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 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。
• 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 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。
• 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。
• The frequency of this smoothed waveform is fixed, the amplitude is unique, and the frequency band performance is good.
  这种平滑化的波形频率固定，幅度统一，具有较好的频带性能。
• 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。
• 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。
• Multi-parameter estimation of coherent signals over wide frequency band
  宽频段相干信号多维参数联合估计算法
• Very low frequency band radiated field system
  甚低频带辐射场系统
• 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