narrow filter中文什么意思

窄带滤波器

• narrow:    adj. 1.狭,窄,狭隘的,狭小的 ...
• filter:    n. 1.滤器，滤纸，过滤用料[砂、 ...
• infrared narrow band filter:    红外窄带滤光片

例句与用法

1. These unusual densities of states were due to the discrete propagation modes peculiar to the photonic crystal composed of alternative left - handed and right - handed materials , and could be used to make very narrow filters totally different from any conventional types of filters
   这些禁带中的态密度是由左右手材料构成的一维光子晶体所特有的，它们可用于制造完全不同于常规滤波器的、频带狭窄的新型滤波器。