Adaptive Filter Based on FPGA Implementation of LMS Algorithm

被引：0
|
作者：
Li, Genwu [1 ]
Zeng, Dan [1 ]
Li, Hongyu [2 ]
机构：
[1] Shanghai Univ, ShangDa Rd 99, Shanghai, Peoples R China
[2] Lvyi Rd 2398, Shanghai, Peoples R China
来源：
INTERNATIONAL CONFERENCE ON OPTOELECTRONIC MATERIALS AND DEVICES (ICOMD 2021) | 2022年 / 12164卷
关键词：
Adaptive filter; FPGA LMS algorithm; Digital signal processing;
D O I：
10.1117/12.2628613
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In the digital signal processing, in order to realize the automatic updating of the filter weight coefficient, this paper adopts an adaptive filter based on Cyclone IV EP4CE6 series FPGA to realize LMS algorithm to solve this problem. This paper analyzes the basic principle of the minimum mean square error (LMS) adaptive algorithm and the peripheral hardware circuit. The high parallelism and high computing performance of the FPGA ensure the convergence and stability of the algorithm in this scheme. The simulation results of MATLAB and Modelsim and the measured waveforms of the oscilloscope show that the design can be applied to the actual digital signal system smoothly.
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页数：7
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