frequency band
英 [ˈfriːkwənsi bænd]
美 [ˈfriːkwənsi bænd]
频带，波段
英英释义
noun
- a band of adjacent radio frequencies (e.g., assigned for transmitting radio or television signals)
双语例句
- The utility model provides a sound absorption assembled plate of a wide frequency band;
本实用新型提供一种宽频带组合式吸声板。 - Bandstop filter is also commonly used in anti-jamming equipment to prevent interference within a frequency band and noise signals.
利用滤波，可以从复杂的信号中提取所需的信号，抑制不需要的信号。 - Under normal circumstances, in order to filter at any frequency band have good frequency resolution, can be used with a broadband constant-pass filter, such as radio frequency-selective.
一般情况下，为使滤波器在任意频段都有良好的频率分辨力，可采用恒带宽带通滤波器，如收音机的选频。 - The frequency of this smoothed waveform is fixed, the amplitude is unique, and the frequency band performance is good.
这种平滑化的波形频率固定，幅度统一，具有较好的频带性能。 - Such assumptions sometimes may result in narrow frequency band, large time delay and unstable system.
这样得到的控制系统频带较窄、时滞大，还有可能出现控制系统不稳定。 - Experiment results show that the dynamic performances of the system are improved and its frequency band is widen significantly by using the AMFC algorithm.
实验表明，该算法使系统获得了优良的动态性能，尤其对改善系统的频率响应，拓宽系统频带具有很好的效果。 - The noise from injection and bubbling has the character of wide frequency band and high noise level.
喷注与鼓泡产生的噪声具有频带宽、声压级较高的特征。 - The distance between the acoustic-emission source and the receiving transducer, and the background noise level are primary factors in selecting a particular frequency band.
声发射源与接收讯号传感器间的距离以及环境噪声的电平是选择频带的主要依据。 - Generally, low reflectance within low frequency band is difficultly obtained by using ordinary lossy material.
在使用普通的损耗材料进行设计时，很难在低频段获得较低的反射率。 - Such systems enable increased efficiency in the usage of frequency band.
这种系统能够增加在频段的使用效率。