Quiz 4: Advanced Modulation Techniques in SDR

Digital Modulation: PAM & PSK

1. True or False: QAM works in 2 dimensions.

True
False

2. Which of the following is the most basic form of PAM?

A. M-PAM
B. B-PAM
C. QAM
D. None of the above.

3. Which of the following can potentially double the data transmission rate without extra effort?

A. M-PAM
B. B-PAM
C. QAM
D. PSK
E. None of the above.

4. Which of the following is incorrect regarding PSK?

A. PSK uses different phases to represent different binary digit patterns.
B. PSK receivers make a comparison to obtain the original data.
C. PSK utilizes a reference (or carrier) signal.
D. PSK sends data by mapping individual binary digits to a waveform.

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