| 单词 | frequency modulation (FM) |
| 释义 | frequency modulation (FM)Definition Method of broadcasting electrical signals that cannot travel very far on their own. In this method, the signal is imposed or 'imprinted' on a carrier wave whose frequency increases or diminishes with the frequency of the signal. FM transmission operates in 88 to 108 megahertz frequency band, and is less susceptible to electromagnetic interference than amplitude modulation (AM). Use 'frequency modulation (FM)' in a SentenceI learned how frequency modulation worked and I was really happy to understand that it was a really good method. When the frequency modulation was invented it really changed the way that the world worked at the time in a major way. The frequency modulation for this radio station is 106.6 megahertz, which is stronger than most other radio stations in our area. |
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