BandPass filter是指:
举一反三
- A filter that attenuates high frequencies while passing low frequencies is called a( ). A: bandpass B: bandstop C: lowpass D: highpass
- What kind of filter is used to extract a single-freq. harmonic from the harmonic components contained in square wave? A: Low-pass Filter B: High-pass Filter C: Band-pass Filter D: Band-elimination Filter
- 在一个Filter中,处理filter业务的是()方法
- 下列关于Filter的描述中,正确的是 ()。 A: Filter只能过滤页面 B: Filter只能过滤Servlet C: Filter程序必须实现Filter接口 D: 一个web应用只能注册一个Filte
- Servlet三大组件是() A: Servlet、JSP、Filter B: Servlet、Filter、Listener C: Servlet、Model、JSP D: JSP、Filter、Listener