What are the components in space segment?
The space segment of an artificial satellite system is one of its three operational components (the others being the user and ground segments). It comprises the satellite or satellite constellation and the uplink and downlink satellite links.
What are the sub systems in the space?
Upon completion of this chapter you will be able to describe the role of typical spacecraft subsystems: structural, thermal, mechanical devices, data handling, attitude and articulation control, telecommunications, electrical power and distribution, and propulsion.
What is the meaning of space segment?
(10) Space segment The term “space segment” means the satellites, and the tracking, telemetry, command, control, monitoring and related facilities and equipment used to support the operation of satellites owned or leased by INTELSAT, Inmarsat, or a separated entity or successor entity.
What are the 3 elements of a space system?
Typically, a space architecture can be broken down into main three physical parts: the space segment, the launch segment, and ground segment.
How does space segment work?
The main functions of the Space Segment are to transmit radio-navigation signals, and to store and retransmit the navigation message sent by the Control Segment. These transmissions are controlled by highly stable atomic clocks on board the satellites.
What is space segment and ground segment?
A ground segment consists of all the ground-based elements of a spacecraft system used by operators and support personnel, as opposed to the space segment and user segment. The ground segment enables management of a spacecraft, and distribution of payload data and telemetry among interested parties on the ground.
What is subsystem and types of subsystem?
A subsystem is a single, predefined operating environment through which the system coordinates the work flow and resource use. The system can contain several subsystems, all operating independently of each other. Subsystems manage resources. All jobs, with the exception of system jobs, run within subsystems.
What is an example of a subsystem?
A unit or device that is part of a larger system. For example, a disk subsystem is a part of a computer system. A bus is a part of the computer. A subsystem usually refers to hardware, but it may be used to describe software.
What is electrical power subsystem?
The power subsystem comprises all components that deliver power to attached instruments and sensors, beginning with the power feed equipment and ending with the final output voltage converter and filters. Either constant current or constant voltage power feeding may be used.
Which of the following indicate the functioning of the space segment?
Explanation: The functioning of the space segment is to use the navigational signals and retransmit the navigational message sent by the control segment. These can be controlled by atomic clocks placed on the satellites.
Why transponders is the most important subsystem of space segment subsystems?
The subsystem, which provides the connecting link between transmitting and receiving antennas of a satellite is known as Transponder. It is one of the most important subsystem of space segment subsystems. Transponder performs the functions of both transmitter and receiver (Responder) in a satellite.
What are examples of subsystems?
Subsystem definition A unit or device that is part of a larger system. For example, a disk subsystem is a part of a computer system. A bus is a part of the computer. A subsystem usually refers to hardware, but it may be used to describe software.
What is space segment?
The space segment is designed to receive, store and retransmit the radio signals forwarded by the control segment. The satellite orbiting in space forms a major unit of space segment however, the equipment which carries the satellite into space is classified according to their respective function.
What are the subsystems present in Earth segment?
Earth stations are the major subsystems that are present in earth segment. We will discuss about all these subsystems of space segment and earth segment in following chapters.
What are the subsystems of satellite communication?
Satellite Communication – Subsystems. In satellite communication system, various operations take place. Among which, the main operations are orbit controlling, altitude of satellite, monitoring and controlling of other subsystems. A satellite communication consists of mainly two segments. Those are space segment and earth segment.
How does the communication take place between space segment and Earth segment?
As shown in the figure, the communication takes place between space segment subsystems and earth segment subsystems through communication links. The subsystems present in space segment are called as space segment subsystems. Following are the space segment subsystems.