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
- 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。 - 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。 - In the seismic survey, random noises with a wide frequency band can strongly influence the ratio of signal to noise.
在地震勘探中，随机噪音是一种频带较宽，严重影响有效波信噪比的干扰波。 - 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。 - 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 relationship between resonant frequency band and cell size in left-handed materials
左手材料的响应频段和单元尺寸关系的研究 - Application of Frequency Band Energy Character Method in Cutter Wear Monitoring System Using Acoustic Emission
频带能量特征法在声发射刀具磨损监测系统中的应用 - 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。 - In this paper, the extension theory of bandwidth in digital system and three key points of frequency band extension technology are studied experimentally by simulation.
本文主要研究了数字系统频带展宽原理及频带展宽中的三个关键技术。