(a) Radio a method of reception in which the incoming signal is mixed with a receiver-generated oscillation of the same frequency as the carrier…
| 单词 | θ198285 |
| 释义 | society > communication > telecommunication > [noun] > signal > frequency or band of frequencies > beat > zero beat (1) zero beat1920 (a) Radio a method of reception in which the incoming signal is mixed with a receiver-generated oscillation of the same frequency as the carrier… |
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