| 某型伪码测距雷达的数字AGC设计 |
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| 引用本文： | 金俊坤,吴嗣亮,孙武.某型伪码测距雷达的数字AGC设计[J].现代雷达,2005,27(10):75-78. |
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| 作者姓名： | 金俊坤 吴嗣亮 孙武 |
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| 作者单位： | [1]北京理工大学电子工程系,北京100081 [2]航天部二院25所,北京100039 |
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| 摘 要： | 论述了某航天器伪码测距雷达接收机外部AGC的设计原理和具体实现,并重点讨论了如何根据射频前端的输出来设计全数字AGC,来扩展接收机的动态范围.该文的讨论对于DS-SS（扩展频谱数字）接收机和伪码测距雷达接收机的数字AGC设计有参考意义.
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| 关 键 词： | 动态范围 全数字AGC 射频前端 |
| 收稿时间： | 2004-10-15 |
| 修稿时间： | 2005-03-09 |
Design of a Digital AGC in a PN-code Ranging Radar |
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| JIN Jun-kun,WU Si-liang,SUN Wu.Design of a Digital AGC in a PN-code Ranging Radar[J].Modern Radar,2005,27(10):75-78. |
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| Authors: | JIN Jun-kun WU Si-liang SUN Wu |
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| Affiliation: | 1. Department of Electronic Engineering, Beijing Institute of Technology, Beijing 100081, China;2. 25 Graduate School of the Second Academe, Ministry of Spaceflight, Beijing 100039, China |
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| Abstract: | This paper analyses the design and implementation of an external AGC system for a PN-code ranging radar's receiver in an space vehicle,and focuses on discussing of how to design an all-digital AGC according to the output of the front-end device to extend the dynamic range.The discussion of this paper is valuable for the design of digital AGC in DS-SS(DirectSequence Spread-Spectrum) receiver or in PN-code ranging radar receiver. |
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| Keywords: | dynamic range full-digital AGC front-end |
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