| 基于DDS技术的超稳信号源研究 |
| |
| 引用本文： | 任晓婷.基于DDS技术的超稳信号源研究[J].科学技术与工程,2010,10(22). |
| |
| 作者姓名： | 任晓婷 |
| |
| 作者单位： | 兰州空间技术物理研究所,兰州,730000 |
| |
| 摘 要： | 简单介绍我国重力场测量卫星的高精度K波段星间测距系统的概念和其关键部分超稳定晶体振荡器的概念.核心介绍利用高稳定商用标准频率无电极式谐振器,通过直接数字频率综合技术(DDS),产生所需特殊频点的超稳定晶体振荡器,使其稳定度满足技术指标要求.有利于航天器一体化设计,减少研制费用和研制周期.通过实验证明此设计达到预期目标.
|
| 关 键 词： | K波段星间测距系统(KBR) 频率合成 超稳晶振振荡器(USO) |
| 收稿时间： | 2010/4/27 0:00:00 |
| 修稿时间： | 5/10/2010 7:43:36 PM |
The Research for USO Based On DDS Technology |
| |
| renxiaoting.The Research for USO Based On DDS Technology[J].Science Technology and Engineering,2010,10(22). |
| |
| Authors: | renxiaoting |
| |
| Abstract: | The concept of KBR System main structure used in the gravity field measurement in China and The key technologies of USO is introduced.Commercial standards for the use of high-stability frequency of non-electrode-type resonator, through a direct digital frequency synthesis technology (DDS), creating the necessary stability of a special ultra-frequency crystal oscillator, so that stability to meet the technical requirements.Conducive to the integration of spacecraft design.Reduced development cost and development cycle.The experiment proved that this design to achieve the desired goal. |
| |
| Keywords: | AD9852 |
| 本文献已被 万方数据 等数据库收录！ |
| 点击此处可从《科学技术与工程》浏览原始摘要信息 |
| 点击此处可从《科学技术与工程》下载免费的PDF全文 |
|
