frequency band
举一反三
- 智慧职教: The working frequency band for a LES in Inmarsat system is_______band.
- The DME frequency band is: A: UHF B: VHF C: FM D: HF
- 40 .which frequency in the medium frequency band is used for distress and safety traffic by radiotelephony? A: . 2182kHz B: .518kHz C: 6090kHz D: 2614kHz
- The narrower the frequency band of sound source, the better its expressive force and the richer its levels.
- 智慧职教: Who transmits and receives signal to and from the satellite using L band frequency?