frequency band

英 [ˈfriːkwənsi bænd]

美 [ˈfriːkwənsi bænd]

频带，波段

计算机

英英释义

noun

• a band of adjacent radio frequencies (e.g., assigned for transmitting radio or television signals)
  Synonym:waveband

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。
• 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。
• The transmission performance of the MSK modulator is very superior in a frequency band limiting and power-limiting radio channel.
  MSK调制在限频带、限功率的无线信道中传输性能尤为优越。
• 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；
• 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。
• 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 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 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。
• 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。