אפקה - המכללה האקדמית להנדסה בתל אביב | תערוכת פרויקטי גמר 2014 - קטלוג פרויקטים - page 245

Student name:
Eng. BaruchArbiv
Eng. Rey Zeeman
Eng. Alex Shnaidman
Department:
SystemsEngineering (M.Sc.)
Advisor name:
Dr. Shmuel Shelef
2014
--
4
OverWater Lookout SystemForCombatDiver
SystemDesign&Feasibility (Examples):
Criteria Number of coupled lines
Detection
1
Recognition
4
Identification
6.4
pxl
pixel
17µm 640x480
D
Lens diameter
100mm
Imaging
Communication
• Receiver sensitivity -113.5 (dBm)
• Path loss according the environment
condition
20dB for seawater close to the
water surface
10dB for the local shadowing
According to the fadingmargins 99%of
success is 20dB
-61-20-10-20=-111>-113
5km transmitting
distance is achievable
Using TETRA systemMTS2/4 &TOM100
Overwaterobservationunit
• Sealing - using ahigh pressure "window" with double flat rubber
(EPDM) sealing (flange and bolt connection).
• Hydrodynamic design
• Cabling (harness &mast)
Hollow telescopic mast
Expandable cable
IPX-8 sealing grommet
NAVYSEALS
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