Sensors 13

Question 1

DEWS Definition?

Answer 1

Any equipment that enhances the ability of an aircraft to detect, locate, identify, avoid or defeat direct threats.

Question 2

DEWS Requirements?

Answer 2

1. OBSERVE continuously all activities in its environment.
2. DETECT possible threats
3. CHARACTERIZATION of threats
4. ALERT platform & dispense ECM

Question 3

DEWS components

Answer 3

1. RWR (RADAR WNG Rx)
2. MAWS (Missile Approach WNG System)
3. LWR (LASER WNG Rx)
4. CMDS (Counter Measure Dispensing System)
5. DIRCM (Direct Infrared Counter Measures)

Question 4

RWR (Radar warning Rx) components?

Answer 4

a. Front end
b. Sorting
c. Identification
d. Display/Ctrl

Question 5

MAWS (Missile approach warning system) components?

Answer 5

a. DETECT all missiles
b. TRACK MULTIPLE simultaneous
c. Low FALSE ALARM rate
d. Quick REACTION TIME
e. Easy to INTEGRATE

Question 6

MAWS Classes?

Answer 6

Active or Passive. (Passive is the best)

Question 7

Name 4 Sources of LASER Energy

Answer 7

1. Direct beam (right at you)
2. Splash (shine it off a reflective surface)
3. Aerosol scatter (off dust/clouds, etc)
4. Port scatter (you can still see it even if it’s not shining at you)

Question 8

What are the DIRCM Components?

Answer 8

• Detector system

* Turret cued to track missile

Question 9

The key of CMDS (Countermeasure Dispensing System) operation is its integration with other DEWS components. Most CMDS have 3 modes of operation..what are they?

Answer 9

• Automatic
• Semi-automatic
• Manual