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Questions and Answers
What type of modulation is occupied by ASK, BPSK, and FSK?
What type of modulation is occupied by ASK, BPSK, and FSK?
- Amplitude modulation
- Frequency modulation
- Phase modulation
- None of the above (correct)
What type of angles does π/4 DQPSK use to reduce the need for linearity?
What type of angles does π/4 DQPSK use to reduce the need for linearity?
- Angles of 0, 90, 180, and 270 degrees
- Angles of π/4, 2π/4, 3π/4, and 4π/4 (correct)
- Angles of 45, 135, 225, and 315 degrees
- Double phase-shift angles
In the equation C = 2Blog2M, what does M represent?
In the equation C = 2Blog2M, what does M represent?
- Margin of noise
- Modulation index
- Number of possible states per symbol (correct)
- Maximum number of symbols per second
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