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frequency spectrum

美 /ˈfriːkwənsi ˈspektrəm/
  • 频谱：指在一定时间内，信号的频率分布情况。频谱通常以图形的形式表示，横轴表示频率，纵轴表示信号的强度或功率。

双语例句

  1. While this division of the frequency spectrum works, said Goldsmith, it's not infallible.
    戈德史密斯表示，这种频谱划分方式尽管行之有效，却并非尽善尽美。
  2. The influence of some factors on pressure oscillation is studied by frequency spectrum analysis.
    采用频谱分析方法，分析诸因素对压力振动特性的影响。
  3. The correlated information can be picked up in the frequency spectrum charts of dynamic resistance curves.
    动态电阻曲线频谱图中也同样可以提取出与熔核直径相关的信息。

网络短语

  • Radio Frequency Spectrum
    无线电频谱；射频频谱无线电频谱；无线射频频谱
  • spatial frequency spectrum
    空间频谱；空间频率谱
  • frequency spectrum designation
    频段名称
  • inverse-frequency spectrum
    反转频谱
  • standard frequency spectrum
    标准频谱

同义词

frequency content
[物]频谱；频率谱

英英释义

  • The frequency spectrum of a time-domain signal is a representation of that signal in the frequency domain. The frequency spectrum can be generated via a Fourier transform of the signal, and the resulting values are usually presented as amplitude and phase, both plotted versus frequency.