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。
• Fault Diagnosis for Diesel Valve Drain Based on Euclidean Closeness Degree and Frequency Band Energy Decomposition Using Wavelet Packets
  基于小波包频带能量分解和欧氏贴近度的柴油机气阀机构故障诊断
• 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。
• 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。
• 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。
• 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。
• 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
• 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。
• 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