资讯
High performance SAW filters are characterized by their linear phase, low shape factor, small passband ripple, and high rejection. Classical filter design structures can achieve these performances, ...
Air-coupled ultrasonic transducers working at frequencies over 100 kHz have been widely used in the past for NDT applications and are a very attractive alternative when test specimens cannot enter in ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果