抗交串自适应噪声对消系统的算法实现  

The Implementation of Crosstalk Resistant Adaptive Noise Canceller

作　　者：徐洁[1] 丁金婷[1] 江皓[1] 

机构地区：[1]浙江大学城市学院电气系,杭州310015

出　　处：《计算机仿真》2005年第9期106-108,共3页Computer Simulation

摘　　要：针对一般的自适应噪声对消系统性能上存在的不足,引入了抗交串自适应噪声对消系统。抗交串自适应噪声对消系统在形式上由两个典型的自适应噪声对消模块串接而成。抗交串自适应噪声对消系统无须预先知道信号和噪声的特征,却能够相当好地抑制噪声的影响,又使有用信号不产生畸变。该文叙述了该系统的算法实现。计算机仿真结果表明,在强噪声环境背景下,该算法将功率信噪比提高了50db左右,而且运算速度快。该算法对某些特定采样信号的分析和处理有重要意义。Aimed at the shortcomings of the traditional Adaptive Noise Canceller, we introduce the Crosstalk Resistant Adaptive Noise Canceller, which consists of two Adaptive Noise Cancellers. Using this system, noise can be suppressed perfectly and the useful signal will not be changed. In this paper, we introduce the algorithm implementation on computers. The simulation results show that while there are strong environmental noises, it improves SNR 50db or so and runs quickly on computer. This algorithm is important for some sampling signals analysis and processing.

关 键 词：自适应滤波 抗交串 噪声对消 

分 类 号：TP301.6[自动化与计算机技术—计算机系统结构]