What is the primary reason for using a high-gain antenna in satellite communication?

• To reduce the noise in the signal

• To increase the bandwidth of the signal

• To focus the signal in a particular direction

• To minimize power consumption

Which of the following is a common modulation technique used in satellite communication?

• Amplitude Modulation (AM)

• Frequency Modulation (FM)

• Phase Shift Keying (PSK)

• Quadrature Amplitude Modulation (QAM)

In space signal processing, which of the following is a significant challenge?

• High data transmission speeds

• Signal attenuation due to atmospheric interference

• Signal delay due to large distances

• High power consumption in signal processing

What is the purpose of a Low Noise Amplifier (LNA) in a satellite receiver system?

• To increase the transmitted signal power

• To decrease the noise figure of the receiver

• To convert the signal from analog to digital

• To modulate the signal

Which type of orbit is typically used for communication satellites?

• Geostationary Orbit (GEO)

• Low Earth Orbit (LEO)

• Medium Earth Orbit (MEO)

• Polar Orbit

What is the term used for the effect of signal spreading as it passes through the ionosphere?

• Multipath fading

• Ionospheric dispersion

• Doppler shift

• Scintillation

Which component is essential for converting an analog signal to a digital signal in satellite communication systems?

• Mixer

• Low Noise Block (LNB)

• Analog-to-Digital Converter (ADC)

• Modulator

Why is frequency reuse important in satellite communication?

• To improve signal quality

• To increase bandwidth efficiency

• To reduce interference

• To simplify signal processing

In satellite communication, what does the term 'footprint' refer to?

• The amount of data a satellite can handle

• The area on the Earth's surface covered by a satellite's signal

• The physical size of a satellite

• The power consumption of a satellite

What is a major factor that affects signal propagation in space?

• Atmospheric pressure

• Solar radiation

• Gravitational pull

• Cosmic noise