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 innovative Auto Frequency Scan function enables the system to automatically scan the UHF frequency band and select the strongest RF signals from the microphone's transmitter.
创新的自动频率扫描功能,使系统能自动扫描UHF频段,然后从话筒的发射机射频信号最强。 - 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 frequency band energy method based on the wavelet analysis is used for getting the characteristics of the running noise.
同时,运用基于小波分析的频带能量法提取运行噪声的特征。 - 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。 - Spread spectrum, frequency-hopped, which generates many codes over a wide frequency band.
它在很宽的频带上产生许多代码。 - The thermal noise of resistance could be overcome by reducing the physical temperature, choosing appropriate working frequency band low noise elements, etc.
可通过降低电路的物理温度、择合适的工作频带及低噪声元件等措施,克服电阻热噪声。 - Very low frequency band radiated field system
甚低频带辐射场系统 - The theoretical analysis and experiments demonstrate that the compensator is very effective on extending the work frequency band of sensor, as well as advanced and practical.
理论分析与实验表明了该补偿器的有效性、实用性、先进性。 - 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。 - 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。
