During the recent decade, the active noise control technology has becoming a hotspot of the noise controlling field , which is the extend and intercross of several subjects.

• 近十几年来，有源消声技术成为噪声控制领域一个多学科交叉、渗透、延伸的研究热点，它以其体积小、重量轻、低频消声效果好等优点获得普遍的关注。