摘要: |
本文将一种改进的非线性自适应抑制快速算法应用于直接序列扩频通信的强窄带干扰抑制中,并将其与其它时域自适应抑制算法进行仿真比较,在收敛速度和收敛精度相当的情况下,该算法结构简单、计算量适中且误码率小,特别是相对于其它算法,其对窄带干扰的抑制深度具有明显的优势。 |
关键词: 直接序列扩频通信 直扩信号 窄带干扰抑制 自适应滤波 算法 |
DOI:10.3969/j.issn.1001-893X. |
投稿时间:2004-07-09 |
基金项目:广东省科技厅科技计划;广东省广州市科技攻关项目 |
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A Nonlinear Adaptive Filtering Fast Algorithm For Narrow-band Interference Suppression in DSSS Systems |
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Abstract: |
A nonlinear adaptive filtering fast algorithm is applied to adaptive suppression of narrow band interferences (NBI) in direct sequence spread spectrum (DSSS) systems. Simulation with MATLAB shows that the improved algorithm is of simple structure, fast convergence ,medium computational complexity and large suppression depth. Hence it has better ability in NBI suppression. |
Key words: DSSS communication,DSSS signal,Narrow-band interference suppression,Adaptive filter,Algorithm |