UNIT 1:
Kepler‟s Laws, Newton‟s law,
orbital parameters, orbital perturbations
Launch vehicles and Propulsion
geo stationary and non Geo-stationary orbits
Look Angle Determination- Limits of visibility
UNIT 2:
Spacecraft Technology- Structure, Primary power, Attitude and Orbit control,
rimary power, Attitude and Orbit control,
Thermal control and Propulsion
elemetry, Tracking and command.
ommunication Payload and supporting subsystems
Satellite uplink and downlink Analysis and Design
performance impairments-system noise, inter modulation and interference,
System reliability and design lifetime.
Propagation Characteristics and Frequency considerations-
nk budget, E/N calculation-
UNIT 3:
ntroduction – Receive – Only home TV systems –
Problems – Equivalent isotropic radiated power – Transmission losses
Free-space transmission – Feeder losses – Antenna misalignment losses – Fixed atmospheric and ionospheric losses – Link power budget equation
Outdoor unit – Indoor unit for analog (FM) TV – Master antenna TV system
ystem noise – Antenna noise – Amplifier noise temperature
Noise temperature of absorptive networks – Overall system noise temperature – Carrierto- Noise ratio
Uplink – Saturation flux density – Input back off
satellite TWTA output – Effects of rain
UNIT 4:
Modulation and Multiplexing: Voice, Data, Video, Analog
igital transmission system,
Spread Spectrum communication, compression – encryption.
UNIT 5:
INTELSAT Series, INSAT, VSAT
INMARSAT, LEO, MEO, Satellite Navigational System.
Direct Broadcast satellites (DBS)-
Mobile satellite services: GSM, GPS,
GRAMSAT, Specialized services
GRAMSAT, Specialized services
E –mail, Video conferencing, Internet.
Digital audio broadcast (DAB)- Worldspace services,
Digital audio broadcast (DAB)- Worldspace services,
