Group modulation
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A modulation method used in multiple communication systems that transmit multiple signals simultaneously over the same transmission line. Once modulated, multiple modulated waves with different wave numbers are combined into a single group using frequency division or time division, and then other carrier waves are modulated using this group, hence the name. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
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同一の伝送路で多数の信号を同時に伝送する多重通信システムに用いられる変調方式。一度変調された複数の波数の被変調波を周波数分割，時分割などで1群としてまとめ，ほかの搬送波をこれで変調するのでこの名前がある。
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