| 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。 |
| 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 |
| DOI：10.3969/j.issn.1001-893X. |
| Received:January 07, 2005Revised:April 18, 2005 |
| 基金项目: |
|
| Design and Implementation of an AGC Algorithm |
|
| () |
| 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. |
| Key words: communication line AGC over sample digitalfilter digital signal processing |
