| 一种AGC算法的设计与实现 |
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| 引用本文： | 郑翔,张文强,周志杰.一种AGC算法的设计与实现[J].电讯技术,2006,46(2):164-167. |
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| 作者姓名： | 郑翔 张文强 周志杰 |
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| 作者单位： | 解放军理工大学,通信工程学院,电信工程系,南京,210007 |
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| 摘 要： | 针对通信线路频响差导致信号变化范围大、大信号屏蔽小信号的问题，设计和实现了一种自动增益控制（AGC）算法。采用过采样和数字滤波技术，增加了模拟信号的转换位数，增大了AGC的动态范围；采用可变步长设计加快了AGC的收敛速度。
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| 关 键 词： | 通信线路 自动增益控制 过采样 数字滤波 数字信号处理 |
| 文章编号： | 1001-893X（2006）02-0164-04 |
| 收稿时间： | 2005-01-07 |
| 修稿时间： | 2005-01-072005-04-18 |
Design and Implementation of an AGC Algorithm |
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| ZHENG Xiang,ZHANG Wen-qiang,ZHOU Zhi-jie.Design and Implementation of an AGC Algorithm[J].Telecommunication Engineering,2006,46(2):164-167. |
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| Authors: | ZHENG Xiang ZHANG Wen-qiang ZHOU Zhi-jie |
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| Affiliation: | Telecommunication Engineering Department, School of Communication Engineering, PLA University of Science and Technology, Nanjing 210007, China |
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| Abstract: | An AGC (Automatic Gain Control) algorithm is designed and implemented to solve such problems as that the signals have a big variety scope and powerful signals shield the weak signals, which are caused by the bad frequency response of a kind of communication wire. The conversion precision of the analog signals and the dynamic range of the AGC are increased by the over sample and digital filter technologies, and the convergence rate of the AGC is speeded up by variable step. |
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| Keywords: | communication line AGC over sample digitalfilter digital signal processing |
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