论文标题
基于FXLMS的多通道多色调主动噪声均衡器的传输功能
Transfer functions of FXLMS-based Multi-channel Multi-tone Active Noise Equalizers
论文作者
论文摘要
多通道多色调主动噪声均衡器即使在不同的空间位置也可以实现不同的用户选择的噪声频谱轮廓。他们可以在每个噪声频率组件和每个控制点上应用不同的均衡因子。从理论上讲，在噪声信号具有能量的频率下传输函数的值由均衡器配置确定。在这项工作中，我们展示了如何以双重目的计算这些传递函数：在感兴趣的频率下，获得均衡器设置所施加的值，并表征这些传递函数在其余光谱中的行为，并获得线索，以获取算法的逆流行为。由于这些转移功能，提供的信息是对收敛性繁琐的统计分析的实际替代方法，其结果通常没有实际使用。
Multi-channel Multi-tone Active Noise Equalizers can achieve different user-selected noise spectrum profiles even at different space positions. They can apply a different equalization factor at each noise frequency component and each control point. Theoretically, the value of the transfer function at the frequencies where the noise signal has energy is determined by the equalizer configuration. In this work, we show how to calculate these transfer functions with a double aim: to verify that at the frequencies of interest the values imposed by the equalizer settings are obtained, and to characterize the behavior of these transfer functions in the rest of the spectrum, as well as to get clues to predict the convergence behaviour of the algorithm. The information provided thanks to these transfer functions serves as a practical alternative to the cumbersome statistical analysis of convergence, whose results are often of no practical use.
