EC8094 Satellite Communication
Important questions
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UNIT 1
- Equation for Satellite orbit**
- Types of orbit full topic
- Satellite lauch vehicle
- Liquid propulsion system
- Space segment for Satellite system
- Tracking satellite ,function of TTC system**
- Transponders,satellite attitude &control*
- EIRP,Antenna gain measurement related problems(read all formulas final equation atleast to attend sums properly)**
- Satelllite uplink&downlink analysis,design&link budget **
- TDMA,CDMA**
- FDMA/TDMA(Broad signal processing)
- Tranmitter receiver earth stations*
- coding schemes(Rare)
- LEO,MEO ,(DBS/DTH)broadcasting satellite** or
- GPS full topic **
**Problems may be asked based on this topic nd IMPORTANT Question
Read all formulas final equation atleast to attend sums properly)**
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*These questions are expected for the exams This may or may not be asked for exams All the best.... from admin Santhosh
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Kepler‟s Laws, Newton‟s law, orbital parameters, orbital perturbations, station keeping, geo stationary and non Geo-stationary orbits – Look Angle Determination- Limits of visibility – eclipse-Sub satellite point –Sun transit outage-Launching Procedures - launch vehicles and propulsion.
UNIT II SPACE SEGMENT
Spacecraft Technology- Structure, Primary power, Attitude and Orbit control, Thermal control and Propulsion, communication Payload and supporting subsystems, Telemetry, Tracking and command-Transponders-The Antenna Subsystem.
UNIT III SATELLITE LINK DESIGN
Basic link analysis, Interference analysis, Rain induced attenuation and interference, Ionospheric characteristics, Link Design with and without frequency reuse.
UNIT IV SATELLITE ACCESS AND CODING METHODS
Modulation and Multiplexing: Voice, Data, Video, Analog – digital transmission system, Digital video Broadcast, multiple access: FDMA, TDMA, CDMA, DAMA Assignment Methods, compression – encryption, Coding Schemes.
UNIT VSATELLITE APPLICATIONS
INTELSAT Series, INSAT, VSAT, Mobile satellite services: GSM, GPS, INMARSAT, LEO, MEO, Satellite Navigational System. GPS Position Location Principles, Differential GPS, Direct Broadcast satellites (DBS/DTH).
Kepler‟s Laws, Newton‟s law, orbital parameters, orbital perturbations, station keeping, geo stationary and non Geo-stationary orbits – Look Angle Determination- Limits of visibility – eclipse-Sub satellite point –Sun transit outage-Launching Procedures - launch vehicles and propulsion.
UNIT II SPACE SEGMENT
Spacecraft Technology- Structure, Primary power, Attitude and Orbit control, Thermal control and Propulsion, communication Payload and supporting subsystems, Telemetry, Tracking and command-Transponders-The Antenna Subsystem.
UNIT III SATELLITE LINK DESIGN
Modulation and Multiplexing: Voice, Data, Video, Analog – digital transmission system, Digital video Broadcast, multiple access: FDMA, TDMA, CDMA, DAMA Assignment Methods, compression – encryption, Coding Schemes.
UNIT VSATELLITE APPLICATIONS
INTELSAT Series, INSAT, VSAT, Mobile satellite services: GSM, GPS, INMARSAT, LEO, MEO, Satellite Navigational System. GPS Position Location Principles, Differential GPS, Direct Broadcast satellites (DBS/DTH).