced, this kind of power supply adopts bridge inversion circuit constructed with IPM and the bridge was driven by SPWM dirver constructed with CPLD. |
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| Keywords: | SPWM DDS IPM power supply |
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