| 单词 | frequency spectrum |
| 释义 | frequency spectrum in Electrical Engineering (frikwənsi spɛktrəm) Word forms: (plural) frequency spectra noun (Electrical engineering: Circuits, Communication) frequencyThe frequency spectrum of an electrical signal is the distribution of the amplitudes and phases of each frequency component against frequency. The use of higher frequencies is desirable because of the smaller antenna size, theimproved directional effect of the antennae, and the broader available frequency spectrum. A full-range device is any audio device capable of capturing, reproducing, or processingthe full audio frequency spectrum of 20 Hz to 20 kHz. The frequency spectrum of an electrical signal is the distribution of the amplitudes and phases of eachfrequency component against frequency. |
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