读知识>英语词典>frequency band翻译和用法

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

    • 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。
    • 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。
    • The frequency band energy method based on the wavelet analysis is used for getting the characteristics of the running noise.
      同时,运用基于小波分析的频带能量法提取运行噪声的特征。
    • 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 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。
    • 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。
    • 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。
    • Very low frequency band radiated field system
      甚低频带辐射场系统
    • 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。
    • 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。