User contributions
22 January 2018
Radio Regulations
Created page with "As part of any radio transmissions, be it the uplink of data from the ground station to the satellite or the downlink or beacon coming from satellite, there are some restricti..."
Interdependence on other subsystems
Created page with "Satellite consists of many subsystems and when these subsystems come together they make a system “Satellite”. These subsystems exist due to the idea of distribution of wor..."
Role of Communications
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-262
Role of Communications
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+2
Role of Communications
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-1
Role of Communications
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+1
Role of Communications
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Role of Communications
Created page with "The Communications subsystem interfaces with other subsystems in a satellite, mainly electrical to transmit data from satellite to ground station and vice versa. From a physic..."
Need for Communications
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+90
Need for Communications
Created page with "Communications Subsystem is one of the major subsystems of the Satellite system responsible for establishing link for information transfer between the satellite and the ground..."
Communications Subsystem
Created page with "''All the articles in this segment of the Satellite 101 Wiki have been contributed by Chaitanya Jain, Shashank Verma, Dhrumil Shah, Anuj Kuruwa, Om Kolhe, Tanmay Patil, Ashish..."
Mechanical Subsystem
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+487
Protection
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+88
Protection
Created page with "Since the space environment is very harsh compared to the environment on the earth, with rapid changes in temperature, high levels of radiation etc., it is required to take pr..."
21 January 2018
Electrical Subsystem
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+4
OS Selection
Created page with "According to wikipedia Operating System is defined as “An operating system (OS) is system software that manages computer hardware and software resources and provides common..."
20 January 2018
Memory Selection
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-1
Memory Selection
Created page with "There should be enough memory on board to store flight software, payload data, health monitoring data,etc. And enough RAM to execute all the software. Different type of memori..."
Electrical Subsystem
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+73
Processor
Interfacing a Processor
+51
Processor
Interfacing a Processor
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Processor
Created page with "We need a processor for the different subsystem that can execute the onboard programs in a reasonable way. The compulsory tasks of the satellite (power control, communication,..."
Electrical Subsystem
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+96
Flight Code
Created page with "The flight code of the satellite is expected to perform the following functions: === Scheduling=== Flight code has to contain the scheduling of all events, i.e. the order in w..."
Electrical Subsystem
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+19
Data Budget
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+94
Data Budget
Created page with "Data budget is tabulated calculation of data being generated in a system, data being stored and memory allocation for the same. The amount of data to be processed in every ite..."
Electrical Subsystem
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+104
Power Budget
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+80
Power Budget
Created page with "Power budget is power utilisation and consumption calculation associated with a system. It can be seen as net power balance of the system while in operation. The power generat..."
Electrical Subsystem
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+19
On-Board Computer (OBC)
Created page with "The On-Board Computer (OBC) is the brain of the satellite. OBC is responsible for implementation of control law, processing associated with payload, data packeting activities..."
Power
Created page with "Power subsystem ensures regulated power supply required for payload, communication, attitude determination and control of the satellite etc. Power subsystem ensures generation..."
Electrical Subsystem
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+8
Introduction to Electrical Subsystem
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Generating Payload Ideas
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-53
Generating Payload Ideas
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+54
Electrical Subsystem
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+306
19 January 2018
Electrical Subsystem
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+250
Satellite 101
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+531
What is a frame?
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-1
Attitude Determination and Control Subsystem
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+196
What is a frame?
Created page with "A frame of reference is a co-ordinate system with respect to which we make observations. An inertial frame of reference is one in which Newton's laws of motion are valid. A f..."
Attitude Determination and Control Subsystem
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+73
Requirements by ADCS on other Subsystems
Created page with "ADCS primarily places the following requirements: #The onboard computer should be capable of estimating of attitude and providing control in a short enough time so that system..."
Requirements on ADCS by other Subsystems
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+109
Requirements on ADCS by other Subsystems
Created page with "#The payload can require the satellite to maintain certain attitude for success. For example, an imaging payload can require the imager to point towards the object which it is..."
Attitude Determination and Control Subsystem
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Components of ADCS
Created page with "Attitude Determination and Control Subsystem can be thought of as comprising of following parts. ===Sensors and Estimators:=== Sensors are instruments which measure various..."