Which of the following is not a linear modulation technique?
A) oqpsk
B) ?/4 qpsk
C) fsk
D) bpsk
Correct Answer:
Verified
Q9: How we can define the satisfactory performance
Q10: RGB stands for_
A)red green brown
B)red green black
C)red
Q11: How many lines are there in an
Q12: Luminance refers to_
A)contrast
B)diffusion
C)brightness
D)aperture
Q13: Linear modulation techniques are not bandwidth efficient.
Q15: In BPSK, the_ of constant amplitude carrier signal
Q16: BPSK uses non-coherent demodulator.
Q17: DPSK uses coherent form of PSK.
Q18: In DPSK system, input signal is differentially
Q19: QPSK has_ the bandwidth efficiency of BPSK.
A)twice
B)same
C)half
D)four times
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