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سؤال 334

What is the relationship between transmitted symbol rate and bandwidth?

  1. Symbol rate and bandwidth are not related
  2. Higher symbol rates require wider bandwidthپاسخ درست
  3. Lower symbol rates require wider bandwidth
  4. Bandwidth is half the symbol rate

توضیح

Each symbol change is a change in the transmitted waveform, and faster changes require more spectrum, so bandwidth grows roughly in proportion to symbol rate. It is proportional to the symbol rate, not half of it.

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شروع تمرین
سؤال 334: What is the relationship between transmitted symbol rate… · FCC General Class (Element 3) · Questena