| 单词 | EHF (Extremely High Frequency) |
| 释义 | EHF (Extremely High Frequency) EHF radio is in the frequency range of 30 GHz – 300 GHz and has a wavelength of 1 cm – 1 mm. EHF radio has applications in microwave and satellite radio, and radiolocation systems. EHF radio is at the very upper limit of the radio spectrum. Higher frequency signals fall into the infrared light spectrum. See also electromagnetic spectrum, frequency, Hz, Ir, and wavelength. |
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