SATELLITE COMMUNICATIONS PRESENTATION

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Pre-Exam Cramming
Satellite Presentation

Presenter: Mr. Andrew Cordery BSc. (Hons) Sys. Dip Eng. Cert. Ed.

25 Years experience in delivering technical; Lectures, Seminars and Workshops in Europe and the Middle East for Schools, Colleges and Industry.

Associate Technical Consultant with EuroMaTech Seminars in Europe and Middle East.

Delivery
Satellite Course Delivery Description
Audience aimed at
Presentation Short graphically stimulating Multimedia Presentations and demos. Large audience, Schools & Colleges.
Lecture Multimedia with relevent handouts & students taking notes. Students studying related topics.
Seminar Multimedia Presentations with discussions and manual. Small Group, Industry & Business.

Satellites and their Orbits

• Historical introduction to the ‘Satellite’.
• Comparing the Geostationary with the Polar orbit.
• List the essential components that make up an operational satellite.
• Getting a satellite into orbit.
• Understanding the orbit parameters.
• Keeping a satellite in the correct position.
• Generating Electrical Power.
• Producing and shaping a footprint.
• Aligning antennas to Earth.

Satellite Ground Stations

• Examine the distribution of the Radio Frequency Spectrum.
• Compare the characteristics of different frequency bands.
• Relate receiving antennas to frequency bands and bandwidth.
• Understand Modulation Techniques (Amplitude, frequency and Phase).
• Understand how to use EIRP ‘Footprint’ data and determine dish size.
• Understand LNB properties and polarisation techniques.
• Understand the term ‘Signal to Noise Ratio’
• Aligning concentric, offset and rotating dishes.
• Predicting and compensating for signal loss.

Environmental, Military and Commercial Uses

• Examine the characteristics of Electro-Magnetic Waves.
• Understand Remote Sensing techniques.
• Interpret environmental imaging data.
• Appreciate the tasks performed by weather satellites.
• Interpret Meteorological images obtained from remote sensors.
• Understand how Global Satellite Positioning works.
• Appreciate the effects of Real Time signal delay.
• Positional error correction methods.
• Appreciating present limitations of positioning.

Microwave Communications and Communication Satellites

• The waveguide as a transmission median.
• Identification and use of the Waveguide
• Understanding Signal Attenuation.
• Appreciating the need for Microwave Repeaters
• Identifying the critical waveguide dimensions
• Appreciate Health and safety issues related to microwaves.
• Microwave versus optical fibre, land-line and satellite.
• Evolution of Satellite TV.
• Comparing different analogue systems.
• Introduction to High Definition TV.
• Understanding Digital transmission theory.
• Applying MPEG techniques.
• Understanding Analogue and Digital Encryption techniques.

Future developments and Management Issues

• Understanding Differential GPS.
• Future GPS: The Galileo project.
• Advances in propulsion.
• VSAT: Broadband via satellite.
• Commercial Case Study: SpotImage company.
• Earth Station scheduled maintenance and equipment.
• Sun spot and sun alignment problems.
• Signal distribution using Optical Fibre.
• Forum on future developments and applications.

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