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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

    • 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。
    • 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 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 theoretical and experimental results show that accompanying the increase of the interchannel phase difference, the sound image broadens as the signal frequency band width increases.
      理论和实验结果表明,随着通路间相位差的增加,声象随信号频带宽度的增加而展宽。
    • 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。
    • 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 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。
    • 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
    • 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。