频率范围 45.0 - 45.475 MHz - 频率范围搜索

频率范围简介

暂无频率范围简介

频率明细

  • 类型
    起始频率
    中心频率
    终止频率
  • 太赫 (TeraHertz)
    4.5e-05 THz
    4.52375e-05 THz
    4.5475e-05 THz
  • 吉赫 (GigaHertz)
    0.045 GHz
    0.0452375 GHz
    0.045475 GHz
  • 兆赫 (MegaHertz)
    45.0 MHz
    45.2 MHz
    45.5 MHz
  • 千赫 (KiloHertz)
    45000 KHz
    45238 KHz
    45475 KHz
  • 赫兹 (Hertz)
    45000000 Hz
    45237500 Hz
    45475000 Hz
  • 波长 (Wavelength)
    6.66 m
    6.63 m
    6.59 m
  • 周期 (Period Time)
    22.22 ns
    22.11 ns
    21.99 ns

频率波段

ITU Radio Bands

  • Band
    Band Name
    Lower Frequency (MHz)
    Upper Frequency (MHz)
    Wavelength
    Note
  • VHF
    Very High Frequency
    30
    300
    10 m – 1 m
    FM radio, TV, airband communication, walkie-talkies

IEEE Standard 521-2002 Bands

  • Band
    Band Name
    Lower Frequency (MHz)
    Upper Frequency (MHz)
    Wavelength
    Note
  • VHF
    Very High Frequency
    30
    300
    10 m – 1 m
    Ground surveillance radar, ship navigation radar

EU, NATO, US ECM Radio Bands

  • Band
    Band Name
    Lower Frequency (MHz)
    Upper Frequency (MHz)
    Wavelength
    Note
  • A
    Very Low Frequency
    0
    250
    1.2 m – ∞
    Submarine communication, navigation, ELF signaling and deep penetration signals

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