Digital Communications M Ary Signalling And Performance Online Exam Quiz
Digital Communications M Ary Signalling And Performance GK Quiz. Question and Answers related to Digital Communications M Ary Signalling And Performance. MCQ (Multiple Choice Questions with answers about Digital Communications M Ary Signalling And Performance
For FSK signalling, WT is equal to
Options
A : 0
B : 1
C : 0.737
D : Infinity
As limit of k increases, the ratio of PB/PE becomes
Options
A : 1:2
B : 2:1
C : 1:3
D : 3:1
Which is more vulnerable to noise?
Options
A : 2-ary system
B : 4-ary system
C : Binary system
D : None of the mentioned
In which system, bit stream is portioned into even and odd stream?
Options
A : BPSK
B : MSK
C : QPSK
D : FSK
M-ary signalling produces _______ error performance with orthogonal signalling and _______ error performance with multiple phase signalling.
Options
A : Degraded, improved
B : Improved, degraded
C : Improved, improved
D : Degraded, degraded
In MPSK adding new signals _______ make it vulnerable to noise and in MFSK _______ make it vulnerable.
Options
A : Does, does not
B : Does not, does
C : Does, does
D : Does not, does not
Energy per symbol Es is given as
Options
A : Es=Eb(log2M)
B : Es=Eb/(log2M)
C : Es=2Eb(log2M)
D : Es=Eb/2(log2M)
The error performance of MPSK ______ as M or k increases.
Options
A : Increases
B : Decreases
C : Stays constant
D : None of the mentioned
The relation between the probability of bit error and probability of symbol error in M-ary orthogonal signalling is
Options
A : M/M-1
B : 2M/M-1
C : (M/2)/M-1
D : M/M+1
In orthogonal signalling with symbols containing more number of bits we need ____ power.
Options
A : More
B : Less
C : Double
D : None of the mentioned
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