1
Q
Describe Neutralisation.
A
The deliberate use of electromagnetic energy to either temporarily
or permanently damage enemy’s devices which rely exclusively
on the electromagnetic spectrum.
Primarily through use of Directed energy.
2
Q
Explain Open Loop Jammers.
A
Directs generic beam at the missile seeker to jam it.
3
Q
Explain Closed Loop Jammers.
operation
A
- Referred as ‘Smart DIRCM’.
- Bounces laser energy off missile’s seeker;
- Analyses to determine type of seeker;
- Then selects laser modulation most effective in countering particular type of seeker.
- More flexible & better able to cope with new seeker designs.
- Rely on a MAWS to determine missile’s relative bearing for energy to be aimed at.
4
Q
GRCCI
Describe Hot Brick IR Jammers
A
- Generic waveform against all threats.
- Require prior knowledge of a specific missile.
- Can not change modulation in real time.
- Consume large amounts of power.
- Ineffective against modern IR missiles;
– Complex scan patterns,
– Counter modulated signals.
5
Q
Describe Arc Plasma IR Jammers
A
- More complex than Hot Brick types.
- Flexible modulation in real time.
- Ineffective against modern IR missiles;
– Complex scan patterns,
– Counter modulated signals.
6
Q
DPVC
Describe DIRCM IR Jammers
A
- Direct high power narrow beam IR laser into missile seeker.
- Produce flexible modulation.
- Very large Jam to signal ratio.
- Consume very little power (<5W).
7
Q
What are the two main groups of IR Jammers
A
– Omni-Directional &,
– Directional.
