This course provides an understanding of satellite communications specifically relating to military ground vehicles, Maritime and Airborne platforms. Each topic is illustrated by examples, using published data for actual satellite communications systems.
EXPECTED ACCOMPLISHMENTS
- Understand orbital mechanics and orbit categorization.
- List satellite frequency bands and identify areas of application
- Identify key tropospheric and ionospheric effects that impact wave propagation
- Perform a sample link design
- Examine methods used to improve satellite signal reception
- Examine how choice of modulation and coding impacts link design
- Step through satellite launch considerations.
- Calculate the satellite look angle
- Outline the role of the various satellite and earth station subsystems.
- Compare and contrast the different satellite access techniques
- Explain the impact of intermodulation and explore methods used to reduce it
TARGET AUDIENCE
Engineers, Technicians, Support Staff and Managers involved in the planning and deployment of maintenance of Satellite networks
COURSE DETAILS
Introduction
- Global Market and trends
- Satellite services: FSS, BSS and MSS
- Evolution of SOTM
Orbital Mechanics
- Two body system, Kepler’s laws
- Van Allen belts
- Trajectories and period
- Orbital classification: LEO, MEO, GEO and HEO
- Special orbits: Sun-Synchronous & Molniya
- Constellation Architecture
- Effects of Launch Site Latitude
- Parking and Transfer orbits
- Launch Scenarios
Spacecraft Subsystems
- Lifetime and reliability
- Spacecraft configurations
- Transponders
- Antenna subsystem
- Spacecraft bus
Related Training
- RF Crash Course
Earth Segment
- Subsystems
- EIRP and G/T
- Co-ordinate systems
- Elevation, Azimuth and Range determination
Working Principle of SOTM
- Composition of SOTM Systems
- Communication System
- Antenna System
- Antenna Radiation patterns
- Gain, Beam solid angle and directivity
- Aperture antennas and arrays
- Cassegrain, Gregorian and Offset Fed Antennas
- Antenna and Feeders
- Dual Frequency, Dual Polarization High Gain Planar Antenna Array
- Stereo transmission line (Planar antenna array)
- Planar transmission line (micro strip) antenna
- Measurement and Control System
- Gyroscope
- Accelerometer and Inclinometer