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针对飞机驾驶舱内存在着大量的低频噪声,提出一种应用于飞行员头盔的自适应有源噪声控制系统设计方案,并在此基础上,利用MATLAB对FXLMS算法进行了仿真和性能分析。结果表明,此方案对飞机噪声低频段具有很好的降噪效果。
Aiming at the large amount of low frequency noise in the cockpit of aircraft, a design scheme of adaptive active noise control system for pilot helmet is proposed. Based on this, the simulation and performance analysis of FXLMS algorithm are carried out by using MATLAB. The results show that this scheme has a good noise reduction effect on low frequency of aircraft noise.