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Military Avionics
Short course
In Bedfordshire ()
Description
-
Type
Short course
These systems exploit a wide-range of the electromagnetic spectrum using a wide variety of technologies. However, they must all be integrated onto a fighting platform so as to enhance the awareness and effectiveness of the crew but in a manner which eases aircrew work load. This course provides the students with an understanding of military sensor, communication and navigation avionic systems, the electronic threat to such systems and how they may be protected.
Reviews
Subjects
- Military
- GPS
- Satellite
- Radar
- Communications
- Systems
- Communication Training
Course programme
On successful completion of the course the student will be able to:
- Describe the operation of avionic communications, radar and electro-optic sensors and displays and navigation systems, relating the performance of such systems to design characteristics and parameters and to the environment
- Identify the main electronic support and attack threats to airborne radar and electro-optic sensors and communication systems and propose defence measures to counter these threats
- Analyse and evaluate the effect of an electronic attack on an avionics system (communications, radar and electro-optic sensors) and quantify the impact of electronic defence.
Core content
Military Airborne Radar
- Comparison with other sensors; bands of operation; pulse ranging; low PRF pulsed parameters; detection theory; radar cross section; noise and clutter; pulse Doppler techniques; tracking radar; applications – Airborne FCR/AI, AEW, SAR/GMTI, altimeters.
Airborne radar EW
- Basic concepts; signal intercept; noise jammers; stealers; passive decoys (chaff); active decoys; EA against tracking radars; ED of tracking radars.
Digital and Satellite Communications
- Introduction to analogue voice communications for air-to-air and air-to-ground communications; frequency bands used, propagation, link budget calculations, types of military radio system in common use; introduction to digital communications on airborne platforms; modern military digital radio systems, eg. Saturn, Havequick etc.; introduction to cryptography, platform-mounted-antennas at HF, VHF and UHF; introduction to satellite communications – basic concepts, Skynet IV and V, satellite communications to airborne platforms.
Communications EW
- Introduction to Communications EW; overview of methods of surveillance, attack and defence; examples of application of Comms EW in airborne systems.
Airborne EO/IR Sensors
- EO/IR in context; basic optics; atmospheric propagation; signature and scene generation; image intensifers; thermal imagers; missile seeker systems.
Laser Applications and DEW
- The laser principle, population inversion, spontaneous and stimulated emission; different laser types (gas, solid state, tuneable), pulsed/CW operation and energy levels; laser range finding, active laser target illumination; EO sensor detection via retro reflection; laser dazzle and damage of EO sensors.
Displays (head up/down, helmet)
- Generic types, head-up, head-down, helmet mounted.
GPS
- Principles of operation of GPS; errors; signal structure; EW vulnerabilities; modernisation programme.
Inertial Navigation
- Inertial Sensors – accelerometers, angle and rate gyroscopes; inertial navigation – principles of stable platform and strapdown INS; co-ordinate systems – local level (LLIN) and space stable (SSIN) systems; inertial, earth and geodetic based coordinate bases; GPS/INS integration.
Terrain Based Navigation
- Introduction – the need for terrain based systems; methods – TerCoM (Terrain Contour Matching), DSMAC (Digital Scene Matching Area Correlation), TCM (Terrain Characteristic Matching).
Military Avionics