What are the sensors used in combination with a raster mode HUD?

A)
GPS
B)
LIDAR
C)
Microwave radar
D)
Radar and FLIR (Forward Looking InfraRed)

Correct Answer :   Radar and FLIR (Forward Looking InfraRed)

Explanation : In the raster mode HUD a video image of the outside world (generated from the FLIR sensors mounted in the aircraft) and the synthetic image of the outside world (generated from radar sensor) are combined to produce an enhanced vision system. The advantages of these enhanced vision system are that it enables the pilot to fly and land the aircraft in very low visibility conditions and in airports without ILS or MLS or for night flying.

Recently Updated in Avionics Questions
Only the pilot of a particular aircraft can use its DVI control system?
A)
True
B)
False
C)
Can Not Say
D)
None of the above

Correct Answer : Option (B) :   False

Explanation : The DVI control system is a universal system which can recognize the voice of anyone if spoken clearly. This is done for maintenance purposes and for an emergency.

The DVI control system need not be super sensitive to the voice of the pilot.
A)
True
B)
False
C)
Can Not Say
D)
None of the above

Correct Answer : Option (B) :   False

Explanation : The DVI control system must be super sensitive to the voice of the pilot so that it can be operated in cockpit noise environment. In a fast jet combat aircraft, the background noise levels can be very high.

What are isolated word recognizers?
A)
System that is not fully voice commanded
B)
Systems that can recognize anyone’s voice
C)
Systems that require a pause between each word to recognize
D)
Systems that only accept one-word command

Correct Answer : Option (C) :   Systems that require a pause between each word to recognize

Explanation : An isolated word recognizer requires pauses between each word said as it cannot recognize fully connected speech. The DVI control in an aircraft must not be an isolated voice recognizer to ensure smooth man-machine interface.

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