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。
• 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。
• 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 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。
• 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 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 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。
• 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。
• 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 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。