| 单词 | transducer |
| 释义 | transducer A device for converting a nonelectrical signal, such as sound, light, heat, etc., into an electrical signal, or vice versa. Thus microphones and loudspeakers are electroacoustic transducers . An active transducer is one that can itself introduce a power gain and has its own power source. A passive transducer has no power source other than the actuating signal and cannot introduce gain |
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