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单词 VHF Band
释义

VHF Band

英语百科

Very high frequency

VHF television antennas used for broadcast television reception.  These six antennas are a type known as a Yagi antenna, which is widely used at VHF
A VHF television broadcasting antenna. This is a common type called a super turnstile or batwing antenna.
A plan showing VHF use in television, FM radio, amateur radio, marine radio and aviation.

Very high frequency (VHF) is the ITU designation for the range of radio frequency electromagnetic waves (radio waves) from 30 MHz to 300 MHz, with corresponding wavelengths of ten to one meters. Frequencies immediately below VHF are denoted high frequency (HF), and the next higher frequencies are known as ultra high frequency (UHF).

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更新时间:2025/6/20 0:19:27