a filter that passes frequencies above a certain value and attenuates frequencies below that value
high-pass filter的用法和样例:
例句
A multilayer band-pass infrared thin film optical filter has been desi gned and manufactured which use lead telluride and zinc sulfide as thin film mat erials. 采用碲化铅和硫化锌作为镀膜材料,研制了空间红外光学系统使用的红外多层带通滤光片。