Digital Communications Waveform Coding Online Exam Quiz
Digital Communications Waveform Coding GK Quiz. Question and Answers related to Digital Communications Waveform Coding. MCQ (Multiple Choice Questions with answers about Digital Communications Waveform Coding
Examples of structured sequences are
Options
A : Block codes
B : Convolutional codes
C : Turbo codes
D : All of the mentioned
In non orthogonal signalling as k increases there is
Options
A : Degraded error performance
B : Improved bandwidth efficiency
C : Increase in required Eb/N0
D : All of the mentioned
Transorthogonal code is obtained by
Options
A : Deleting last digit of each orthogonal codeword
B : Deleting first digit of each orthogonal codeword
C : Doubling each digit of orthogonal codeword
D : Taking negative of each digit of orthogonal codeword
Biorthogonal codes needs ________ bandwidth as orthogonal codes.
Options
A : Equal
B : Double
C : Half
D : Triple
In orthogonal signalling as k increase there is
Options
A : Improved error performance
B : Degraded error performance
C : Improved bandwidth
D : None of the mentioned
Antipodal signals are
Options
A : Mirror images
B : 1800 apart
C : One is negative of the other
D : All of the mentioned
The smaller the cross correlation, the ______ is the distance between the signal vectors.
Options
A : More
B : Less
C : Double
D : Half
In orthogonal signal, all cross correlation coefficients are
Options
A : One
B : Zero
C : Negative
D : None of the mentioned
Which codes perform better?
Options
A : Orthogonal
B : Biorthogonal
C : Orthogonal & Biorthogonal
D : None of the mentioned
Which code requires minimum Eb/N0?
Options
A : Orthogonal
B : Biorthogonal
C : Simplex
D : All of the mentioned
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