Multiple Choice
Which type of demodulator is used in the frequency hopping technique?
A) coherent
B) non coherent
C) coherent & non coherent
D) none of the mentioned
Correct Answer:

Verified
Correct Answer:
Verified
Q15: The bandwidth of FDMA channel is<br>A)wide<br>B)narrow<br>C)large<br>D)zero
Q16: Fast frequency hopping is<br>A)several modulations per hop<br>B)several
Q17: In which technique is phase coherence hard
Q18: _ are utilized to allow synchronization of the
Q19: Which of the following is not true
Q21: Which duration is shorter?<br>A)hop duration<br>B)symbol duration<br>C)chip duration<br>D)none
Q22: The minimum spacing between consecutive hop positions
Q23: _ is based on FDMA/FDD.<br>A)gsm<br>B)w-cdma<br>C)cordless telephone<br>D)amps
Q24: _ of TDMA system is a measure of
Q25: Which of the following is not true