Almost as soon as military radio systems began to make use of
the electromagnetic spectrum at the beginning of the twentieth century,
means have been sought to exploit the transmissions of an adversary, or
even to prevent an adversary from using the spectrum. These means are
collectively known as electronic warfare (EW): communications EW, and
non-communications EW, based on whether the target is an adversary
communications system or some other user of the electromagnetic
spectrum.
This book covers both
communications EW and non-communications EW. Because of the significant
differences in the two areas, each is covered in its own part. Within
each part, both target systems and EW are covered, following the basic
three-way subdivision of EW into electronic support, electronic attack,
and electronic protection.
The first part of the
book deals with communications EW. Chapter 1 describes the operational
environment and Chapter 2 discusses the targets of tactical
communications electronic warfare—the communications systems that
underpin the ability of a tactical commander to command and control.
Chapter 3 concentrates on electronic protection, which comprises those
actions taken to protect friendly equipment from any adverse
electromagnetic effects. In Chapter 4 we describe electronic support,
which is the component of electronic warfare that is involved with the
identification of sources of intentional and unintentional radiation of
electromagnetic energy by an adversary. Electronic attack is the focus
of Chapter 5, which describes the issues associated with the use of
electromagnetic energy to attack adversary equipment with the intent of
degrading, neutralizing, or destroying adversary combat capability.
Chapter 6 provides a description of the organisation of land EW units
and the planning processes required for the deployment of electronic
warfare capabilities on the battlefield.
The second part of
this book deals with non-communications EW. Chapter 7 builds on the
framework given in Chapter 1 to introduce the threats, environments, and
systems commonly seen in non-communications EW. Chapter 8 then
introduces radar fundamentals. Chapter 9 describes non-communications
electronic support, including system performance measures, antennas,
receivers, direction finding, and support issues. In Chapter 10 we
address electronic attack against radars, including decoys and chaff,
power calculations, and noise and deception jamming. Countermeasures to
infrared homing missiles are the subject of Chapter 11. Warning systems
to detect inbound missiles and laser energy are the focus of Chapter 12.
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