论文部分内容阅读
排气系有源消声具有无功率损耗，减少有害排放的优越性。在研究了国内外已进行工作的基础上，配置了用声学元件、数字电路及微机组成的自适应闭环有源消声系统，采用Ｆｉｌｔｅｒｅｄ－ＸＬＭＳ算法形成软件。系统经实验证明，可达到主频上降低２６ｄＢ的效果
Exhaust system with active noise reduction without loss, reduce harmful emissions superiority. Based on the work done at home and abroad, an adaptive closed-loop active silencer system composed of acoustic components, digital circuits and micro-computer is configured and Filtered-XLMS algorithm is used to form the software. System experiment proved that the main frequency can reach 26dB lower effect