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31. Stochastic gradient algorithm is also called ________
a. Zero forcing algorithm
b. Least mean square algorithm
c. Recursive least square algorithm
d. Mean square error algorithm
Discuss
Answer: (b).Least mean square algorithm

32. Convergence rate of LMS is fast.
a. True
b. False
c. May be True or False
d. Can't say
Discuss
Answer: (b).False

33. Which of the following does not hold true for RLS algorithms?
a. Complex
b. Adaptive signal processing
c. Slow convergence rate
d. Powerful
Discuss
Answer: (c).Slow convergence rate

34. Which of the following algorithm uses simple programming?
a. LMS Gradient DFE
b. FTF algorithm
c. Fast Kalman DFE
d. Gradient Lattice DFE
Discuss
Answer: (a).LMS Gradient DFE

35. Diversity requires a training sequence.
a. True
b. False
c. May be True or False
d. Can't say
Discuss
Answer: (b).False

36. Diversity decisions are made by ____________
a. Receiver
b. Transmitter
c. Channel
d. Adaptive algorithms
Discuss
Answer: (a).Receiver

37. Small scale fades are characterized by ____________ amplitude fluctuations.
a. Large
b. Small
c. Rapid
d. Slow
Discuss
Answer: (c).Rapid

38. ____________ is used to prevent deep fade for rapidly varying channel.
a. Modulation
b. Demodulation
c. Macroscopic diversity technique
d. Microscopic diversity technique
Discuss
Answer: (d).Microscopic diversity technique

39. Large scale fading can be mitigated with the help of _________
a. Modulation
b. Demodulation
c. Macroscopic diversity technique
d. Microscopic diversity technique
Discuss
Answer: (c).Macroscopic diversity technique

40. Space diversity s also known as ________
a. Antenna diversity
b. Time diversity
c. Frequency diversity
d. Polarization diversity
Discuss
Answer: (a).Antenna diversity

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