Lists Flashcards
List what the MTU does and what that provides
P.R.F Max range Mean power Display definition AE scan
What does pulse width provide
Minimum range
Rx bandwidth
Mean power
Target discrimination
What does the magnetron (HPO) provide
Carrier frequency Size of target Beams shapes and scan patterns Detection range Beam width
What does the T/R switch do
Switches between TX and RX and isolates transmitter power from the reciever
Types of aerial
Parabolic
Planar/slot array
Active array
A pulse forming network produces a pulse which is:
Steep sided
Rectangular, well shaped, steep sided
Precise in width- 2n/lc
Why is SAR better compared to conventional photography
Not affected by weather
Operational day or night
Maps are in plan view
What can ISAR provide
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
3 main characteristics of a superhetrodyne receiver
Low noise factor
Very high bandwidth
Very high gain
What type of tuning does the IF amp use to preserve pulse shape
Stagger-tuning
3 methods of reducing clutter in a superheterodyne receiver
FTC
STC
Logarithmic IF amp
2 methods of reducing noise in a radar receiver
Adaptive noise
Matched filter
Types of change in ftc
Major
Little
What does a logarithmic amp do
Small signals- max gain
Large signals- min. Gain
Apart from the FAMOPA what else produces a agile frequency
Spin disk magnetron
4 advantages of using a frequency agile radar
Less clutter
Avoids interference
Scintillated and correlated
Detection range
3 types of radar that use monopulse technique
Terrain following
Ground mapping
Airborne intercept
When two beam monopulse radar has a target in the centre of the two beams what three items of information are provided
Slantrange
Azimuth
Elevation
How does a track while scan work
1,2 and 4 bar pattern repetitive scan
What is the purpose of the RDP
Controls radar function
Controls antenna position
Acts as a central computer
4 advantages of using a modern pulse doppler radar system
Range
Bearing
Velocity
Reduces velocity ambiguity
State the emergency codes
7700= emergencies 7600= radio failure 7500= hijacking
3 advantages of IR thermal imaging systems
Can be used day or night
Cannot easily be deceived by camouflage
Not detectable when on
5 nav parameters provided by the INS to RAPTOR
Aircraft pitch and roll True heading Velocities Aircraft height Terrain height
Purpose of the RAPTOR
To produce clear imaging using long range oblique photography
The purpose of litening 3 pod
Provide clear imagery day or night and to laser designate and target
3 types of tracking with litening pod
Electro optical
Inertial
Manual
Rwr can detect
Bearing
Signal strength
Signal characteristic
Frequency band
2 examples of non electric ecm techniques
Chaff
Stealth
4 types of noise jamming
Spot jamming
Sweep jamming
Barrage jamming
Multi purpose jamming
4 types of deception jamming
False target generation
Angle of deception
Range gate stealing
Noise modulated deception
