Question 21 : White noise has _______ power spectral density.
1. Constant
2. Variable
3. Constant & Variable
4. None of the mentioned
View Answer   Discuss with Members

Question 22 : The method in which the tail of one pulse smears into adjacent symbol interval is called as
1. Intersymbol interference
2. Interbit interference
3. Interchannel interference
4. None of the mentioned
View Answer   Discuss with Members

Question 23 : Examples of double side band signals are
1. ASK
2. PSK
3. ASK & PSK
4. None of the mentioned
View Answer   Discuss with Members

Question 24 : As the eye opens, ISI _______
1. Increases
2. Decreases
3. Remains the same
4. None of the mentioned
View Answer   Discuss with Members

Question 25 : Pseudo noise signal has _______ and _______ SNR for the same peak transmitted power.
1. Larger, smaller
2. Smaller, larger
3. Larger, larger
4. Smaller, smaller
View Answer   Discuss with Members

Question 26 : The composite equalizing filter is the combination of
1. Receiving and equalizing filter
2. Transmitting and equalizing filter
3. Amplifier and equalizing filter
4. None of the mentioned
View Answer   Discuss with Members

Question 27 : Equalization method which is done by tracking a slowly time varying channel response is
1. Preset equalization
2. Adaptive equalization
3. Variable equalization
4. None of the mentioned
View Answer   Discuss with Members

Question 28 : The _______ of the opening of eye pattern indicates the time over which the sampling for detection might be performed.
1. Length
2. Width
3. X-axis value
4. Y-axis value
View Answer   Discuss with Members

Question 29 : The term heterodyning refers to
1. Frequency conversion
2. Frequency mixing
3. Frequency conversion & mixing
4. None of the mentioned
View Answer   Discuss with Members

Question 30 : If the filter's tap weight remains fixed during transmission of data, then the equalization is called as
1. Preset equalization
2. Adaptive equalization
3. Fixed equalization
4. None of the mentioned
View Answer   Discuss with Members