Lists

Question 1

List what the MTU does and what that provides

Answer 1

P.R.F
Max range
Mean power
Display definition
AE scan

Question 2

What does pulse width provide

Answer 2

Minimum range
Rx bandwidth
Mean power
Target discrimination

Question 3

What does the magnetron (HPO) provide

Answer 3

Carrier frequency
Size of target
Beams shapes and scan patterns
Detection range
Beam width

Question 4

What does the T/R switch do

Answer 4

Switches between TX and RX and isolates transmitter power from the reciever

Question 5

Types of aerial

Answer 5

Parabolic
Planar/slot array
Active array

Question 6

A pulse forming network produces a pulse which is:

Answer 6

Steep sided
Rectangular, well shaped, steep sided
Precise in width- 2n/lc

Question 7

Why is SAR better compared to conventional photography

Answer 7

Not affected by weather
Operational day or night
Maps are in plan view

Question 8

What can ISAR provide

Answer 8

Provides high res 2D images
Can identify between aircraft missiles and ships easily
Best used in maritime patrol as wave motion helps build up an imagw

Question 9

3 main characteristics of a superhetrodyne receiver

Answer 9

Low noise factor
Very high bandwidth
Very high gain

Question 10

What type of tuning does the IF amp use to preserve pulse shape

Answer 10

Stagger-tuning

Question 11

3 methods of reducing clutter in a superheterodyne receiver

Answer 11

FTC
STC
Logarithmic IF amp

Question 12

2 methods of reducing noise in a radar receiver

Answer 12

Adaptive noise

Matched filter

Question 13

Types of change in ftc

Answer 13

Major

Little

Question 14

What does a logarithmic amp do

Answer 14

Small signals- max gain

Large signals- min. Gain

Question 15

Apart from the FAMOPA what else produces a agile frequency

Answer 15

Spin disk magnetron

Question 16

4 advantages of using a frequency agile radar

Answer 16

Less clutter
Avoids interference
Scintillated and correlated
Detection range

Question 17

3 types of radar that use monopulse technique

Answer 17

Terrain following
Ground mapping
Airborne intercept

Question 18

When two beam monopulse radar has a target in the centre of the two beams what three items of information are provided

Answer 18

Slantrange
Azimuth
Elevation

Question 19

How does a track while scan work

Answer 19

1,2 and 4 bar pattern repetitive scan

Question 20

What is the purpose of the RDP

Answer 20

Controls radar function
Controls antenna position
Acts as a central computer

Question 21

4 advantages of using a modern pulse doppler radar system

Answer 21

Range
Bearing
Velocity
Reduces velocity ambiguity

Question 22

State the emergency codes

Answer 22

7700= emergencies
7600= radio failure
7500= hijacking

Question 23

3 advantages of IR thermal imaging systems

Answer 23

Can be used day or night
Cannot easily be deceived by camouflage
Not detectable when on

Question 24

5 nav parameters provided by the INS to RAPTOR

Answer 24

Aircraft pitch and roll
True heading
Velocities
Aircraft height
Terrain height

Question 25

Purpose of the RAPTOR

Answer 25

To produce clear imaging using long range oblique photography

Question 26

The purpose of litening 3 pod

Answer 26

Provide clear imagery day or night and to laser designate and target

Question 27

3 types of tracking with litening pod

Answer 27

Electro optical
Inertial
Manual

Question 28

Rwr can detect

Answer 28

Bearing
Signal strength
Signal characteristic
Frequency band

Question 29

2 examples of non electric ecm techniques

Answer 29

Chaff

Stealth

Question 30

4 types of noise jamming

Answer 30

Spot jamming
Sweep jamming
Barrage jamming
Multi purpose jamming

Question 31

4 types of deception jamming

Answer 31

False target generation
Angle of deception
Range gate stealing
Noise modulated deception