UNIVERSE
SATELLITESICY BODIES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The echo heard by a telephone user on a satellite channel can be removed by using ____ .
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a vocoder
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a multiplexer
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echo suppressor
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digital techniques
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Explanation:
Detailed explanation-1: -However, because the orbital period of low-orbit satellites is different from the rotation period of the earth, they will not stay in the sky over a specific area. More satellites need to be deployed to avoid communication interruption in specific areas.
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