n.御寒耳罩

The optimum design of the controller of compound active noise cancellation earmuff is discussed. 探讨了复合式有源消声耳罩的控制器的优化设计方法。

This research proposed several rib-strengthened structures trying to improve the sound insulation of an earmuff by increasing its stiffness. 本研究提出了数种肋条强化结构，提升耳罩的刚性以改善隔音效果。

Research on Earmuff Used in Occupational Noise Enviornment 职业噪声环境下语音增强技术的研究

Keywords infrasound;hearing protector;earplug;earmuff;sound attenuation value; 次声;护耳器;耳塞;耳罩;声衰减值;

Test and Study of the Phase Characteristics in the Electro-acoustic Translation of Active Noise Cancellation Earmuff 有源消声耳罩电声转换相位特性的测试研究