Direct system allows detection of signals whose psd level is
A. Below noise level
B. Above noise level
C. Both of the mentioned
D. None of the mentioned
Answer:A
Direct system allows detection of signals whose psd level is
A. Below noise level B. Above noise level C. Both of the mentioned D. None of the mentioned
Explanation: Direct sequence spread spectrum techniques allow for the detection of signals whose psd is below noise level.