The sound absorption and sound transmission loss performances of the natural woods,hard and soft processed woods with at......

We present evidence that transmission loss in gated x-ray framing cameras can affect relative gains.Transmission loss is......

随着汽车行业技术水平的不断进步，顾客对汽车各项性能要求也越来越高，汽车NVH 性能是汽 车的重要性能指标之一，其中进气系统的NVH 性......

针对多波长集成光源阵列封装设计了一种具有低传输损耗、低串扰的阵列微波馈线。通过分析微带线和接地共面波导在传输高频微波信号......

报道了在质子注入波导中几乎观察不到光损伤。掺镁铌酸锂中质子交换波导的抗光损伤能力是不掺镁的二倍,是钛内扩散波导的8倍。......

　　The perforated silencers are widely used in practical applications.One may face great challenge to model and calcula......