Satellite Communication MCQ Questions & Answers

Section 1 Section 2 Section 3

71.
Wide-banding technique is employed in the

A. Video amplifier of a TV receiver

B. IF amplifier of an FM receivers

C. RF amplifier of an am receiver

D. Input section of a communication receiver

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72.
Which of the following can be used to improve range resolution in a Radar?

A. Short duration pulse

B. Long duration pulse

C. High frequency of operating signal

D. Increasing pulse width

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73.
If 'r' is the radius of circular orbit then the orbital period of a satellite is directly proportional to:

A. $${{\text{r}}^{\frac{3}{2}}}$$

B. $${{\text{r}}^{\frac{1}{3}}}$$

C. $${{\text{r}}^{\frac{1}{2}}}$$

D. $${{\text{r}}^{\frac{2}{3}}}$$

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74.
What is the maximum signal propagation time for a geosynchronous satellite transmission system?

A. 140 ms

B. 220 ms

C. 280 ms

D. 560 ms

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75.
Blind speed problem can be overcome by

A. Changing Doppler frequency

B. MTI

C. Monopoles

D. Varying PRF

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76.
Basic transmission loss in decibels for a synchronous satellite signal for uplink frequency of 6 GHz would be

A. 184

B. 200

C. 92

D. 60

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77.
In Satellite communication, a repeater is placed between

A. many transmitting stations and many receiving station

B. many transmitting stations and one receiving station

C. one transmitting station and many receiving station

D. one transmitting station and one receiving station

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78.
Relationship between Doppler frequency shifts of two radars A and B having 0.1 foot and 0.05 foot wave-lengths, approaching the target at 1000 feet per second and 2000 feet per second rate, respectively, will be

A. Doppler frequency shift of radar A will be one-fourth of Doppler frequency shift of radar B

B. Doppler frequency shift of radar A will be one-half of Doppler frequency shift of radar B

C. Doppler frequency shift of radar A will be double of Doppler frequency shift of radar B

D. Doppler frequency shifts of radar A and radar B will be same

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79.
In CW radar, which tracking technique is used as primary means of resolving targets?

A. Doppler tracking

B. Range tracking

C. Angle tracking

D. Line tracking

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80.
An advantage of passive satellites is that they do not require sophisticated electronic equipment on board, although they are not necessary void of power. Some passive satellites require which one of the following for tracking and ranging purposes?

A. Radio beacon transmitter

B. Defense launched courier

C. Radio beacon receiver

D. Satellite beacon launcher

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Satellite Communication MCQ Questions & Answers | ECE

71. Wide-banding technique is employed in the

Answer & Solution

72. Which of the following can be used to improve range resolution in a Radar?

Answer & Solution

73. If 'r' is the radius of circular orbit then the orbital period of a satellite is directly proportional to:

Answer & Solution

74. What is the maximum signal propagation time for a geosynchronous satellite transmission system?

Answer & Solution

75. Blind speed problem can be overcome by

Answer & Solution

76. Basic transmission loss in decibels for a synchronous satellite signal for uplink frequency of 6 GHz would be

Answer & Solution

77. In Satellite communication, a repeater is placed between

Answer & Solution

78. Relationship between Doppler frequency shifts of two radars A and B having 0.1 foot and 0.05 foot wave-lengths, approaching the target at 1000 feet per second and 2000 feet per second rate, respectively, will be

Answer & Solution

79. In CW radar, which tracking technique is used as primary means of resolving targets?

Answer & Solution

80. An advantage of passive satellites is that they do not require sophisticated electronic equipment on board, although they are not necessary void of power. Some passive satellites require which one of the following for tracking and ranging purposes?

Answer & Solution

Read More Section(Satellite Communication)

71.
Wide-banding technique is employed in the

72.
Which of the following can be used to improve range resolution in a Radar?

73.
If 'r' is the radius of circular orbit then the orbital period of a satellite is directly proportional to:

74.
What is the maximum signal propagation time for a geosynchronous satellite transmission system?

75.
Blind speed problem can be overcome by

76.
Basic transmission loss in decibels for a synchronous satellite signal for uplink frequency of 6 GHz would be

77.
In Satellite communication, a repeater is placed between

78.
Relationship between Doppler frequency shifts of two radars A and B having 0.1 foot and 0.05 foot wave-lengths, approaching the target at 1000 feet per second and 2000 feet per second rate, respectively, will be

79.
In CW radar, which tracking technique is used as primary means of resolving targets?

80.
An advantage of passive satellites is that they do not require sophisticated electronic equipment on board, although they are not necessary void of power. Some passive satellites require which one of the following for tracking and ranging purposes?