1. PHOBOS-R (QR020) 2-18GHz Threat Warner
07Aug 2009

2. Contents Candidate Applications Functional/Non-Functional Performance
System Architecture
Hardware (UAV/Vehicle, Mast Mount/Remote)
Example Operational Contexts
Signal Conditioning
Threat Processing
Handheld Display
Full ESM MMI
Operational Support
07Aug 2009

3. Candidate Applications
Unmanned Aerial Vehicles
Armoured Fighting Vehicles
Reconnaissance Vehicles
Fast Patrol Boats
Light Utility Aircraft (FW & RW)
Man portable and deployable
Remote Installations
07Aug 2009

4. Functional Performance
Parameter
Performance
Frequency range
2-18GHz ( options down to 500MHz, up to 20GHz)
Frequency Accuracy
Better than 15MHz ( option down to 4.5MHz )
POI
100% in frequency, 360o FOV (switched, option inst.)
Sensitivity
-57dBm typ (tgt -60dBm) at Antenna output
Bearing Accuracy
10 deg rms typ
Time to Alert
Less than 1 sec
Pulse Density
Better than 1M pulses/sec
Minimum Pulse width
<75ns
Network Capable
Yes
Operator workload
Minimal operator workload
07Aug 2009

5. Non-Functional Performance
Parameter
Performance
Size
Less than 1.25 litres (exc Antennas and MMI Display)
Weight
1.5kg (exc Antennas and MMI Display)
Power
24W, 9-36VDC – suitable for solar power operation
MMI Display
Ruggedised PDA, Toughbook, Customer specific MMI
Altitude
60kft
Operating temperature
-20 to +85 degrees C
Ease of Installation
Minimal interconnections
07Aug 2009

6. System SWaP Comparison
System name
Op Freq
Sens
I Dyn Rng
Size (Ltrs)
Pwr cons (W)
Wt (kgs)
Finder Plus
(Aeronix)
2-18GHz *
>40dB
<98
<400
<53
WBR2000
(ArgonST)
-65dBm
60dB
<56
<350
<45
ELT/160
Elt SpA
E-J & K
Med
Simple
1ATR
15-20
SPS-65-V5
ELISRA
0.5-18GHz 10
ALR-400
INDRA
0.5-42GHz
(4GHz IB)
200
10.2
ALR-67V3
Raytheon
<2-40GHz 18
109 35
ESP
Avitronics
1-18GHz
-55dBm
>60dB
8.4
140 16
CATS
Thales
E-J, opt K D and CD
-50dBm
50dB
10.3
144
Source: JED RWR Survey - Feb 2009
07Aug 2009

7. System Architecture
07Aug 2009

8. System Hardware Suitable for where Antennas are platform mounted.
Display unit can be handheld (as shown) or full ESM MMI on Laptop (see later)
07Aug 2009

9. System Hardware (Mast Mount/Remote)
Mast-Top unit contains all except display unit – suitable for mast-top & remote site operations
07Aug 2009

10. Example Operational Context (1)
System hardware and display mounted in vehicle
07Aug 2009

11. Example Operational Context (2)
System hardware mounted in vehicle – Display carried by foot patrol
07Aug 2009

12. Example Operational Context (3)
System hardware mounted in UAV – Data relayed via UAV control centre. Display carried by foot patrol
07Aug 2009

13. Signal Conditioning - RR017
4 RF ports into two simultaneous Video/RF channels ( option for 360 degree instantaneous FOV )
Rejection of out-of-band signals
Switched attenuation (for large signals)
Dual DLVA
Automatic (in-pulse) selection of IFM signal
Automatic PDW Generation
Detection & Declaration of CW signals
07Aug 2009

14. RR017 4 Port – 2 Channel Wideband Rx
07Aug 2009

15. Threat Processing Waveform Based Processing Algorithm
High pulse density (>1 million pulses per second)
Fast reaction time (typically < 1 second)
Ability to cue fast set on ECM capability
Insensitive to receiver/digitiser colouration
5000 threat mode library (expandable)
500 entry track table (expandable)
07Aug 2009

16. Handheld Display PDA-based unit (incl WiFi & quad band GSM)
No operator intervention
Audio and visual alarm
Display centred around sensor location
Up to 30 threats displayed (expandable)
Also displays own lat/long (via internal GPS)
MIL STD 2525 Symbology (can host User Defined set)
Application portable to other host processors
07Aug 2009

17. Full ESM MMI For use by EW Analysts Full Tactical Displays
Map/Imagery
Polar
Graphical
500 entry Track Table with parametric details
Supports display of platform/weapon data
MIL STD 2525 Symbology (can host User Defined set)
Application can be hosted on existing user IT systems
07Aug 2009

18. Operational Support
Library Generation tool can be integrated with national source databases
Library entries can also be generated locally from own sensor PDW collection or from PDW data collected by other sensors
Note:1 x system may also be required at Op Support unit for Library validation
07Aug 2009