截止频率

1
cut-off frequency
毕业论文天下网_Butterworth滤波器设计_通信工程毕业论文格式范文关键词：有源滤波器，截止频率，传递函数 [gap=1148]Keywords: APF, Cut-off frequency, Transfer Function
2
off frequency
... 闭合电压? cut-in voltage 截止频率? cut-off frequency 断油拉索 cut-off link ...
3
[电子] limiting frequency
... 放大极限频率 amplification limit frequency 截止频率,极限频率 limiting frequency 吸收极限频率,吸收截止频率 absorption limiting frequency ...
4
fT
截止频率fT：深圳市丽江电子供应各品牌集成电路IC,二三极管,场效应管,单双向可控硅,光耦,三端稳压,整流二极管,快恢复二极管,ON稳压二极管,S...

短语

1
极光嘶声则有明显的上截止频率和下截止频率。
As to auroral hiss, there are upper and lower frequency cut-offs.
2
采用模匹配方法分析了月形波导和加片圆波导的截止频率。
The Lunar waveguides and vained circular waveguides are analyzed by using the mode matching method.
3
它能直观的测试一个系统的幅频特性、相频特性和截止频率。
It can measure the magnitude characteristic, phase characteristic and limiting frequency of a system.

截止频率
当保持输入信号的幅度不变，改变频率使输出信号降至最大值的0.707倍，即用频响特性来表述即为-3dB点处即为截止频率，它是用来说明频率特性指标的一个特殊频率。

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