JED - August 2013 - 50

E W101
The July 2013 “EW 101” column discussed imaging trackers,
for which the energy patterns are
much different. This complicates
the jamming approaches available,
and this subject will be discussed
in a later column.

Missile
Detector

IR or UV energy

from missile

Missile
Location

Laser Jammers
Figure 6 shows another type
Telescope
of IR jammer, capable of generatLaser
ing very high J/S. In this type of
jammer, an IR laser generates the
required jamming energy pattern,
Figure 6: A laser-based jammer detects and locates the missile. The laser is modulated with the proper
and it is directed at the attacking
jamming waveform and the telescope directs the laser jamming signal at the missile.
missile with a steered telescope.
tracking capability. This function can be performed by a radar,
These jammers are called Directed Infrared Countermeasures
but the jamming system most often locates and tracks the mis(DIRCM) systems. There are several current programs using
sile through the ultraviolet (UV) energy of its plume or the IR
this technique, including: Advanced Threat Infrared Countersignature of the missile from aerodynamic heating. Whatever
measures (AITRCM), Large Aircraft IRCM (LAIRCM) and others.
the technique, the missile must be located accurately enough
The telescope allows a very high level of IR energy to be placed
for the jammer’s telescope to get enough IR energy into the
into the missile’s tracker (i.e., high J/S), but causes two sigmissile tracker to create the required J/S level.
nificant requirements on the jamming system.
First, the laser must generate signals at the correct wavelength to be accepted by the missile tracker. This requires
What‘s Next
multiple wavelength operation. Second, the system must know
Next month we will continue our discussion of IR jamwhere the missile is located in order for the telescope to be
mers. For your comments and suggestions, Dave Adamy can be
properly oriented. Thus, the system must incorporate a missile
reached at dave@lynxpub.com. a

The Journal of Electronic Defense | August 2013

50

2013 AOC Land EW Conference
Innovation and Demonstration
DECEMBER 10-11, QUANTICO, VA
Due to protracted acquisitions and traditional doctrinal warfare solutions there is a
lack of exposure or appreciation for the cutting-edge innovation and technological
development resulting in missed opportunities to provide warfighters the most up-todate spectrum and information related capabilities.
The 2013 Land EW Conference, “Innovation and Demonstration,” provides a forum for
government and commercial attendees to both appreciate the latest innovations and/or
witness how these tactics may be implemented.
DAY ONE: Sessions will cover the most cutting-edge technologies or organizational
models whether in theory or some stage of practical development.
DAY TWO: Second day will focus on demonstrations of technologies or
organizational practices that are beyond the theoretical. In either case the intent is for
attendees to appreciate the art of the possible and the practical.
NOTE: This conference is tentatively planned and subject to approval. Confirmation will be announced by the
AOC sometime in the future.

VISIT WWW.CROWS.ORG FOR MORE INFORMATION.


http://WWW.CROWS.ORG http://www.naylornetwork.com/jed-nxt/index.asp

JED - August 2013

Table of Contents for the Digital Edition of JED - August 2013

The View From Here
Conferences Calendar
Courses Calendar
From The President
Letters
The Monitor
Washington Report
World Report
The Spectrum Management Challenge: Creating Order From Chaos
Technology Survey: ELINT Receivers
EW 101
AOC News
Index of Advertisers
JED Quick Look
JED - August 2013 - cover1
JED - August 2013 - cover2
JED - August 2013 - 3
JED - August 2013 - 4
JED - August 2013 - 5
JED - August 2013 - The View From Here
JED - August 2013 - 7
JED - August 2013 - Conferences Calendar
JED - August 2013 - 9
JED - August 2013 - Courses Calendar
JED - August 2013 - 11
JED - August 2013 - From The President
JED - August 2013 - 13
JED - August 2013 - Letters
JED - August 2013 - The Monitor
JED - August 2013 - 16
JED - August 2013 - 17
JED - August 2013 - 18
JED - August 2013 - 19
JED - August 2013 - 20
JED - August 2013 - 21
JED - August 2013 - Washington Report
JED - August 2013 - 23
JED - August 2013 - World Report
JED - August 2013 - 25
JED - August 2013 - 26
JED - August 2013 - 27
JED - August 2013 - The Spectrum Management Challenge: Creating Order From Chaos
JED - August 2013 - 29
JED - August 2013 - 30
JED - August 2013 - 31
JED - August 2013 - 32
JED - August 2013 - 33
JED - August 2013 - 34
JED - August 2013 - 35
JED - August 2013 - 36
JED - August 2013 - Technology Survey: ELINT Receivers
JED - August 2013 - 38
JED - August 2013 - 39
JED - August 2013 - 40
JED - August 2013 - 41
JED - August 2013 - 42
JED - August 2013 - 43
JED - August 2013 - 44
JED - August 2013 - 45
JED - August 2013 - 46
JED - August 2013 - 47
JED - August 2013 - EW 101
JED - August 2013 - 49
JED - August 2013 - 50
JED - August 2013 - AOC News
JED - August 2013 - 52
JED - August 2013 - Index of Advertisers
JED - August 2013 - JED Quick Look
JED - August 2013 - cover3
JED - August 2013 - cover4
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