spec. A device which produces modulation of an electromagnetic wave or other signal (see modulation, n. 7a).
单词 | θ198287 |
释义 | society > communication > telecommunication > [noun] > signal > modulation > modulator (4) modulator1919 spec. A device which produces modulation of an electromagnetic wave or other signal (see modulation, n. 7a). pulse modulator1952 an apparatus or device for performing pulse modulation. modem1958 A device that both modulates and demodulates electrical signals, converting digital ones into analogue ones and vice versa; spec. such a device… coupler1968 A thing that couples or links together. spec. In full acoustic coupler. A modem for converting digital signals from a computer into an audible… |
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