Digital Communication Questions and Answers
Q1.
Error detection is realized using
Answer :
Check sum
Q2.
Which is the primary cost for degradation of error performance?
Answer :
Signal distortion & Loss in signal to noise ratio
Q3.
Antenna’s efficiency is given by the ratio of
Answer :
Effective aperture to physical aperture
Q4.
Entropy is the measure of
Answer :
Amount of information at the output
Q5.
Components used for generation of turbo codes are
Answer :
Inter leavers & Punching pattern
Q6.
In soft decision approach 0 represents
Answer :
Could be either zero or one
Q7.
The ______ the error correcting capability used, the _____ will be the erasure correcting capability.
Answer :
Larger, smaller
Q8.
A concatenated code uses
Answer :
Two levels of coding
Q9.
Which distance is related to the error correcting capability of the code?
Answer :
Minimum distance
Q10.
Which parameter is used in soft decision algorithm?
Answer :
Euclidean distance & distance squared
🎕🎕🎕
🎕🎕🎕
0 Comments