1. Computer Science Engineering (CSE)
  2. Communication Engineering
  3. In which technique is phase coherence ha...
Q.

In which technique is phase coherence hard to maintain?

A. direct sequence
B. frequency hopping
C. direct sequence & frequency hopping
D. none of the mentioned
Answer» B. frequency hopping
Explanation: in frequency hopping spread spectrum phase coherence is hard to maintain from hop to hop.
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