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Communication SystemsDigital Modulation

In binary phase-shift keying (BPSK), the two binary symbols are represented by carrier phases separated by?

  • A45 degrees
  • B90 degrees
  • C180 degrees
  • D360 degrees
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Correct Answer: C. 180 degrees
Explanation: BPSK uses two antipodal carrier phases, conventionally separated by 180 degrees.
Reference: Standard communication systems: digital modulation
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