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频率

频率 的英文翻译


frequency

频率 的中文句子和英文句子



鉴别器,鉴频器一种将输入信号的某一特征,如频率或相位转变为幅度变化装置,其变化大小因信号与标准或参考信号的不同程度而异

A device that converts a property of an input signal, such as frequency or phase, into an amplitude variation, depending on how the signal differs from a standard or reference signal.


低频扬声器设计用来再现低音频率的扬声器

A loudspeaker designed to reproduce bass frequencies.


啸声干扰一种由于诸如闪电等大气干扰而产生的音频电磁波,具有典型的逐渐减弱频率的特征,该频减引起了检波设备中调逐渐下降的啸声

An electromagnetic wave of audio frequency produced by atmospheric disturbances such as lightning, having a characteristically decreasing frequency responsible for a whistling sound of descending pitch in detection equipment.


激光器使偶然的混杂频率的电磁辐射,变为一个或更多的高度强化和连续的紫外线、可见光或红外线辐射的分离频率仪器中的一种

Any of several devices that convert incident electromagnetic radiation of mixed frequencies to one or more discrete frequencies of highly amplified and coherent ultraviolet, visible, or infrared radiation.


一个频带的上下界频率之差,单位用赫兹表示。

The difference, expressed in Hertz, between the two limiting frequencies of a band.


他变换了无线电传送的频率。

He varied the transmission frequency.
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