Fading is caused due to1. Multi path propagation2. Obstacles3. Frequen – McqOptions

MCQOPTIONS

1.	Fading is caused due to1. Multi path propagation2. Obstacles3. Frequency variations at the source4. Variation in amplitude and phase at receiver
A.	1 and 2 are correct
B.	1, 2 and 4 are correct
C.	2 and 3 are correct
D.	All are correct
Answer» C. 2 and 3 are correct

Discussion

No Comment Found

Related MCQs

The performance of algorithms for Adaptive Equalization are given by1. Rate of convergence2. Computational complexity3. Numerical properties4. Frequency change
Speech Coders are categorized on the basis of
The time span for which the equalizer converges depends upon1. Equalizer algorithm2. Equalizer structure3. Rate of change of multipath radio channel4. Amplitude of signal
The methods used for non linear equalization area. Decision Feedback Equalizationb. Maximum Likelihood Symbol Detectionc. Maximum Likelihood Sequence Estimation
The algorithms acquired for adaptive equalization are1. Zero forcing algorithm2. Least mean squares algorithm3. Recursive least squares algorithm
The diversity schemes are based on1. Time diversity2. Frequency diversity3. Space diversity4. Polarization diversity
RAKE receiver is1. Several sub receivers2. Several correlators3. Fingers4. Equalization based
Speech coding technique that is independent of the source is
Multi pulse excited LPC includes1. Multiple pulses per period2. Minimization of weighted mean square error3. Better speech quality4. Pitch detection is not required
Linear predictive coders are based on the principle that1. Current signal sample is obtained from linear combination of past samples2. Current signal sample is independent of past samples3. These are time domain vocoders4. They are among low bit rate vocoders