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
- 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。 - The serial product features include wide frequency band, low VSWR, high attenuation accuracy, small dimensions, high power, excellent capacity in anti-burnout etc.
该系列产品具有频率范围宽、驻波系数低、衰减精度高、体积小、功率大、抗烧毁性能好等特点。 - 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。 - 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。 - 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 frequency band and space band of the optimum cating parameters are studied further for practical use.
本章还进一步研究了最佳涂层的频带带宽和空间带宽,探讨了最佳涂层的实用性。 - Another attribute is the flux or radiant power that can be delivered in that narrow frequency band.
另一个性质就是在这样窄的频带内可以给出很高的光通量或辐射功率。 - 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。 - The low frequency band data pass unit comprises a plurality of stubs which are connected to the data bus in parallel and are formed as printed circuit board ( PCB) patterns.
低频段数据通过单元可包括多个短线,该短线与数据总线连接且被形成为印刷电路板(PCB)图案,短线相互平行; - 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。
