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

• Bandstop filter is also commonly used in anti-jamming equipment to prevent interference within a frequency band and noise signals.
  利用滤波，可以从复杂的信号中提取所需的信号，抑制不需要的信号。
• 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 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。
• 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。
• 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 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 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 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。
• 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。
• 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。