| 单词 | fading margin |
| 释义 | fading margin [`fād·iŋ ´mär·jǝn] COMMUNICATIONS 1. Number of decibels of attenuation which may be added to a specified radio-frequency propagation path before the signal-to-noise ratio of a specified channel falls below a specified minimum. 2. Allowance made in radio system planning to accommodate estimated fading. |
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