Military Avionics Systems
Military Avionics Systems
# 2006 John Wiley & Sons, Ltd. ISBN: 0-470-01632-9
Ian Moir and Allan G. Seabridge
Military Avionics Systems
Ian Moir
Allan G. Seabridge
Displays chapter contributed by Malcolm Jukes
Copyright # 2006
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Library of Congress Cataloging-in-Publication Data
Moir, I. (Ian)
Military avionics systems/Ian Moir.
p. cm.
‘‘Displays chapter contributed by Malcom Jukes.’’
Includes bibliographical references and index.
ISBN 0-470-01632-9 (cloth : alk. paper)
1. Avionics. 2. Airplanes, Military–Electronic equipment.
3. Electronics in military engineering.
I. Jukes, Malcom.
UG1420.M565 2006
623.7406049–dc22
II. Title.
2005031935
British Library Cataloguing in Publication Data
A catalogue record for this book is available from the British Library
ISBN-13 978-0-470-01632-9 (HB)
ISBN-10 0-470-01632-9 (HB)
Typeset in 10/12pt Times by Thomson Press (India) Limited, New Delhi.
Printed and bound in Great Britain by Antony Rowe Ltd, Chippenham, Wiltshire
This book is printed on acid-free paper responsibly manufactured from sustainable forestry
in which at least two trees are planted for each one used for paper production.
Contents
Series preface
Acknowledgements
About the authors
Introduction
1 Military roles
Introduction
1.1
1.2 Air superiority
1.2.1
1.2.2
1.2.3
1.2.4
1.2.5
Role description
Key performance characteristics
Crew complement
Systems architecture
Air superiority – aircraft types
1.3 Ground attack
1.3.1
1.3.2
1.3.3
1.3.4
1.3.5
Role description
Key performance characteristics
Crew complement
Systems architecture
Ground attack – aircraft types
1.4 Strategic bomber
1.4.1
1.4.2
1.4.3
1.4.4
1.4.5
Role description
Key performance characteristics
Crew complement
Systems architecture
Strategic bomber – aircraft types
1.5 Maritime patrol
1.5.1
1.5.2
1.5.3
1.5.4
Role description
Anti-surface unit warfare (ASuW) role
Anti-submarine warfare (ASW) role
Search and rescue (SAR) role
1.5.4.1
Datum searches
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CONTENTS
Area searches
Scene-of-action commander
1.5.5
1.5.4.2
1.5.4.3
Exclusive economic zone protection
1.5.5.1
1.5.5.2
1.5.5.3
1.5.5.4
Key performance characteristics
Crew complement
Systems architecture
Oil and gas rig patrols
Anti-pollution
Fishery protection
Customs and excise cooperation
1.5.6
1.5.7
1.5.8
1.5.9 MPA aircraft types
1.6 Battlefield surveillance
1.6.1
1.6.2
1.6.3
1.6.4
1.6.5
Role description
Key performance characteristics
Crew complement
Systems architecture
Battlefield surveillance aircraft types
1.7 Airborne early warning
1.7.1
1.7.2
1.7.3
1.7.4
1.7.5
Role description
Key performance characteristics
Crew complement
Systems architecture
AEW aircraft types
1.8 Electronic warfare
1.8.1
1.8.2
1.8.3
1.8.4
1.8.5
1.8.6
1.8.7
1.8.8
Role description
Electronic countermeasures
Electronic support measures
Signals intelligence (SIGINT)
Key performance characteristics
Crew complement
Systems architecture
Example aircraft types
1.9 Photographic reconnaissance
1.9.1
1.9.2
1.9.3
1.9.4
1.9.5
Role description
Key performance characteristics
Crew complement
Systems architecture
Typical aircraft types
1.10 Air-to-air refuelling
1.10.1 Role description
1.10.2 Key performance characteristics
1.10.3 Crew complement
1.10.4 Systems architecture
1.10.5 Aircraft types
1.11 Troop/materiel transport
1.11.1 Role description
1.11.2 Key performance characteristics
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CONTENTS
1.11.3 Crew complement
1.11.4 Systems architecture
1.11.5 Typical aircraft types
1.12 Unmanned air vehicles
1.13 Training
1.13.1 Typical aircraft types
1.14 Special roles
1.14.1 Examples of special roles
1.15 Summary
Further reading
2 Technology and architectures
2.1 Evolution of avionics architectures
2.1.1
2.1.2
2.1.3
2.1.4
2.1.5
2.1.6
2.1.7
2.1.8
Distributed analogue architecture
Distributed digital architecture
Federated digital architecture
Integrated modular architecture
Open architecture issues
Impact of digital systems
Response of the services to digital avionics systems issues
Need to embrace COTS
2.2 Aerospace-specific data buses
2.3
Tornado serial
ARINC 429
STANAG 3910
2.2.1
2.2.2
2.2.3 MIL-STD-1553B
2.2.4
JIAWG architecture
2.3.1
2.3.2
2.3.3
2.3.4
2.3.5
Generic JIAWG architecture
High-speed data bus
PI bus
TM bus
Obsolescence issues
2.4 COTS data buses
2.4.1
2.4.2
2.4.3
Fibre channel
Fibre channel options
IEEE 1394 firewire
2.5 Real-time operating systems
2.5.1
2.5.2
2.5.3
2.5.4
2.5.5
Key attributes
Safety
Software partitioning
Software languages
Security
2.6 RF integration
2.6.1
Primary radar evolution
2.6.1.1
2.6.1.2
2.6.1.3
Independent systems of the 1950s
Integrated systems of the 1960s and 1970s
Integrated modular architecture of the 1990s
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CONTENTS
2.6.2
JIAWG RF subsystem integration
2.7 Pave Pace/F-35 shared aperture architecture
References
3 Basic radar systems
3.1 Basic principles of radar
3.2 Radar antenna characteristics
3.3 Major radar modes
3.3.1
3.3.2
3.3.3
3.3.4
Air-to-air search
Air-to-air tracking
Air-to-air track-while-scan
Ground mapping
3.4 Antenna directional properties
3.5 Pulsed radar architecture
3.5.1
3.5.2
3.5.3
3.5.4
Pulsed radar components
3.5.1.1 Modulator
Transmitter
3.5.1.2
3.5.1.3
Antenna
Receiver
3.5.1.4
3.5.1.5
Video processor
Pulsed modulation
Receiver characteristics
3.5.3.1
3.5.3.2
Radar range equation
Noise
Clutter
3.6 Doppler radar
3.7 Other uses of radar
Frequency modulation ranging
Terrain-following radar
Continuous wave illumination
3.7.1
3.7.2
3.7.3
3.7.4 Multimode operation
3.8 Target tracking
3.8.1
3.8.2
Range tracking
Angle tracking
3.8.2.1
3.8.2.2
3.8.2.3 Monopulse
Sequential lobing
Conical scan
References
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4 Advanced radar systems
4.1 Pulse compression
4.1.1
4.1.2
Coherent transmission
Fourier transform
4.2 Pulsed Doppler operation
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Range ambiguities
143
Effect of the PRF on the frequency spectrum – Doppler ambiguities 144
Range and Doppler ambiguities
145
4.2.1
4.2.2
4.2.3